./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.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 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 16:48:21,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 16:48:21,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 16:48:21,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 16:48:21,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 16:48:21,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 16:48:21,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 16:48:21,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 16:48:21,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 16:48:21,101 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 16:48:21,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 16:48:21,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 16:48:21,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 16:48:21,106 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 16:48:21,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 16:48:21,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 16:48:21,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 16:48:21,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 16:48:21,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 16:48:21,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 16:48:21,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 16:48:21,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 16:48:21,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 16:48:21,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 16:48:21,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 16:48:21,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 16:48:21,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 16:48:21,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 16:48:21,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 16:48:21,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 16:48:21,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 16:48:21,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 16:48:21,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 16:48:21,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 16:48:21,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 16:48:21,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 16:48:21,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 16:48:21,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 16:48:21,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 16:48:21,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 16:48:21,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 16:48:21,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 16:48:21,187 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 16:48:21,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 16:48:21,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 16:48:21,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 16:48:21,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 16:48:21,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 16:48:21,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 16:48:21,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 16:48:21,190 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 16:48:21,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 16:48:21,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 16:48:21,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 16:48:21,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 16:48:21,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 16:48:21,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 16:48:21,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 16:48:21,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 16:48:21,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 16:48:21,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 16:48:21,193 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 16:48:21,193 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 16:48:21,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:48:21,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 16:48:21,194 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 16:48:21,194 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 16:48:21,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 16:48:21,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 16:48:21,196 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 16:48:21,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 16:48:21,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 16:48:21,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 16:48:21,197 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2021-12-21 16:48:21,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 16:48:21,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 16:48:21,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 16:48:21,459 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 16:48:21,460 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 16:48:21,461 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-12-21 16:48:21,537 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd97b7df/7a38962992494979942f1a8d64b62190/FLAGf1c1e774d [2021-12-21 16:48:22,426 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 16:48:22,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-12-21 16:48:22,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd97b7df/7a38962992494979942f1a8d64b62190/FLAGf1c1e774d [2021-12-21 16:48:22,537 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd97b7df/7a38962992494979942f1a8d64b62190 [2021-12-21 16:48:22,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 16:48:22,541 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 16:48:22,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 16:48:22,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 16:48:22,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 16:48:22,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:48:22" (1/1) ... [2021-12-21 16:48:22,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54a82ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:22, skipping insertion in model container [2021-12-21 16:48:22,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 04:48:22" (1/1) ... [2021-12-21 16:48:22,553 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 16:48:22,697 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 16:48:26,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2021-12-21 16:48:26,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:48:26,757 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 16:48:27,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2021-12-21 16:48:27,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 16:48:27,354 INFO L208 MainTranslator]: Completed translation [2021-12-21 16:48:27,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:27 WrapperNode [2021-12-21 16:48:27,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 16:48:27,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 16:48:27,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 16:48:27,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 16:48:27,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:27" (1/1) ... [2021-12-21 16:48:27,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:27" (1/1) ... [2021-12-21 16:48:27,665 INFO L137 Inliner]: procedures = 440, calls = 4514, calls flagged for inlining = 181, calls inlined = 178, statements flattened = 8251 [2021-12-21 16:48:27,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 16:48:27,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 16:48:27,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 16:48:27,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 16:48:27,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:27" (1/1) ... [2021-12-21 16:48:27,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:27" (1/1) ... [2021-12-21 16:48:27,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:27" (1/1) ... [2021-12-21 16:48:27,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:27" (1/1) ... [2021-12-21 16:48:27,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:27" (1/1) ... [2021-12-21 16:48:27,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:27" (1/1) ... [2021-12-21 16:48:28,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:27" (1/1) ... [2021-12-21 16:48:28,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 16:48:28,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 16:48:28,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 16:48:28,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 16:48:28,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:27" (1/1) ... [2021-12-21 16:48:28,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 16:48:28,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 16:48:28,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 16:48:28,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 16:48:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-12-21 16:48:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-12-21 16:48:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-12-21 16:48:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-12-21 16:48:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-12-21 16:48:28,390 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-12-21 16:48:28,390 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-12-21 16:48:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-12-21 16:48:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 16:48:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 16:48:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 16:48:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 16:48:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-21 16:48:28,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-21 