./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 eb692b52 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-?-eb692b5 [2022-07-19 23:41:23,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:41:23,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:41:23,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:41:23,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:41:23,998 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:41:24,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:41:24,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:41:24,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:41:24,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:41:24,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:41:24,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:41:24,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:41:24,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:41:24,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:41:24,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:41:24,018 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:41:24,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:41:24,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:41:24,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:41:24,025 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:41:24,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:41:24,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:41:24,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:41:24,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:41:24,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:41:24,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:41:24,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:41:24,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:41:24,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:41:24,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:41:24,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:41:24,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:41:24,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:41:24,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:41:24,041 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:41:24,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:41:24,042 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:41:24,042 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:41:24,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:41:24,043 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:41:24,044 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:41:24,045 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:41:24,077 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:41:24,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:41:24,077 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:41:24,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:41:24,078 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:41:24,078 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:41:24,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:41:24,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:41:24,079 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:41:24,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:41:24,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:41:24,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:41:24,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:41:24,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:41:24,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:41:24,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:41:24,081 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:41:24,081 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:41:24,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:41:24,081 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:41:24,082 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:41:24,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:41:24,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:41:24,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:41:24,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:41:24,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:41:24,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:41:24,083 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:41:24,083 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:41:24,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:41:24,083 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa9ec5014a93fa4ada80c2707ca9ad7bdd1ffda04a5a3c96f283fdf229b22b41 [2022-07-19 23:41:24,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:41:24,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:41:24,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:41:24,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:41:24,352 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:41:24,354 INFO L432 ainManager$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 [2022-07-19 23:41:24,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95659e0a5/6fcdb63816464108a7483dffd7575274/FLAG57ba7adac [2022-07-19 23:41:25,050 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:41:25,051 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 [2022-07-19 23:41:25,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95659e0a5/6fcdb63816464108a7483dffd7575274/FLAG57ba7adac [2022-07-19 23:41:25,151 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95659e0a5/6fcdb63816464108a7483dffd7575274 [2022-07-19 23:41:25,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:41:25,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:41:25,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:41:25,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:41:25,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:41:25,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:41:25" (1/1) ... [2022-07-19 23:41:25,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da5e7a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:25, skipping insertion in model container [2022-07-19 23:41:25,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:41:25" (1/1) ... [2022-07-19 23:41:25,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:41:25,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:41:26,497 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] [2022-07-19 23:41:28,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:41:28,049 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:41:28,187 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] [2022-07-19 23:41:28,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:41:28,502 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:41:28,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:28 WrapperNode [2022-07-19 23:41:28,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:41:28,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:41:28,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:41:28,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:41:28,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:28" (1/1) ... [2022-07-19 23:41:28,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:28" (1/1) ... [2022-07-19 23:41:28,783 INFO L137 Inliner]: procedures = 418, calls = 3842, calls flagged for inlining = 181, calls inlined = 158, statements flattened = 7974 [2022-07-19 23:41:28,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:41:28,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:41:28,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:41:28,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:41:28,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:28" (1/1) ... [2022-07-19 23:41:28,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:28" (1/1) ... [2022-07-19 23:41:28,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:28" (1/1) ... [2022-07-19 23:41:28,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:28" (1/1) ... [2022-07-19 23:41:29,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:28" (1/1) ... [2022-07-19 23:41:29,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:28" (1/1) ... [2022-07-19 23:41:29,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:28" (1/1) ... [2022-07-19 23:41:29,176 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:41:29,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:41:29,177 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:41:29,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:41:29,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:28" (1/1) ... [2022-07-19 23:41:29,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:41:29,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:41:29,208 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) [2022-07-19 23:41:29,230 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 [2022-07-19 23:41:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_disable [2022-07-19 23:41:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_disable [2022-07-19 