./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.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 fa9ec5014a93fa4ada80c2707ca9ad7bdd1ffda04a5a3c96f283fdf229b22b41 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 12:39:21,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:39:21,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:39:21,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:39:21,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:39:21,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:39:21,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:39:21,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:39:21,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:39:21,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:39:21,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:39:21,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:39:21,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:39:21,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:39:21,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:39:21,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:39:21,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:39:21,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:39:21,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:39:21,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:39:21,054 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:39:21,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:39:21,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:39:21,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:39:21,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:39:21,062 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:39:21,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:39:21,063 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:39:21,064 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:39:21,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:39:21,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:39:21,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:39:21,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:39:21,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:39:21,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:39:21,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:39:21,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:39:21,069 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:39:21,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:39:21,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:39:21,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:39:21,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:39:21,072 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:39:21,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:39:21,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:39:21,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:39:21,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:39:21,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:39:21,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:39:21,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:39:21,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:39:21,101 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:39:21,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:39:21,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:39:21,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:39:21,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:39:21,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:39:21,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:39:21,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:39:21,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:39:21,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:39:21,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:39:21,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:39:21,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:39:21,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:39:21,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:39:21,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:39:21,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:39:21,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:39:21,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:39:21,105 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:39:21,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:39:21,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:39:21,105 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa9ec5014a93fa4ada80c2707ca9ad7bdd1ffda04a5a3c96f283fdf229b22b41 [2022-07-12 12:39:21,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:39:21,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:39:21,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:39:21,325 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:39:21,326 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:39:21,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2022-07-12 12:39:21,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9089830ed/87b79d15375d43dbb4b059b344f9b750/FLAG706fa5e02 [2022-07-12 12:39:22,038 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:39:22,039 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2022-07-12 12:39:22,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9089830ed/87b79d15375d43dbb4b059b344f9b750/FLAG706fa5e02 [2022-07-12 12:39:22,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9089830ed/87b79d15375d43dbb4b059b344f9b750 [2022-07-12 12:39:22,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:39:22,399 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:39:22,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:39:22,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:39:22,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:39:22,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:39:22" (1/1) ... [2022-07-12 12:39:22,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd0ad8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:22, skipping insertion in model container [2022-07-12 12:39:22,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:39:22" (1/1) ... [2022-07-12 12:39:22,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:39:22,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:39:23,671 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i[223336,223349] [2022-07-12 12:39:25,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:39:25,204 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:39:25,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i[223336,223349] [2022-07-12 12:39:25,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:39:25,641 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:39:25,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:25 WrapperNode [2022-07-12 12:39:25,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:39:25,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:39:25,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:39:25,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:39:25,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:25" (1/1) ... [2022-07-12 12:39:25,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:25" (1/1) ... [2022-07-12 12:39:25,985 INFO L137 Inliner]: procedures = 418, calls = 3842, calls flagged for inlining = 181, calls inlined = 158, statements flattened = 7974 [2022-07-12 12:39:25,987 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:39:25,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:39:25,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:39:25,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:39:25,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:25" (1/1) ... [2022-07-12 12:39:25,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:25" (1/1) ... [2022-07-12 12:39:26,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:25" (1/1) ... [2022-07-12 12:39:26,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:25" (1/1) ... [2022-07-12 12:39:26,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:25" (1/1) ... [2022-07-12 12:39:26,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:25" (1/1) ... [2022-07-12 12:39:26,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:25" (1/1) ... [2022-07-12 12:39:26,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:39:26,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:39:26,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:39:26,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:39:26,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:25" (1/1) ... [2022-07-12 12:39:26,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:39:26,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:39:26,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 12:39:26,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 12:39:26,444 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-12 12:39:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-12 