16:48:28,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 16:48:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 16:48:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-12-21 16:48:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-12-21 16:48:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-12-21 16:48:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-12-21 16:48:28,392 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2021-12-21 16:48:28,392 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2021-12-21 16:48:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-21 16:48:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-21 16:48:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2021-12-21 16:48:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2021-12-21 16:48:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-21 16:48:28,393 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-21 16:48:28,393 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 16:48:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 16:48:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-21 16:48:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-21 16:48:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-21 16:48:28,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-21 16:48:28,394 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-21 16:48:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-21 16:48:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-12-21 16:48:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-12-21 16:48:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-12-21 16:48:28,395 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-12-21 16:48:28,395 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-12-21 16:48:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-12-21 16:48:28,396 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-12-21 16:48:28,396 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-12-21 16:48:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-12-21 16:48:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-12-21 16:48:28,397 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-12-21 16:48:28,397 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-12-21 16:48:28,411 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-21 16:48:28,411 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-21 16:48:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-21 16:48:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-21 16:48:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 16:48:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-12-21 16:48:28,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-12-21 16:48:28,412 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-12-21 16:48:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-12-21 16:48:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-21 16:48:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-21 16:48:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-12-21 16:48:28,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-12-21 16:48:28,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 16:48:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-12-21 16:48:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-12-21 16:48:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 16:48:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 16:48:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-21 16:48:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-21 16:48:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-12-21 16:48:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-12-21 16:48:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 16:48:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-12-21 16:48:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-12-21 16:48:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-12-21 16:48:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-12-21 16:48:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 16:48:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_10 [2021-12-21 16:48:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_10 [2021-12-21 16:48:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 16:48:28,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 16:48:28,416 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-12-21 16:48:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-12-21 16:48:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 16:48:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 16:48:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-21 16:48:28,417 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-21 16:48:28,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-21 16:48:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-21 16:48:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-21 16:48:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-21 16:48:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-12-21 16:48:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-12-21 16:48:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-12-21 16:48:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-12-21 16:48:28,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-21 16:48:28,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-21 16:48:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 16:48:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 16:48:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-12-21 16:48:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-12-21 16:48:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-12-21 16:48:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-12-21 16:48:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-12-21 16:48:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-12-21 16:48:28,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-21 16:48:28,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-21 16:48:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-21 16:48:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-21 16:48:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 16:48:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 16:48:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-21 16:48:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-21 16:48:28,420 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-21 16:48:28,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-21 16:48:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-12-21 16:48:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-12-21 16:48:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-21 16:48:28,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-21 16:48:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 16:48:28,421 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:48:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 16:48:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_10 [2021-12-21 16:48:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_10 [2021-12-21 16:48:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-12-21 16:48:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-12-21 16:48:28,422 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2021-12-21 16:48:28,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2021-12-21 16:48:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-12-21 16:48:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-12-21 16:48:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2021-12-21 16:48:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2021-12-21 16:48:28,423 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2021-12-21 16:48:28,423 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2021-12-21 16:48:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-12-21 16:48:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-12-21 16:48:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-12-21 16:48:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-12-21 16:48:28,424 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-12-21 16:48:28,424 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-12-21 16:48:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2021-12-21 16:48:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2021-12-21 16:48:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-21 16:48:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-21 16:48:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 16:48:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 16:48:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-21 16:48:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-21 16:48:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-12-21 16:48:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-12-21 16:48:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 16:48:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 16:48:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2021-12-21 16:48:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2021-12-21 16:48:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 16:48:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 16:48:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-12-21 16:48:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-12-21 16:48:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-21 16:48:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-21 16:48:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-21 16:48:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-21 16:48:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2021-12-21 16:48:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2021-12-21 16:48:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_9 [2021-12-21 16:48:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_9 [2021-12-21 