23:41:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_key [2022-07-19 23:41:29,253 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_key [2022-07-19 23:41:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-19 23:41:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_use_fixed_rate_ap [2022-07-19 23:41:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-19 23:41:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-19 23:41:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_rts_threshold [2022-07-19 23:41:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_rts_threshold [2022-07-19 23:41:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-19 23:41:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-19 23:41:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:41:29,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:41:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_interface [2022-07-19 23:41:29,255 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_interface [2022-07-19 23:41:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-07-19 23:41:29,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-07-19 23:41:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-19 23:41:29,255 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-19 23:41:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-19 23:41:29,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-19 23:41:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-19 23:41:29,256 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-19 23:41:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-19 23:41:29,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-19 23:41:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-19 23:41:29,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-19 23:41:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_prepare_multicast [2022-07-19 23:41:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_prepare_multicast [2022-07-19 23:41:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_feed_fw_image [2022-07-19 23:41:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_feed_fw_image [2022-07-19 23:41:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_firmware [2022-07-19 23:41:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_firmware [2022-07-19 23:41:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-19 23:41:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-19 23:41:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-19 23:41:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_enable [2022-07-19 23:41:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_enable [2022-07-19 23:41:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_mgmt [2022-07-19 23:41:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_mgmt [2022-07-19 23:41:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_process [2022-07-19 23:41:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_process [2022-07-19 23:41:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-07-19 23:41:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_unlock [2022-07-19 23:41:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_unlock [2022-07-19 23:41:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_stats [2022-07-19 23:41:29,259 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_stats [2022-07-19 23:41:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-19 23:41:29,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-19 23:41:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:41:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-19 23:41:29,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-19 23:41:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 23:41:29,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 23:41:29,260 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_configure_filter [2022-07-19 23:41:29,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_configure_filter [2022-07-19 23:41:29,261 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_ht_caps [2022-07-19 23:41:29,261 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_ht_caps [2022-07-19 23:41:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_start [2022-07-19 23:41:29,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_start [2022-07-19 23:41:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_request_fw [2022-07-19 23:41:29,262 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_request_fw [2022-07-19 23:41:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-19 23:41:29,262 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-19 23:41:29,262 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-19 23:41:29,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-19 23:41:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 23:41:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-19 23:41:29,263 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-19 23:41:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 23:41:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_firmware [2022-07-19 23:41:29,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_firmware [2022-07-19 23:41:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:41:29,263 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-19 23:41:29,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-19 23:41:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2022-07-19 23:41:29,264 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2022-07-19 23:41:29,264 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_probe_hw [2022-07-19 23:41:29,264 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_probe_hw [2022-07-19 23:41:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure SET_IEEE80211_PERM_ADDR [2022-07-19 23:41:29,265 INFO L138 BoogieDeclarations]: Found implementation of procedure SET_IEEE80211_PERM_ADDR [2022-07-19 23:41:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:41:29,265 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:41:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_name [2022-07-19 23:41:29,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_name [2022-07-19 23:41:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx [2022-07-19 23:41:29,265 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx [2022-07-19 23:41:29,265 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-19 23:41:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-19 23:41:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-19 23:41:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-19 23:41:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_start [2022-07-19 23:41:29,266 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_start [2022-07-19 23:41:29,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-19 23:41:29,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-19 23:41:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-19 23:41:29,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-19 23:41:29,267 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_refill [2022-07-19 23:41:29,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_refill [2022-07-19 23:41:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_caps [2022-07-19 23:41:29,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_caps [2022-07-19 23:41:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-07-19 23:41:29,268 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-07-19 23:41:29,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-07-19 23:41:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_wmm_mode [2022-07-19 23:41:29,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_wmm_mode [2022-07-19 23:41:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:41:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_get_survey [2022-07-19 23:41:29,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_get_survey [2022-07-19 23:41:29,269 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-19 23:41:29,269 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-19 23:41:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:41:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-19 23:41:29,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-19 23:41:29,270 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-19 23:41:29,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-19 23:41:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:41:29,271 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-19 23:41:29,273 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_stream [2022-07-19 23:41:29,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_stream [2022-07-19 23:41:29,273 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_init [2022-07-19 23:41:29,273 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_init [2022-07-19 23:41:29,274 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2022-07-19 23:41:29,274 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2022-07-19 23:41:29,275 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-19 23:41:29,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-19 23:41:29,275 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_radio_control [2022-07-19 23:41:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_radio_control [2022-07-19 23:41:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-19 23:41:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-19 23:41:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-07-19 23:41:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-07-19 23:41:29,279 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_pervif_cmd [2022-07-19 23:41:29,279 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_pervif_cmd [2022-07-19 23:41:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:41:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:41:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-07-19 23:41:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-07-19 23:41:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-19 23:41:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-19 23:41:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:41:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:41:29,280 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_hw_reset [2022-07-19 23:41:29,280 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_hw_reset [2022-07-19 23:41:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bss_start [2022-07-19 23:41:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bss_start [2022-07-19 23:41:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:41:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:41:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-07-19 23:41:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-07-19 23:41:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-19 23:41:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-19 23:41:29,281 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_enable_bsses [2022-07-19 23:41:29,281 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_enable_bsses [2022-07-19 23:41:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_interrupt [2022-07-19 23:41:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_interrupt [2022-07-19 23:41:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-19 23:41:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-19 23:41:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-19 23:41:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-19 23:41:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-07-19 23:41:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-07-19 23:41:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_conf_tx [2022-07-19 23:41:29,282 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_conf_tx [2022-07-19 23:41:29,282 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_pre_scan [2022-07-19 23:41:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_pre_scan [2022-07-19 23:41:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-07-19 23:41:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-07-19 23:41:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_post_scan [2022-07-19 23:41:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_post_scan [2022-07-19 23:41:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_load_fw_image [2022-07-19 23:41:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_load_fw_image [2022-07-19 23:41:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_txqs [2022-07-19 23:41:29,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_txqs [2022-07-19 23:41:29,283 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_vif [2022-07-19 23:41:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_vif [2022-07-19 23:41:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:41:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:41:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2022-07-19 23:41:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2022-07-19 23:41:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-19 23:41:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-19 23:41:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:41:29,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:41:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-19 23:41:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-19 23:41:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2022-07-19 23:41:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2022-07-19 23:41:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_init_firmware [2022-07-19 23:41:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_init_firmware [2022-07-19 23:41:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-19 23:41:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-19 23:41:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_enable_sniffer [2022-07-19 23:41:29,285 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_enable_sniffer [2022-07-19 23:41:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-19 23:41:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-19 23:41:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2022-07-19 23:41:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2022-07-19 23:41:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-19 23:41:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-19 23:41:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_bbp_reg_access [2022-07-19 23:41:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_bbp_reg_access [2022-07-19 23:41:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-19 23:41:29,286 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-19 23:41:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-19 23:41:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-19 23:41:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-19 23:41:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-19 23:41:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_rf_antenna [2022-07-19 23:41:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_rf_antenna [2022-07-19 23:41:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_reload_firmware [2022-07-19 23:41:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_reload_firmware [2022-07-19 23:41:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-19 23:41:29,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-19 23:41:29,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:41:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_channel_to_frequency [2022-07-19 23:41:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_channel_to_frequency [2022-07-19 23:41:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:41:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-07-19 23:41:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-07-19 23:41:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_dma_header [2022-07-19 23:41:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_dma_header [2022-07-19 23:41:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_bss_info_changed [2022-07-19 23:41:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_bss_info_changed [2022-07-19 23:41:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_stream [2022-07-19 23:41:29,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_stream [2022-07-19 23:41:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sw_scan_complete [2022-07-19 23:41:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sw_scan_complete [2022-07-19 23:41:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_reclaim [2022-07-19 23:41:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_reclaim [2022-07-19 23:41:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_set_radio_preamble [2022-07-19 23:41:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_set_radio_preamble [2022-07-19 23:41:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_config [2022-07-19 23:41:29,289 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_config [2022-07-19 23:41:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:41:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-19 23:41:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-19 23:41:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-19 23:41:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-19 23:41:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_txq_deinit [2022-07-19 23:41:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_txq_deinit [2022-07-19 23:41:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure rxq_refill [2022-07-19 23:41:29,290 INFO L138 BoogieDeclarations]: Found implementation of procedure rxq_refill [2022-07-19 23:41:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-19 23:41:29,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-19 23:41:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_process [2022-07-19 23:41:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_process [2022-07-19 23:41:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_fw_lock [2022-07-19 23:41:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_fw_lock [2022-07-19 23:41:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-19 23:41:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __mwl8k_cmd_mac_multicast_adr [2022-07-19 23:41:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_ap_init [2022-07-19 23:41:29,294 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_ap_init [2022-07-19 23:41:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-19 23:41:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-19 23:41:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2022-07-19 23:41:29,295 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2022-07-19 23:41:29,295 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_destroy_ba [2022-07-19 23:41:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_destroy_ba [2022-07-19 23:41:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-19 23:41:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-19 23:41:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-19 23:41:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-19 23:41:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-07-19 23:41:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-07-19 23:41:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_remove [2022-07-19 23:41:29,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_remove [2022-07-19 23:41:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_tx_start [2022-07-19 23:41:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_tx_start [2022-07-19 23:41:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_remove_dma_header [2022-07-19 23:41:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_remove_dma_header [2022-07-19 23:41:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_stop [2022-07-19 23:41:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_stop [2022-07-19 23:41:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_update_mac_addr [2022-07-19 23:41:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_update_mac_addr [2022-07-19 23:41:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:41:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:41:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2022-07-19 23:41:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2022-07-19 23:41:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 23:41:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-19 23:41:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-19 23:41:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:41:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:41:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure __ilog2_u32 [2022-07-19 23:41:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __ilog2_u32 [2022-07-19 23:41:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2022-07-19 23:41:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2022-07-19 23:41:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_encryption_set_cmd_info [2022-07-19 23:41:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_encryption_set_cmd_info [2022-07-19 23:41:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-19 23:41:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-19 23:41:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_sta_add [2022-07-19 23:41:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_sta_add [2022-07-19 23:41:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-19 23:41:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-19 23:41:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-19 23:41:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-19 23:41:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_mac_addr [2022-07-19 23:41:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_mac_addr [2022-07-19 23:41:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_add_interface [2022-07-19 23:41:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_add_interface [2022-07-19 23:41:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-19 23:41:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-19 23:41:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-19 23:41:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-19 23:41:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure legacy_rate_mask_to_array [2022-07-19 23:41:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure legacy_rate_mask_to_array [2022-07-19 23:41:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_ampdu_action [2022-07-19 23:41:29,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_ampdu_action [2022-07-19 23:41:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxd_sta_refill [2022-07-19 23:41:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxd_sta_refill [2022-07-19 23:41:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-19 23:41:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-19 23:41:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-19 23:41:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-19 23:41:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-19 23:41:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-19 23:41:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_release_fw [2022-07-19 23:41:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_release_fw [2022-07-19 23:41:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_rxq_deinit [2022-07-19 23:41:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_rxq_deinit [2022-07-19 23:41:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-19 23:41:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-19 23:41:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_send_fw_load_cmd [2022-07-19 23:41:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_send_fw_load_cmd [2022-07-19 23:41:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-07-19 23:41:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-07-19 23:41:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:41:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_cmd_set_new_stn_del [2022-07-19 23:41:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_cmd_set_new_stn_del [2022-07-19 23:41:29,302 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_post_cmd [2022-07-19 23:41:29,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_post_cmd [2022-07-19 23:41:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure mwl8k_lookup_stream [2022-07-19 23:41:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure mwl8k_lookup_stream [2022-07-19 23:41:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-07-19 23:41:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-19 23:41:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-19 23:41:29,303 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-19 23:41:29,303 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-19 23:41:30,198 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:41:30,204 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:41:34,407 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-19 23:41:42,521 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:41:42,539 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:41:42,539 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-19 23:41:42,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:41:42 BoogieIcfgContainer [2022-07-19 23:41:42,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:41:42,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:41:42,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:41:42,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:41:42,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:41:25" (1/3) ... [2022-07-19 23:41:42,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243b7730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:41:42, skipping insertion in model container [2022-07-19 23:41:42,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:41:28" (2/3) ... [2022-07-19 23:41:42,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@243b7730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:41:42, skipping insertion in model container [2022-07-19 23:41:42,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:41:42" (3/3) ... [2022-07-19 23:41:42,550 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 [2022-07-19 23:41:42,559 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:41:42,559 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:41:42,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:41:42,685 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@60fe42a7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@50cbcb2 [2022-07-19 23:41:42,685 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:41:42,694 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) [2022-07-19 23:41:42,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-19 23:41:42,710 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:41:42,711 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] [2022-07-19 23:41:42,712 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:41:42,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:41:42,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1222092844, now seen corresponding path program 1 times [2022-07-19 