12:39:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-12 12:39:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-12 12:39:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-12 12:39:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-12 12:39:26,445 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 12:39:26,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 12:39:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_rts_threshold [2022-07-12 12:39:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_rts_threshold [2022-07-12 12:39:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-12 12:39:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-12 12:39:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:39:26,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:39:26,446 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_interface [2022-07-12 12:39:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_interface [2022-07-12 12:39:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-12 12:39:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-12 12:39:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-12 12:39:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-12 12:39:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-12 12:39:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-12 12:39:26,447 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 12:39:26,447 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 12:39:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-12 12:39:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-12 12:39:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 12:39:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 12:39:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_prepare_multicast [2022-07-12 12:39:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_prepare_multicast [2022-07-12 12:39:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-12 12:39:26,448 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-12 12:39:26,448 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-12 12:39:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-12 12:39:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 12:39:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-12 12:39:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-12 12:39:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-12 12:39:26,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-12 12:39:26,449 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-12 12:39:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-12 12:39:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-12 12:39:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-12 12:39:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-12 12:39:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-12 12:39:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-12 12:39:26,450 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_stats [2022-07-12 12:39:26,450 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_stats [2022-07-12 12:39:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 12:39:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 12:39:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:39:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 12:39:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 12:39:26,451 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 12:39:26,451 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 12:39:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_configure_filter [2022-07-12 12:39:26,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_configure_filter [2022-07-12 12:39:26,452 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-12 12:39:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-12 12:39:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-12 12:39:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-12 12:39:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-12 12:39:26,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-12 12:39:26,453 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 12:39:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 12:39:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 12:39:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 12:39:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 12:39:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 12:39:26,454 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 12:39:26,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 12:39:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-12 12:39:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-12 12:39:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 12:39:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 12:39:26,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 12:39:26,455 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-07-12 12:39:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-07-12 12:39:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-12 12:39:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-12 12:39:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-12 12:39:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-12 12:39:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:39:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:39:26,456 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-12 12:39:26,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-12 12:39:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx [2022-07-12 12:39:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx [2022-07-12 12:39:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-12 12:39:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-12 12:39:26,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-12 12:39:26,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-12 12:39:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_start [2022-07-12 12:39:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_start [2022-07-12 12:39:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 12:39:26,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 12:39:26,458 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 12:39:26,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 12:39:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-12 12:39:26,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-12 12:39:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-12 12:39:26,459 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-12 12:39:26,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-12 12:39:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-12 12:39:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-12 12:39:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-12 12:39:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-12 12:39:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:39:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_survey [2022-07-12 12:39:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_survey [2022-07-12 12:39:26,460 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-12 12:39:26,460 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-12 12:39:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:39:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-12 12:39:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-12 12:39:26,461 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 12:39:26,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 12:39:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:39:26,462 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 12:39:26,463 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-12 12:39:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-12 12:39:26,464 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-12 12:39:26,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-12 12:39:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-12 12:39:26,465 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-12 12:39:26,465 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-12 12:39:26,466 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-12 12:39:26,466 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-12 12:39:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-12 12:39:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 12:39:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 12:39:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-12 12:39:26,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-12 12:39:26,469 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-12 12:39:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-12 12:39:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:39:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:39:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-12 12:39:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-12 12:39:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 12:39:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 12:39:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 12:39:26,470 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 12:39:26,470 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-12 12:39:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-12 12:39:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-12 12:39:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-12 12:39:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:39:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:39:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-12 12:39:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-12 12:39:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 12:39:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 12:39:26,471 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-12 12:39:26,471 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-12 12:39:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_interrupt [2022-07-12 12:39:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_interrupt [2022-07-12 12:39:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 12:39:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 12:39:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 12:39:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 12:39:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-12 12:39:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-12 12:39:26,472 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-12 12:39:26,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-12 12:39:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-12 12:39:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-12 12:39:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-12 12:39:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-12 12:39:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-12 12:39:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-12 12:39:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-12 12:39:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-12 12:39:26,473 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-12 12:39:26,473 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-12 12:39:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-12 12:39:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-12 12:39:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 12:39:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 12:39:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-12 12:39:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-12 12:39:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-12 12:39:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-12 12:39:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:39:26,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:39:26,474 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 12:39:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 12:39:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-12 12:39:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-12 12:39:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-12 12:39:26,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-12 12:39:26,475 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 12:39:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 12:39:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-12 12:39:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-12 12:39:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 12:39:26,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 12:39:26,476 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-07-12 12:39:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-07-12 12:39:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-12 12:39:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-12 12:39:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bbp_reg_access [2022-07-12 12:39:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bbp_reg_access [2022-07-12 12:39:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-12 12:39:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-12 12:39:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-12 12:39:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-12 12:39:26,477 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-12 12:39:26,477 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-12 12:39:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-12 12:39:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-12 12:39:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-12 12:39:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-12 12:39:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 12:39:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 12:39:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:39:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-12 12:39:26,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-12 12:39:26,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:39:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-12 12:39:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-12 12:39:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-12 12:39:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-12 12:39:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_bss_info_changed [2022-07-12 12:39:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_bss_info_changed [2022-07-12 12:39:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-12 12:39:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-12 12:39:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_complete [2022-07-12 12:39:26,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_complete [2022-07-12 12:39:26,479 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-12 12:39:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-12 12:39:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-12 12:39:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-12 12:39:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-12 12:39:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-12 12:39:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:39:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 12:39:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 12:39:26,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-12 12:39:26,480 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-12 12:39:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-12 12:39:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-12 12:39:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-12 12:39:26,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-12 12:39:26,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 12:39:26,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 12:39:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-12 12:39:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-12 12:39:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-12 12:39:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-12 12:39:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-12 12:39:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-12 12:39:26,484 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-12 12:39:26,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-12 12:39:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-12 12:39:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-12 12:39:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-12 12:39:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-12 12:39:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-12 12:39:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-12 12:39:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-12 12:39:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-12 12:39:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-12 12:39:26,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-12 12:39:26,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-12 12:39:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-12 12:39:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_remove [2022-07-12 12:39:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_remove [2022-07-12 12:39:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-12 12:39:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-12 12:39:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-12 12:39:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-12 12:39:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-12 12:39:26,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-12 12:39:26,486 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-12 12:39:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-12 12:39:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:39:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:39:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-12 12:39:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-12 12:39:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 12:39:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-12 12:39:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-12 12:39:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:39:26,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:39:26,487 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-12 12:39:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-12 12:39:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-12 12:39:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-12 12:39:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-12 12:39:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-12 12:39:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 12:39:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 12:39:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_add [2022-07-12 12:39:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_add [2022-07-12 12:39:26,488 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-12 12:39:26,488 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-12 12:39:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-12 12:39:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-12 12:39:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-12 12:39:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-12 12:39:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_interface [2022-07-12 12:39:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_interface [2022-07-12 12:39:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-12 12:39:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-12 12:39:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-12 12:39:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-12 12:39:26,489 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-12 12:39:26,489 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-12 12:39:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_ampdu_action [2022-07-12 12:39:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_ampdu_action [2022-07-12 12:39:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-12 12:39:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-12 12:39:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-12 12:39:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-12 12:39:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 12:39:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 12:39:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 12:39:26,490 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 12:39:26,490 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-12 12:39:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-12 12:39:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-12 12:39:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-12 12:39:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 12:39:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 12:39:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-12 12:39:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-12 12:39:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-12 12:39:26,491 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-12 12:39:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 12:39:26,491 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-12 12:39:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-12 12:39:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-12 12:39:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-12 12:39:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-12 12:39:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-12 12:39:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-12 12:39:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-12 12:39:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-12 12:39:26,492 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-12 12:39:26,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-12 12:39:27,321 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:39:27,324 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:39:31,104 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 12:39:38,638 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:39:38,665 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:39:38,665 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-12 12:39:38,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:39:38 BoogieIcfgContainer [2022-07-12 12:39:38,670 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:39:38,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:39:38,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:39:38,675 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:39:38,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:39:22" (1/3) ... [2022-07-12 12:39:38,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ea40d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:39:38, skipping insertion in model container [2022-07-12 12:39:38,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:39:25" (2/3) ... [2022-07-12 12:39:38,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73ea40d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:39:38, skipping insertion in model container [2022-07-12 12:39:38,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:39:38" (3/3) ... [2022-07-12 12:39:38,677 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--mwl8k.ko-entry_point.cil.out.i [2022-07-12 12:39:38,686 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:39:38,687 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:39:38,781 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:39:38,788 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@378fb117, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@29705aab [2022-07-12 12:39:38,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:39:38,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 3112 states, 2229 states have (on average 1.4028712427097354) internal successors, (3127), 2299 states have internal predecessors, (3127), 722 states have call successors, (722), 160 states have call predecessors, (722), 159 states have return successors, (712), 702 states have call predecessors, (712), 712 states have call successors, (712) [2022-07-12 12:39:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-12 12:39:38,830 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:39:38,831 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:39:38,832 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:39:38,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:39:38,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1222092844, now seen corresponding path program 1 times [2022-07-12 12:39:38,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:39:38,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571361087] [2022-07-12 12:39:38,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:39:38,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:39:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:39:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:39:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:39:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:39:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:39:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:39:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:39:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:39:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:39:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 12:39:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 12:39:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 12:39:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 12:39:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 12:39:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 12:39:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 12:39:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 12:39:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 12:39:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 12:39:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 12:39:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 12:39:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 12:39:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 12:39:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 12:39:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 12:39:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 12:39:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 12:39:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 12:39:39,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 12:39:39,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 12:39:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:39:39,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2022-07-12 12:39:39,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:39:39,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571361087] [2022-07-12 12:39:39,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571361087] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:39:39,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:39:39,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 12:39:39,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294309330] [2022-07-12 12:39:39,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:39:39,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 12:39:39,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:39:39,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 12:39:39,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 12:39:39,894 INFO L87 Difference]: Start difference. First operand has 3112 states, 2229 states have (on average 1.4028712427097354) internal successors, (3127), 2299 states have internal predecessors, (3127), 722 states have call successors, (722), 160 states have call predecessors, (722), 159 states have return successors, (712), 702 states have call predecessors, (712), 712 states have call successors, (712) Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-12 12:39:43,149 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:45,178 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:48,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:50,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:56,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:39:58,443 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:02,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:04,478 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 [] [2022-07-12 12:40:12,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:12,503 INFO L93 Difference]: Finished difference Result 11098 states and 17441 transitions. [2022-07-12 12:40:12,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 12:40:12,506 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 199 [2022-07-12 12:40:12,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:12,566 INFO L225 Difference]: With dead ends: 11098 [2022-07-12 12:40:12,567 INFO L226 Difference]: Without dead ends: 7931 [2022-07-12 12:40:12,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-12 12:40:12,595 INFO L413 NwaCegarLoop]: 4876 mSDtfsCounter, 10535 mSDsluCounter, 6759 mSDsCounter, 0 mSdLazyCounter, 6706 mSolverCounterSat, 5074 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11060 SdHoareTripleChecker+Valid, 11635 SdHoareTripleChecker+Invalid, 11788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5074 IncrementalHoareTripleChecker+Valid, 6706 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:12,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11060 Valid, 11635 Invalid, 11788 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5074 Valid, 6706 Invalid, 8 Unknown, 0 Unchecked, 31.7s Time] [2022-07-12 12:40:12,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7931 states. [2022-07-12 12:40:12,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7931 to 6079. [2022-07-12 12:40:12,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6079 states, 4373 states have (on average 1.3764006402927051) internal successors, (6019), 4489 states have internal predecessors, (6019), 1389 states have call successors, (1389), 317 states have call predecessors, (1389), 316 states have return successors, (1388), 1368 states have call predecessors, (1388), 1388 states have call successors, (1388) [2022-07-12 12:40:12,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6079 states to 6079 states and 8796 transitions. [2022-07-12 12:40:12,970 INFO L78 Accepts]: Start accepts. Automaton has 6079 states and 8796 transitions. Word has length 199 [2022-07-12 12:40:12,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:12,971 INFO L495 AbstractCegarLoop]: Abstraction has 6079 states and 8796 transitions. [2022-07-12 12:40:12,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 3 states have internal predecessors, (54), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-12 12:40:12,972 INFO L276 IsEmpty]: Start isEmpty. Operand 6079 states and 8796 transitions. [2022-07-12 12:40:12,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-12 12:40:12,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:12,977 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:12,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 12:40:12,977 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:12,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:12,978 INFO L85 PathProgramCache]: Analyzing trace with hash -609395325, now seen corresponding path program 1 times [2022-07-12 12:40:12,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:40:12,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426158381] [2022-07-12 12:40:12,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:12,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:40:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:40:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:40:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:40:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:40:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:40:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:40:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:40:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:40:13,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 12:40:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 12:40:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 12:40:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 12:40:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 12:40:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 12:40:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 12:40:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 12:40:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 12:40:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 12:40:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 12:40:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 12:40:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 12:40:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 12:40:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 12:40:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 12:40:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 12:40:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 12:40:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 12:40:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 12:40:13,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 12:40:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2022-07-12 12:40:13,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:40:13,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426158381] [2022-07-12 12:40:13,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426158381] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:40:13,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:40:13,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:40:13,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284632684] [2022-07-12 12:40:13,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:40:13,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:40:13,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:40:13,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:40:13,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:40:13,472 INFO L87 Difference]: Start difference. First operand 6079 states and 8796 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-12 12:40:18,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:20,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:26,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:28,936 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 [] [2022-07-12 12:40:44,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:40:44,537 INFO L93 Difference]: Finished difference Result 21802 states and 32826 transitions. [2022-07-12 12:40:44,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 12:40:44,548 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 202 [2022-07-12 12:40:44,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:40:44,662 INFO L225 Difference]: With dead ends: 21802 [2022-07-12 12:40:44,662 INFO L226 Difference]: Without dead ends: 15782 [2022-07-12 12:40:44,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:40:44,701 INFO L413 NwaCegarLoop]: 4842 mSDtfsCounter, 10539 mSDsluCounter, 13155 mSDsCounter, 0 mSdLazyCounter, 11705 mSolverCounterSat, 5105 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11085 SdHoareTripleChecker+Valid, 17997 SdHoareTripleChecker+Invalid, 16814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5105 IncrementalHoareTripleChecker+Valid, 11705 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:40:44,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11085 Valid, 17997 Invalid, 16814 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5105 Valid, 11705 Invalid, 4 Unknown, 0 Unchecked, 30.1s Time] [2022-07-12 12:40:44,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15782 states. [2022-07-12 12:40:45,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15782 to 12136. [2022-07-12 12:40:45,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12136 states, 8744 states have (on average 1.377516010978957) internal successors, (12045), 8984 states have internal predecessors, (12045), 2749 states have call successors, (2749), 633 states have call predecessors, (2749), 642 states have return successors, (2818), 2710 states have call predecessors, (2818), 2748 states have call successors, (2818) [2022-07-12 12:40:45,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12136 states to 12136 states and 17612 transitions. [2022-07-12 12:40:45,311 INFO L78 Accepts]: Start accepts. Automaton has 12136 states and 17612 transitions. Word has length 202 [2022-07-12 12:40:45,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:40:45,317 INFO L495 AbstractCegarLoop]: Abstraction has 12136 states and 17612 transitions. [2022-07-12 12:40:45,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-12 12:40:45,318 INFO L276 IsEmpty]: Start isEmpty. Operand 12136 states and 17612 transitions. [2022-07-12 12:40:45,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-12 12:40:45,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:40:45,343 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:40:45,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 12:40:45,343 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:40:45,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:40:45,347 INFO L85 PathProgramCache]: Analyzing trace with hash 278568115, now seen corresponding path program 1 times [2022-07-12 12:40:45,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:40:45,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857284283] [2022-07-12 12:40:45,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:40:45,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:40:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:40:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:40:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:40:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:40:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:40:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:40:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:40:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:40:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:40:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 12:40:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 12:40:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 12:40:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 12:40:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 12:40:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 12:40:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 12:40:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 12:40:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 12:40:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 12:40:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 12:40:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 12:40:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 12:40:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 12:40:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 12:40:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 12:40:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 12:40:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 12:40:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 12:40:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 12:40:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 12:40:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-12 12:40:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:40:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:40:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:40:45,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2022-07-12 12:40:45,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:40:45,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857284283] [2022-07-12 12:40:45,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857284283] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:40:45,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:40:45,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:40:45,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4308080] [2022-07-12 12:40:45,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:40:45,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:40:45,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:40:45,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:40:45,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:40:45,914 INFO L87 Difference]: Start difference. First operand 12136 states and 17612 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-12 12:40:50,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:52,649 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:40:54,677 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:00,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:02,219 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:04,247 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 [] [2022-07-12 12:41:17,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:41:17,311 INFO L93 Difference]: Finished difference Result 32960 states and 48971 transitions. [2022-07-12 12:41:17,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 12:41:17,312 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 238 [2022-07-12 12:41:17,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:41:17,458 INFO L225 Difference]: With dead ends: 32960 [2022-07-12 12:41:17,458 INFO L226 Difference]: Without dead ends: 20888 [2022-07-12 12:41:17,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-07-12 12:41:17,515 INFO L413 NwaCegarLoop]: 4533 mSDtfsCounter, 7235 mSDsluCounter, 6252 mSDsCounter, 0 mSdLazyCounter, 9039 mSolverCounterSat, 4374 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7540 SdHoareTripleChecker+Valid, 10785 SdHoareTripleChecker+Invalid, 13419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4374 IncrementalHoareTripleChecker+Valid, 9039 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2022-07-12 12:41:17,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7540 Valid, 10785 Invalid, 13419 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4374 Valid, 9039 Invalid, 6 Unknown, 0 Unchecked, 30.4s Time] [2022-07-12 12:41:17,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20888 states. [2022-07-12 12:41:18,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20888 to 16214. [2022-07-12 12:41:18,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16214 states, 11708 states have (on average 1.3690638879398702) internal successors, (16029), 12048 states have internal predecessors, (16029), 3523 states have call successors, (3523), 923 states have call predecessors, (3523), 982 states have return successors, (3890), 3512 states have call predecessors, (3890), 3522 states have call successors, (3890) [2022-07-12 12:41:18,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16214 states to 16214 states and 23442 transitions. [2022-07-12 12:41:18,200 INFO L78 Accepts]: Start accepts. Automaton has 16214 states and 23442 transitions. Word has length 238 [2022-07-12 12:41:18,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:41:18,201 INFO L495 AbstractCegarLoop]: Abstraction has 16214 states and 23442 transitions. [2022-07-12 12:41:18,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (34), 5 states have call predecessors, (34), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-12 12:41:18,201 INFO L276 IsEmpty]: Start isEmpty. Operand 16214 states and 23442 transitions. [2022-07-12 12:41:18,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-12 12:41:18,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:41:18,370 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:41:18,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 12:41:18,371 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:41:18,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:41:18,373 INFO L85 PathProgramCache]: Analyzing trace with hash -273875912, now seen corresponding path program 1 times [2022-07-12 12:41:18,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:41:18,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205171254] [2022-07-12 12:41:18,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:41:18,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:41:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:41:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:41:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:41:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:41:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:41:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:41:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:41:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:41:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:41:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 12:41:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 12:41:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 12:41:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 12:41:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 12:41:18,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 12:41:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 12:41:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 12:41:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 12:41:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 12:41:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 12:41:18,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 12:41:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 12:41:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 12:41:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 12:41:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 12:41:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 12:41:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 12:41:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 12:41:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 12:41:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 12:41:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 12:41:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 12:41:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 12:41:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 12:41:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-12 12:41:18,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:41:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:41:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:41:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1488 trivial. 0 not checked. [2022-07-12 12:41:18,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:41:18,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205171254] [2022-07-12 12:41:18,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205171254] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:41:18,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:41:18,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:41:18,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074491435] [2022-07-12 12:41:18,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:41:18,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:41:18,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:41:18,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:41:18,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:41:18,943 INFO L87 Difference]: Start difference. First operand 16214 states and 23442 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 12:41:25,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:27,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:29,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:32,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:34,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:36,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:43,099 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:45,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:47,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:49,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:51,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:41:53,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:42:13,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:42:13,310 INFO L93 Difference]: Finished difference Result 53002 states and 78967 transitions. [2022-07-12 12:42:13,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 12:42:13,311 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 274 [2022-07-12 12:42:13,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:42:13,483 INFO L225 Difference]: With dead ends: 53002 [2022-07-12 12:42:13,483 INFO L226 Difference]: Without dead ends: 36852 [2022-07-12 12:42:13,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2022-07-12 12:42:13,547 INFO L413 NwaCegarLoop]: 6423 mSDtfsCounter, 11447 mSDsluCounter, 8126 mSDsCounter, 0 mSdLazyCounter, 12331 mSolverCounterSat, 5985 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12098 SdHoareTripleChecker+Valid, 14549 SdHoareTripleChecker+Invalid, 18328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5985 IncrementalHoareTripleChecker+Valid, 12331 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.7s IncrementalHoareTripleChecker+Time [2022-07-12 12:42:13,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12098 Valid, 14549 Invalid, 18328 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5985 Valid, 12331 Invalid, 12 Unknown, 0 Unchecked, 52.7s Time] [2022-07-12 12:42:13,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36852 states. [2022-07-12 12:42:14,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36852 to 28540. [2022-07-12 12:42:14,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28540 states, 20658 states have (on average 1.3689127698712362) internal successors, (28279), 21266 states have internal predecessors, (28279), 6213 states have call successors, (6213), 1555 states have call predecessors, (6213), 1668 states have return successors, (6905), 6190 states have call predecessors, (6905), 6212 states have call successors, (6905) [2022-07-12 12:42:15,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28540 states to 28540 states and 41397 transitions. [2022-07-12 12:42:15,076 INFO L78 Accepts]: Start accepts. Automaton has 28540 states and 41397 transitions. Word has length 274 [2022-07-12 12:42:15,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:42:15,077 INFO L495 AbstractCegarLoop]: Abstraction has 28540 states and 41397 transitions. [2022-07-12 12:42:15,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 12:42:15,077 INFO L276 IsEmpty]: Start isEmpty. Operand 28540 states and 41397 transitions. [2022-07-12 12:42:15,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-12 12:42:15,091 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:42:15,092 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:42:15,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 12:42:15,092 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:42:15,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:42:15,093 INFO L85 PathProgramCache]: Analyzing trace with hash -756085298, now seen corresponding path program 1 times [2022-07-12 12:42:15,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:42:15,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270527474] [2022-07-12 12:42:15,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:42:15,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:42:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:42:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:42:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:42:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:42:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:42:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:42:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:42:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:42:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:42:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 12:42:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 12:42:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 12:42:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 12:42:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 12:42:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 12:42:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 12:42:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 12:42:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 12:42:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 12:42:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 12:42:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 12:42:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 12:42:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 12:42:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 12:42:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 12:42:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 12:42:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 12:42:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 12:42:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 12:42:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 12:42:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 12:42:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 12:42:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 12:42:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 12:42:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-12 12:42:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:42:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:42:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2022-07-12 12:42:15,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:42:15,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270527474] [2022-07-12 12:42:15,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270527474] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:42:15,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:42:15,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 12:42:15,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32968917] [2022-07-12 12:42:15,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:42:15,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 12:42:15,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:42:15,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 12:42:15,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-12 12:42:15,711 INFO L87 Difference]: Start difference. First operand 28540 states and 41397 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) [2022-07-12 12:42:21,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:42:27,214 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:42:41,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:42:41,900 INFO L93 Difference]: Finished difference Result 51744 states and 77547 transitions. [2022-07-12 12:42:41,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 12:42:41,901 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) Word has length 274 [2022-07-12 12:42:41,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:42:42,061 INFO L225 Difference]: With dead ends: 51744 [2022-07-12 12:42:42,061 INFO L226 Difference]: Without dead ends: 36852 [2022-07-12 12:42:42,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-07-12 12:42:42,116 INFO L413 NwaCegarLoop]: 4337 mSDtfsCounter, 2058 mSDsluCounter, 6955 mSDsCounter, 0 mSdLazyCounter, 11013 mSolverCounterSat, 1111 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2239 SdHoareTripleChecker+Valid, 11292 SdHoareTripleChecker+Invalid, 12126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1111 IncrementalHoareTripleChecker+Valid, 11013 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2022-07-12 12:42:42,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2239 Valid, 11292 Invalid, 12126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1111 Valid, 11013 Invalid, 2 Unknown, 0 Unchecked, 24.8s Time] [2022-07-12 12:42:42,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36852 states. [2022-07-12 12:42:43,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36852 to 28552. [2022-07-12 12:42:43,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28552 states, 20670 states have (on average 1.3686985970004837) internal successors, (28291), 21278 states have internal predecessors, (28291), 6213 states have call successors, (6213), 1555 states have call predecessors, (6213), 1668 states have return successors, (6905), 6190 states have call predecessors, (6905), 6212 states have call successors, (6905) [2022-07-12 12:42:43,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28552 states to 28552 states and 41409 transitions. [2022-07-12 12:42:43,422 INFO L78 Accepts]: Start accepts. Automaton has 28552 states and 41409 transitions. Word has length 274 [2022-07-12 12:42:43,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:42:43,423 INFO L495 AbstractCegarLoop]: Abstraction has 28552 states and 41409 transitions. [2022-07-12 12:42:43,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (37), 2 states have call predecessors, (37), 1 states have call successors, (37) [2022-07-12 12:42:43,424 INFO L276 IsEmpty]: Start isEmpty. Operand 28552 states and 41409 transitions. [2022-07-12 12:42:43,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-12 12:42:43,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:42:43,438 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:42:43,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 12:42:43,438 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:42:43,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:42:43,439 INFO L85 PathProgramCache]: Analyzing trace with hash 229237389, now seen corresponding path program 1 times [2022-07-12 12:42:43,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:42:43,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992866715] [2022-07-12 12:42:43,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:42:43,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:42:43,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 12:42:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-12 12:42:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 12:42:43,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:42:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:42:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 12:42:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-12 12:42:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 12:42:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 12:42:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-12 12:42:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 12:42:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-12 12:42:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-12 12:42:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 12:42:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-12 12:42:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 12:42:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 12:42:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-12 12:42:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-12 12:42:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 12:42:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 12:42:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 12:42:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 12:42:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 12:42:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 12:42:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-12 12:42:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-12 12:42:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-12 12:42:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 12:42:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-12 12:42:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 12:42:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-12 12:42:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 12:42:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 12:42:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-12 12:42:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 12:42:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:42:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:42:44,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2022-07-12 12:42:44,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:42:44,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992866715] [2022-07-12 12:42:44,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992866715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:42:44,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:42:44,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 12:42:44,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449464283] [2022-07-12 12:42:44,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:42:44,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 12:42:44,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:42:44,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 12:42:44,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-12 12:42:44,255 INFO L87 Difference]: Start difference. First operand 28552 states and 41409 transitions. Second operand has 11 states, 11 states have (on average 9.363636363636363) internal successors, (103), 7 states have internal predecessors, (103), 4 states have call successors, (38), 5 states have call predecessors, (38), 2 states have return successors, (37), 4 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-12 12:42:50,983 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:42:53,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:42:55,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:42:57,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:42:59,097 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:43:05,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:43:07,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:43:09,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:43:11,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:43:13,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:43:30,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:43:32,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:43:34,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:43:36,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:43:38,736 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:43:40,785 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 []