16:48:28,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2021-12-21 16:48:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2021-12-21 16:48:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-12-21 16:48:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-12-21 16:48:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-12-21 16:48:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-12-21 16:48:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2021-12-21 16:48:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2021-12-21 16:48:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-12-21 16:48:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-12-21 16:48:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-12-21 16:48:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-12-21 16:48:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2021-12-21 16:48:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2021-12-21 16:48:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-21 16:48:28,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-21 16:48:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-21 16:48:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-21 16:48:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-21 16:48:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-21 16:48:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-12-21 16:48:28,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-12-21 16:48:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 16:48:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 16:48:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-21 16:48:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-21 16:48:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-21 16:48:28,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-21 16:48:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2021-12-21 16:48:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2021-12-21 16:48:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-12-21 16:48:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-12-21 16:48:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 16:48:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-12-21 16:48:28,448 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-12-21 16:48:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 16:48:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2021-12-21 16:48:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2021-12-21 16:48:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-21 16:48:28,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-21 16:48:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 16:48:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2021-12-21 16:48:28,450 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2021-12-21 16:48:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-21 16:48:28,450 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-21 16:48:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-21 16:48:28,450 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-21 16:48:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2021-12-21 16:48:28,450 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2021-12-21 16:48:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-12-21 16:48:28,451 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-12-21 16:48:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-12-21 16:48:28,451 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-12-21 16:48:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2021-12-21 16:48:28,451 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2021-12-21 16:48:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_beacon_work [2021-12-21 16:48:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_beacon_work [2021-12-21 16:48:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-12-21 16:48:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-12-21 16:48:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-21 16:48:28,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-21 16:48:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-12-21 16:48:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-12-21 16:48:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2021-12-21 16:48:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2021-12-21 16:48:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-12-21 16:48:28,453 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-12-21 16:48:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 16:48:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-12-21 16:48:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-12-21 16:48:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-21 16:48:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-21 16:48:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 16:48:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 16:48:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-12-21 16:48:28,454 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-12-21 16:48:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-12-21 16:48:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-12-21 16:48:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2021-12-21 16:48:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2021-12-21 16:48:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-21 16:48:28,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-21 16:48:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-21 16:48:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-21 16:48:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-21 16:48:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-21 16:48:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2021-12-21 16:48:28,456 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2021-12-21 16:48:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-21 16:48:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-21 16:48:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-12-21 16:48:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-12-21 16:48:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-21 16:48:28,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-21 16:48:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-21 16:48:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-21 16:48:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-12-21 16:48:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-12-21 16:48:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-12-21 16:48:28,458 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-12-21 16:48:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 16:48:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-12-21 16:48:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-12-21 16:48:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2021-12-21 16:48:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2021-12-21 16:48:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-12-21 16:48:28,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-12-21 16:48:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-12-21 16:48:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-12-21 16:48:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-21 16:48:28,460 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-21 16:48:29,501 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 16:48:29,505 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 16:48:29,869 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 16:48:40,882 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 16:48:40,915 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 16:48:40,915 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2021-12-21 16:48:40,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:48:40 BoogieIcfgContainer [2021-12-21 16:48:40,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 16:48:40,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 16:48:40,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 16:48:40,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 16:48:40,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 04:48:22" (1/3) ... [2021-12-21 16:48:40,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28938aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:48:40, skipping insertion in model container [2021-12-21 16:48:40,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 04:48:27" (2/3) ... [2021-12-21 16:48:40,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28938aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 04:48:40, skipping insertion in model container [2021-12-21 16:48:40,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 04:48:40" (3/3) ... [2021-12-21 16:48:40,930 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2021-12-21 16:48:40,935 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 16:48:40,935 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 16:48:41,000 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 16:48:41,009 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 16:48:41,009 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 16:48:41,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 3746 states, 2156 states have (on average 1.312152133580705) internal successors, (2829), 2311 states have internal predecessors, (2829), 1537 states have call successors, (1537), 130 states have call predecessors, (1537), 129 states have return successors, (1522), 1485 states have call predecessors, (1522), 1522 states have call successors, (1522) [2021-12-21 16:48:41,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-21 16:48:41,120 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:48:41,121 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:48:41,121 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:48:41,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:48:41,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1156017786, now