23:41:42,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:41:42,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371417689] [2022-07-19 23:41:42,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:41:42,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:41:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:41:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:41:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:41:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:41:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:41:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:41:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:41:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:41:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:41:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:41:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 23:41:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 23:41:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 23:41:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:41:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 23:41:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 23:41:43,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 23:41:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 23:41:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 23:41:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 23:41:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 23:41:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 23:41:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 23:41:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-19 23:41:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-19 23:41:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-19 23:41:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-19 23:41:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-19 23:41:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 23:41:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 23:41:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:41:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2022-07-19 23:41:43,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:41:43,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371417689] [2022-07-19 23:41:43,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371417689] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:41:43,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:41:43,769 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 23:41:43,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995222347] [2022-07-19 23:41:43,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:41:43,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 23:41:43,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:41:43,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 23:41:43,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 23:41:43,804 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) [2022-07-19 23:41:47,157 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 [] [2022-07-19 23:41:49,172 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:41:52,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:41:54,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:42:00,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:42:02,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:42:06,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:42:08,656 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 [] [2022-07-19 23:42:17,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:42:17,112 INFO L93 Difference]: Finished difference Result 11098 states and 17441 transitions. [2022-07-19 23:42:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 23:42:17,115 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 [2022-07-19 23:42:17,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:42:17,174 INFO L225 Difference]: With dead ends: 11098 [2022-07-19 23:42:17,174 INFO L226 Difference]: Without dead ends: 7931 [2022-07-19 23:42:17,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-19 23:42:17,208 INFO L413 NwaCegarLoop]: 4880 mSDtfsCounter, 10520 mSDsluCounter, 6764 mSDsCounter, 0 mSdLazyCounter, 6706 mSolverCounterSat, 5053 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11055 SdHoareTripleChecker+Valid, 11644 SdHoareTripleChecker+Invalid, 11767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5053 IncrementalHoareTripleChecker+Valid, 6706 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.4s IncrementalHoareTripleChecker+Time [2022-07-19 23:42:17,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11055 Valid, 11644 Invalid, 11767 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5053 Valid, 6706 Invalid, 8 Unknown, 0 Unchecked, 32.4s Time] [2022-07-19 23:42:17,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7931 states. [2022-07-19 23:42:17,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7931 to 6079. [2022-07-19 23:42:17,582 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) [2022-07-19 23:42:17,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6079 states to 6079 states and 8796 transitions. [2022-07-19 23:42:17,632 INFO L78 Accepts]: Start accepts. Automaton has 6079 states and 8796 transitions. Word has length 199 [2022-07-19 23:42:17,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:42:17,635 INFO L495 AbstractCegarLoop]: Abstraction has 6079 states and 8796 transitions. [2022-07-19 23:42:17,635 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) [2022-07-19 23:42:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 6079 states and 8796 transitions. [2022-07-19 23:42:17,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-19 23:42:17,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:42:17,643 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] [2022-07-19 23:42:17,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:42:17,644 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:42:17,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:42:17,644 INFO L85 PathProgramCache]: Analyzing trace with hash -609395325, now seen corresponding path program 1 times [2022-07-19 23:42:17,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:42:17,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188854745] [2022-07-19 23:42:17,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:42:17,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:42:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:42:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:42:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:17,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:42:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:17,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:42:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:17,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:42:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:42:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:42:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:42:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:42:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:42:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 23:42:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 23:42:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 23:42:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:42:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 23:42:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 23:42:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 23:42:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 23:42:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 23:42:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 23:42:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 23:42:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 23:42:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 23:42:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-19 23:42:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-19 23:42:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-19 23:42:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-19 23:42:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-19 23:42:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 23:42:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 23:42:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1096 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2022-07-19 23:42:18,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:42:18,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188854745] [2022-07-19 23:42:18,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188854745] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:42:18,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:42:18,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 23:42:18,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500316] [2022-07-19 23:42:18,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:42:18,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 23:42:18,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:42:18,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 23:42:18,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:42:18,226 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) [2022-07-19 23:42:23,415 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 [] [2022-07-19 23:42:25,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:42:30,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:42:32,926 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 [] [2022-07-19 23:42:49,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:42:49,292 INFO L93 Difference]: Finished difference Result 21802 states and 32826 transitions. [2022-07-19 23:42:49,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-19 23:42:49,293 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 [2022-07-19 23:42:49,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:42:49,451 INFO L225 Difference]: With dead ends: 21802 [2022-07-19 23:42:49,451 INFO L226 Difference]: Without dead ends: 15782 [2022-07-19 23:42:49,478 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 [2022-07-19 23:42:49,480 INFO L413 NwaCegarLoop]: 4857 mSDtfsCounter, 10519 mSDsluCounter, 13193 mSDsCounter, 0 mSdLazyCounter, 11802 mSolverCounterSat, 5061 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11055 SdHoareTripleChecker+Valid, 18050 SdHoareTripleChecker+Invalid, 16867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5061 IncrementalHoareTripleChecker+Valid, 11802 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.2s IncrementalHoareTripleChecker+Time [2022-07-19 23:42:49,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11055 Valid, 18050 Invalid, 16867 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5061 Valid, 11802 Invalid, 4 Unknown, 0 Unchecked, 30.2s Time] [2022-07-19 23:42:49,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15782 states. [2022-07-19 23:42:49,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15782 to 12136. [2022-07-19 23:42:49,950 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) [2022-07-19 23:42:49,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12136 states to 12136 states and 17612 transitions. [2022-07-19 23:42:50,002 INFO L78 Accepts]: Start accepts. Automaton has 12136 states and 17612 transitions. Word has length 202 [2022-07-19 23:42:50,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:42:50,004 INFO L495 AbstractCegarLoop]: Abstraction has 12136 states and 17612 transitions. [2022-07-19 23:42:50,005 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) [2022-07-19 23:42:50,005 INFO L276 IsEmpty]: Start isEmpty. Operand 12136 states and 17612 transitions. [2022-07-19 23:42:50,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-19 23:42:50,017 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:42:50,017 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] [2022-07-19 23:42:50,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 23:42:50,018 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:42:50,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:42:50,018 INFO L85 PathProgramCache]: Analyzing trace with hash 278568115, now seen corresponding path program 1 times [2022-07-19 23:42:50,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:42:50,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323064851] [2022-07-19 23:42:50,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:42:50,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:42:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:42:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:42:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:42:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:42:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:42:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:42:50,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:42:50,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:42:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:42:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:42:50,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 23:42:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 23:42:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 23:42:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:42:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 23:42:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 23:42:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 23:42:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 23:42:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 23:42:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 23:42:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 23:42:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 23:42:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 23:42:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-19 23:42:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-19 23:42:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-19 23:42:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-19 23:42:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-19 23:42:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 23:42:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 23:42:50,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-19 23:42:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:42:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:42:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:42:50,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1099 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1096 trivial. 0 not checked. [2022-07-19 23:42:50,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:42:50,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323064851] [2022-07-19 23:42:50,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323064851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:42:50,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:42:50,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 23:42:50,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973890818] [2022-07-19 23:42:50,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:42:50,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 23:42:50,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:42:50,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 23:42:50,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:42:50,600 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) [2022-07-19 23:42:55,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:42:57,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:42:59,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:05,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:07,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:09,104 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 [] [2022-07-19 23:43:21,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:43:21,012 INFO L93 Difference]: Finished difference Result 32960 states and 48971 transitions. [2022-07-19 23:43:21,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 23:43:21,014 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 [2022-07-19 23:43:21,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:43:21,125 INFO L225 Difference]: With dead ends: 32960 [2022-07-19 23:43:21,126 INFO L226 Difference]: Without dead ends: 20888 [2022-07-19 23:43:21,174 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 [2022-07-19 23:43:21,175 INFO L413 NwaCegarLoop]: 4557 mSDtfsCounter, 7210 mSDsluCounter, 6263 mSDsCounter, 0 mSdLazyCounter, 9110 mSolverCounterSat, 4355 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7514 SdHoareTripleChecker+Valid, 10820 SdHoareTripleChecker+Invalid, 13471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4355 IncrementalHoareTripleChecker+Valid, 9110 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2022-07-19 23:43:21,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7514 Valid, 10820 Invalid, 13471 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4355 Valid, 9110 Invalid, 6 Unknown, 0 Unchecked, 29.5s Time] [2022-07-19 23:43:21,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20888 states. [2022-07-19 23:43:21,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20888 to 16214. [2022-07-19 23:43:21,853 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) [2022-07-19 23:43:21,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16214 states to 16214 states and 23442 transitions. [2022-07-19 23:43:21,917 INFO L78 Accepts]: Start accepts. Automaton has 16214 states and 23442 transitions. Word has length 238 [2022-07-19 23:43:21,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:43:21,917 INFO L495 AbstractCegarLoop]: Abstraction has 16214 states and 23442 transitions. [2022-07-19 23:43:21,918 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) [2022-07-19 23:43:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 16214 states and 23442 transitions. [2022-07-19 23:43:21,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-19 23:43:21,932 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:43:21,933 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] [2022-07-19 23:43:21,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 23:43:21,933 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:43:21,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:43:21,934 INFO L85 PathProgramCache]: Analyzing trace with hash -273875912, now seen corresponding path program 1 times [2022-07-19 23:43:21,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:43:21,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654609096] [2022-07-19 23:43:21,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:43:21,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:43:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:43:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:43:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:43:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:43:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:43:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:43:22,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:43:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:43:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:43:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:43:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 23:43:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 23:43:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 23:43:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:43:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 23:43:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 23:43:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 23:43:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 23:43:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 23:43:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 23:43:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 23:43:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 23:43:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 23:43:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-19 23:43:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-19 23:43:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-19 23:43:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-19 23:43:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-19 23:43:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 23:43:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 23:43:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-19 23:43:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-19 23:43:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-19 23:43:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-19 23:43:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-19 23:43:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:43:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:43:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:43:22,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1488 trivial. 0 not checked. [2022-07-19 23:43:22,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:43:22,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654609096] [2022-07-19 23:43:22,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654609096] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:43:22,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:43:22,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 23:43:22,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247288748] [2022-07-19 23:43:22,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:43:22,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 23:43:22,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:43:22,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 23:43:22,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:43:22,638 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) [2022-07-19 23:43:29,485 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:31,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:33,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:35,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:37,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:39,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:45,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:47,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:49,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:51,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:53,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:43:55,487 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 [] [2022-07-19 23:44:13,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:44:13,818 INFO L93 Difference]: Finished difference Result 53002 states and 78967 transitions. [2022-07-19 23:44:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-19 23:44:13,819 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 [2022-07-19 23:44:13,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:44:14,087 INFO L225 Difference]: With dead ends: 53002 [2022-07-19 23:44:14,087 INFO L226 Difference]: Without dead ends: 36852 [2022-07-19 23:44:14,131 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 [2022-07-19 23:44:14,133 INFO L413 NwaCegarLoop]: 6452 mSDtfsCounter, 11434 mSDsluCounter, 8149 mSDsCounter, 0 mSdLazyCounter, 12388 mSolverCounterSat, 5984 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12074 SdHoareTripleChecker+Valid, 14601 SdHoareTripleChecker+Invalid, 18384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5984 IncrementalHoareTripleChecker+Valid, 12388 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.6s IncrementalHoareTripleChecker+Time [2022-07-19 23:44:14,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12074 Valid, 14601 Invalid, 18384 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5984 Valid, 12388 Invalid, 12 Unknown, 0 Unchecked, 49.6s Time] [2022-07-19 23:44:14,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36852 states. [2022-07-19 23:44:15,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36852 to 28540. [2022-07-19 23:44:15,295 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) [2022-07-19 23:44:15,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28540 states to 28540 states and 41397 transitions. [2022-07-19 23:44:15,391 INFO L78 Accepts]: Start accepts. Automaton has 28540 states and 41397 transitions. Word has length 274 [2022-07-19 23:44:15,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:44:15,393 INFO L495 AbstractCegarLoop]: Abstraction has 28540 states and 41397 transitions. [2022-07-19 23:44:15,393 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) [2022-07-19 23:44:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 28540 states and 41397 transitions. [2022-07-19 23:44:15,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-19 23:44:15,407 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:44:15,408 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] [2022-07-19 23:44:15,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 23:44:15,408 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:44:15,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:44:15,409 INFO L85 PathProgramCache]: Analyzing trace with hash -756085298, now seen corresponding path program 1 times [2022-07-19 23:44:15,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:44:15,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210790583] [2022-07-19 23:44:15,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:44:15,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:44:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:44:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:44:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:44:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:44:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:44:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:44:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:44:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:44:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:44:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:44:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 23:44:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 23:44:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 23:44:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:44:15,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 23:44:15,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 23:44:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 23:44:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 23:44:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 23:44:15,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 23:44:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 23:44:15,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 23:44:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 23:44:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-19 23:44:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-19 23:44:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-19 23:44:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-19 23:44:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-19 23:44:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 23:44:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 23:44:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-19 23:44:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-19 23:44:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-19 23:44:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-19 23:44:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:15,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-19 23:44:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:44:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:16,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:44:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:16,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2022-07-19 23:44:16,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:44:16,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210790583] [2022-07-19 23:44:16,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210790583] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:44:16,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:44:16,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-19 23:44:16,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924816201] [2022-07-19 23:44:16,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:44:16,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-19 23:44:16,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:44:16,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-19 23:44:16,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-19 23:44:16,061 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) [2022-07-19 23:44:22,624 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 [] [2022-07-19 23:44:27,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:44:38,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:44:40,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:44:40,256 INFO L93 Difference]: Finished difference Result 51744 states and 77547 transitions. [2022-07-19 23:44:40,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 23:44:40,258 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 [2022-07-19 23:44:40,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:44:40,431 INFO L225 Difference]: With dead ends: 51744 [2022-07-19 23:44:40,432 INFO L226 Difference]: Without dead ends: 36852 [2022-07-19 23:44:40,485 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 [2022-07-19 23:44:40,486 INFO L413 NwaCegarLoop]: 4299 mSDtfsCounter, 2058 mSDsluCounter, 6951 mSDsCounter, 0 mSdLazyCounter, 10909 mSolverCounterSat, 1115 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2238 SdHoareTripleChecker+Valid, 11250 SdHoareTripleChecker+Invalid, 12026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1115 IncrementalHoareTripleChecker+Valid, 10909 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.9s IncrementalHoareTripleChecker+Time [2022-07-19 23:44:40,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2238 Valid, 11250 Invalid, 12026 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1115 Valid, 10909 Invalid, 2 Unknown, 0 Unchecked, 22.9s Time] [2022-07-19 23:44:40,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36852 states. [2022-07-19 23:44:41,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36852 to 28552. [2022-07-19 23:44:41,619 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) [2022-07-19 23:44:41,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28552 states to 28552 states and 41409 transitions. [2022-07-19 23:44:41,864 INFO L78 Accepts]: Start accepts. Automaton has 28552 states and 41409 transitions. Word has length 274 [2022-07-19 23:44:41,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:44:41,868 INFO L495 AbstractCegarLoop]: Abstraction has 28552 states and 41409 transitions. [2022-07-19 23:44:41,869 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) [2022-07-19 23:44:41,869 INFO L276 IsEmpty]: Start isEmpty. Operand 28552 states and 41409 transitions. [2022-07-19 23:44:41,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-19 23:44:41,884 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:44:41,884 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] [2022-07-19 23:44:41,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 23:44:41,884 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:44:41,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:44:41,885 INFO L85 PathProgramCache]: Analyzing trace with hash 229237389, now seen corresponding path program 1 times [2022-07-19 23:44:41,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:44:41,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681128539] [2022-07-19 23:44:41,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:44:41,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:44:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 23:44:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 23:44:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 23:44:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:44:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:44:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-19 23:44:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-19 23:44:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-19 23:44:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-19 23:44:42,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-07-19 23:44:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-19 23:44:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-19 23:44:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-19 23:44:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-19 23:44:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-07-19 23:44:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-19 23:44:42,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-19 23:44:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-07-19 23:44:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-19 23:44:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-19 23:44:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-19 23:44:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-19 23:44:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-19 23:44:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-19 23:44:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-19 23:44:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-19 23:44:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-19 23:44:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-19 23:44:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-19 23:44:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-19 23:44:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-19 23:44:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-19 23:44:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-19 23:44:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-19 23:44:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-19 23:44:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 23:44:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:44:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:44:42,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1491 trivial. 0 not checked. [2022-07-19 23:44:42,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:44:42,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681128539] [2022-07-19 23:44:42,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681128539] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:44:42,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:44:42,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-19 23:44:42,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894995095] [2022-07-19 23:44:42,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:44:42,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-19 23:44:42,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:44:42,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-19 23:44:42,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-19 23:44:42,494 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) [2022-07-19 23:44:48,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:44:50,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:44:52,779 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:44:54,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:44:56,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:45:03,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:45:05,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:45:07,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:45:09,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:45:11,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:45:26,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:45:28,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:45:30,376 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 []