seen corresponding path program 1 times [2021-12-21 16:48:41,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:48:41,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473737186] [2021-12-21 16:48:41,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:48:41,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:48:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:48:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:48:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:48:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:48:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:48:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:48:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:48:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:48:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:48:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:48:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:48:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:48:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:48:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-21 16:48:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-21 16:48:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-21 16:48:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-21 16:48:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-21 16:48:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-21 16:48:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:48:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:48:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2021-12-21 16:48:42,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:48:42,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473737186] [2021-12-21 16:48:42,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473737186] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:48:42,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:48:42,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 16:48:42,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490622221] [2021-12-21 16:48:42,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:48:42,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 16:48:42,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:48:42,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 16:48:42,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 16:48:42,954 INFO L87 Difference]: Start difference. First operand has 3746 states, 2156 states have (on average 1.312152133580705) internal successors, (2829), 2311 states have internal predecessors, (2829), 1537 states have call successors, (1537), 130 states have call predecessors, (1537), 129 states have return successors, (1522), 1485 states have call predecessors, (1522), 1522 states have call successors, (1522) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-21 16:48:46,267 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:48:49,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:48:50,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:49:01,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 16:49:01,946 INFO L93 Difference]: Finished difference Result 7459 states and 11796 transitions. [2021-12-21 16:49:01,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-21 16:49:01,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 279 [2021-12-21 16:49:01,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 16:49:01,997 INFO L225 Difference]: With dead ends: 7459 [2021-12-21 16:49:01,997 INFO L226 Difference]: Without dead ends: 3690 [2021-12-21 16:49:02,024 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:49:02,028 INFO L933 BasicCegarLoop]: 4327 mSDtfsCounter, 2210 mSDsluCounter, 4102 mSDsCounter, 0 mSdLazyCounter, 3781 mSolverCounterSat, 4642 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 8429 SdHoareTripleChecker+Invalid, 8424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4642 IncrementalHoareTripleChecker+Valid, 3781 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2021-12-21 16:49:02,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2221 Valid, 8429 Invalid, 8424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4642 Valid, 3781 Invalid, 1 Unknown, 0 Unchecked, 18.2s Time] [2021-12-21 16:49:02,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2021-12-21 16:49:02,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 3484. [2021-12-21 16:49:02,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3484 states, 1911 states have (on average 1.3003663003663004) internal successors, (2485), 1980 states have internal predecessors, (2485), 1444 states have call successors, (1444), 129 states have call predecessors, (1444), 128 states have return successors, (1443), 1406 states have call predecessors, (1443), 1443 states have call successors, (1443) [2021-12-21 16:49:02,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5372 transitions. [2021-12-21 16:49:02,402 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5372 transitions. Word has length 279 [2021-12-21 16:49:02,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 16:49:02,405 INFO L470 AbstractCegarLoop]: Abstraction has 3484 states and 5372 transitions. [2021-12-21 16:49:02,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-21 16:49:02,406 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5372 transitions. [2021-12-21 16:49:02,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-21 16:49:02,413 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 16:49:02,413 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 16:49:02,413 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 16:49:02,414 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 16:49:02,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 16:49:02,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1870882658, now seen corresponding path program 1 times [2021-12-21 16:49:02,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 16:49:02,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40373206] [2021-12-21 16:49:02,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 16:49:02,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 16:49:02,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:02,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-21 16:49:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:02,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:02,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:49:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:02,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-21 16:49:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:02,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:49:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:02,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-21 16:49:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:02,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:02,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:49:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:02,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-21 16:49:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:02,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:49:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-21 16:49:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:49:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-21 16:49:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:49:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-21 16:49:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:49:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-21 16:49:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:49:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-21 16:49:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:49:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 16:49:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:49:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-21 16:49:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:49:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-21 16:49:03,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-21 16:49:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-21 16:49:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-21 16:49:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-21 16:49:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-21 16:49:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-21 16:49:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-21 16:49:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 16:49:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 16:49:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2021-12-21 16:49:03,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 16:49:03,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40373206] [2021-12-21 16:49:03,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40373206] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 16:49:03,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 16:49:03,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-21 16:49:03,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498352834] [2021-12-21 16:49:03,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 16:49:03,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-21 16:49:03,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 16:49:03,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-21 16:49:03,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-21 16:49:03,520 INFO L87 Difference]: Start difference. First operand 3484 states and 5372 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-21 16:49:05,271 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:49:06,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:49:08,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 16:49:10,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []