./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-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-tmp.no-commuhash-c3fed41 [2021-12-16 04:35:11,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:35:11,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:35:11,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:35:11,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:35:11,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:35:11,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:35:11,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:35:11,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:35:11,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:35:11,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:35:11,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:35:11,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:35:11,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:35:11,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:35:11,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:35:11,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:35:11,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:35:11,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:35:11,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:35:11,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:35:11,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:35:11,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:35:11,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:35:11,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:35:11,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:35:11,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:35:11,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:35:11,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:35:11,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:35:11,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:35:11,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:35:11,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:35:11,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:35:11,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:35:11,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:35:11,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:35:11,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:35:11,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:35:11,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:35:11,807 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:35:11,808 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:35:11,827 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:35:11,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:35:11,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:35:11,828 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:35:11,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:35:11,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:35:11,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:35:11,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:35:11,830 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:35:11,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:35:11,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:35:11,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:35:11,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:35:11,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:35:11,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:35:11,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:35:11,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:35:11,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:35:11,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:35:11,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:35:11,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:35:11,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:35:11,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:35:11,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:35:11,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:35:11,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:35:11,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:35:11,835 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:35:11,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:35:11,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:35:11,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:35:11,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2021-12-16 04:35:12,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:35:12,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:35:12,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:35:12,096 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:35:12,097 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:35:12,098 INFO L432 ainManager$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 [2021-12-16 04:35:12,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f35c3488/e805986d12df4a008f9c1d71d6024da5/FLAGe48991aa9 [2021-12-16 04:35:12,961 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:35:12,961 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 [2021-12-16 04:35:13,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f35c3488/e805986d12df4a008f9c1d71d6024da5/FLAGe48991aa9 [2021-12-16 04:35:13,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f35c3488/e805986d12df4a008f9c1d71d6024da5 [2021-12-16 04:35:13,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:35:13,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:35:13,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:35:13,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:35:13,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:35:13,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:35:13" (1/1) ... [2021-12-16 04:35:13,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5fe566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:13, skipping insertion in model container [2021-12-16 04:35:13,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:35:13" (1/1) ... [2021-12-16 04:35:13,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:35:13,648 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:35:17,378 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] [2021-12-16 04:35:17,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:35:17,567 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:35:17,957 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] [2021-12-16 04:35:17,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:35:18,112 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:35:18,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:18 WrapperNode [2021-12-16 04:35:18,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:35:18,116 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:35:18,116 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:35:18,116 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:35:18,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:18" (1/1) ... [2021-12-16 04:35:18,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:18" (1/1) ... [2021-12-16 04:35:18,641 INFO L137 Inliner]: procedures = 440, calls = 4514, calls flagged for inlining = 181, calls inlined = 178, statements flattened = 8251 [2021-12-16 04:35:18,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:35:18,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:35:18,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:35:18,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:35:18,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:18" (1/1) ... [2021-12-16 04:35:18,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:18" (1/1) ... [2021-12-16 04:35:18,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:18" (1/1) ... [2021-12-16 04:35:18,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:18" (1/1) ... [2021-12-16 04:35:18,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:18" (1/1) ... [2021-12-16 04:35:19,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:18" (1/1) ... [2021-12-16 04:35:19,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:18" (1/1) ... [2021-12-16 04:35:19,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:35:19,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:35:19,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:35:19,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:35:19,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:18" (1/1) ... [2021-12-16 04:35:19,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:35:19,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:35:19,104 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) [2021-12-16 04:35:19,129 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 [2021-12-16 04:35:19,143 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2021-12-16 04:35:19,143 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2021-12-16 04:35:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-12-16 04:35:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-12-16 04:35:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2021-12-16 04:35:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2021-12-16 04:35:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2021-12-16 04:35:19,144 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2021-12-16 04:35:19,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 04:35:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 04:35:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:35:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:35:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-16 04:35:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-16 04:35:19,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:35:19,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:35:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2021-12-16 04:35:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2021-12-16 04:35:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2021-12-16 04:35:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2021-12-16 04:35:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2021-12-16 04:35:19,146 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2021-12-16 04:35:19,146 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-12-16 04:35:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-12-16 04:35:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2021-12-16 04:35:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2021-12-16 04:35:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-12-16 04:35:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-12-16 04:35:19,147 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 04:35:19,147 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 04:35:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2021-12-16 04:35:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2021-12-16 04:35:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-16 04:35:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-16 04:35:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 04:35:19,148 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 04:35:19,148 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2021-12-16 04:35:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2021-12-16 04:35:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2021-12-16 04:35:19,149 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2021-12-16 04:35:19,149 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2021-12-16 04:35:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2021-12-16 04:35:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2021-12-16 04:35:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2021-12-16 04:35:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2021-12-16 04:35:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2021-12-16 04:35:19,150 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2021-12-16 04:35:19,150 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2021-12-16 04:35:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-16 04:35:19,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-16 04:35:19,151 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-16 04:35:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-16 04:35:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:35:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2021-12-16 04:35:19,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2021-12-16 04:35:19,152 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2021-12-16 04:35:19,153 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2021-12-16 04:35:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 04:35:19,154 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 04:35:19,154 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2021-12-16 04:35:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2021-12-16 04:35:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:35:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2021-12-16 04:35:19,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2021-12-16 04:35:19,155 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 04:35:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 04:35:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 04:35:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 04:35:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2021-12-16 04:35:19,156 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2021-12-16 04:35:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:35:19,156 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2021-12-16 04:35:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2021-12-16 04:35:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2021-12-16 04:35:19,157 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2021-12-16 04:35:19,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:35:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_10 [2021-12-16 04:35:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_10 [2021-12-16 04:35:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 04:35:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 04:35:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2021-12-16 04:35:19,158 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2021-12-16 04:35:19,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:35:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:35:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-16 04:35:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-16 04:35:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-16 04:35:19,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-16 04:35:19,159 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-16 04:35:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-16 04:35:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2021-12-16 04:35:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2021-12-16 04:35:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2021-12-16 04:35:19,160 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2021-12-16 04:35:19,160 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-16 04:35:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-16 04:35:19,161 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 04:35:19,161 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 04:35:19,162 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2021-12-16 04:35:19,162 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2021-12-16 04:35:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2021-12-16 04:35:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2021-12-16 04:35:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2021-12-16 04:35:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2021-12-16 04:35:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-16 04:35:19,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-16 04:35:19,163 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-16 04:35:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-16 04:35:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:35:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:35:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-16 04:35:19,164 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-16 04:35:19,164 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-12-16 04:35:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-12-16 04:35:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2021-12-16 04:35:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2021-12-16 04:35:19,165 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 04:35:19,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 04:35:19,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:35:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:35:19,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:35:19,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_10 [2021-12-16 04:35:19,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_10 [2021-12-16 04:35:19,169 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2021-12-16 04:35:19,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2021-12-16 04:35:19,170 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2021-12-16 04:35:19,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2021-12-16 04:35:19,171 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2021-12-16 04:35:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2021-12-16 04:35:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2021-12-16 04:35:19,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2021-12-16 04:35:19,175 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2021-12-16 04:35:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2021-12-16 04:35:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2021-12-16 04:35:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2021-12-16 04:35:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2021-12-16 04:35:19,176 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2021-12-16 04:35:19,176 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2021-12-16 04:35:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2021-12-16 04:35:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2021-12-16 04:35:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2021-12-16 04:35:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-12-16 04:35:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-12-16 04:35:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:35:19,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:35:19,239 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 04:35:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 04:35:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2021-12-16 04:35:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2021-12-16 04:35:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:35:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:35:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2021-12-16 04:35:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2021-12-16 04:35:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:35:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:35:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2021-12-16 04:35:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2021-12-16 04:35:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-16 04:35:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-16 04:35:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2021-12-16 04:35:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2021-12-16 04:35:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2021-12-16 04:35:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2021-12-16 04:35:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_9 [2021-12-16 04:35:19,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_9 [2021-12-16 04:35:19,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2021-12-16 04:35:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2021-12-16 04:35:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2021-12-16 04:35:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2021-12-16 04:35:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2021-12-16 04:35:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2021-12-16 04:35:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2021-12-16 04:35:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2021-12-16 04:35:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2021-12-16 04:35:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2021-12-16 04:35:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2021-12-16 04:35:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2021-12-16 04:35:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2021-12-16 04:35:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2021-12-16 04:35:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 04:35:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 04:35:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-16 04:35:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-16 04:35:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-16 04:35:19,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-16 04:35:19,241 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2021-12-16 04:35:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2021-12-16 04:35:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:35:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:35:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-16 04:35:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-16 04:35:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-16 04:35:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-16 04:35:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2021-12-16 04:35:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2021-12-16 04:35:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2021-12-16 04:35:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2021-12-16 04:35:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:35:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2021-12-16 04:35:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2021-12-16 04:35:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:35:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2021-12-16 04:35:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2021-12-16 04:35:19,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-16 04:35:19,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-16 04:35:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:35:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2021-12-16 04:35:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2021-12-16 04:35:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-16 04:35:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-16 04:35:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-16 04:35:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-16 04:35:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2021-12-16 04:35:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2021-12-16 04:35:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2021-12-16 04:35:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2021-12-16 04:35:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2021-12-16 04:35:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2021-12-16 04:35:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2021-12-16 04:35:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2021-12-16 04:35:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_beacon_work [2021-12-16 04:35:19,243 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_beacon_work [2021-12-16 04:35:19,243 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2021-12-16 04:35:19,244 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2021-12-16 04:35:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-16 04:35:19,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-16 04:35:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2021-12-16 04:35:19,244 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2021-12-16 04:35:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2021-12-16 04:35:19,244 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2021-12-16 04:35:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2021-12-16 04:35:19,244 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2021-12-16 04:35:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:35:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2021-12-16 04:35:19,244 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2021-12-16 04:35:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-16 04:35:19,244 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-16 04:35:19,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:35:19,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:35:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2021-12-16 04:35:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2021-12-16 04:35:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2021-12-16 04:35:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2021-12-16 04:35:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2021-12-16 04:35:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2021-12-16 04:35:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-16 04:35:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-16 04:35:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-16 04:35:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-16 04:35:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-16 04:35:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-16 04:35:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2021-12-16 04:35:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2021-12-16 04:35:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-16 04:35:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-16 04:35:19,245 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2021-12-16 04:35:19,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2021-12-16 04:35:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-16 04:35:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-16 04:35:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-16 04:35:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-16 04:35:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2021-12-16 04:35:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2021-12-16 04:35:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2021-12-16 04:35:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2021-12-16 04:35:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:35:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2021-12-16 04:35:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2021-12-16 04:35:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2021-12-16 04:35:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2021-12-16 04:35:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2021-12-16 04:35:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2021-12-16 04:35:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2021-12-16 04:35:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2021-12-16 04:35:19,246 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-12-16 04:35:19,246 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-12-16 04:35:20,187 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:35:20,190 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:35:20,567 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:35:26,262 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:35:26,297 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:35:26,298 INFO L301 CfgBuilder]: Removed 78 assume(true) statements. [2021-12-16 04:35:26,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:35:26 BoogieIcfgContainer [2021-12-16 04:35:26,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:35:26,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:35:26,304 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:35:26,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:35:26,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:35:13" (1/3) ... [2021-12-16 04:35:26,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b66b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:35:26, skipping insertion in model container [2021-12-16 04:35:26,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:18" (2/3) ... [2021-12-16 04:35:26,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10b66b43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:35:26, skipping insertion in model container [2021-12-16 04:35:26,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:35:26" (3/3) ... [2021-12-16 04:35:26,311 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 [2021-12-16 04:35:26,315 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:35:26,316 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 04:35:26,380 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:35:26,390 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 [2021-12-16 04:35:26,390 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 04:35:26,474 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) [2021-12-16 04:35:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-16 04:35:26,494 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:35:26,495 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] [2021-12-16 04:35:26,496 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:35:26,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:35:26,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1156017786, now seen corresponding path program 1 times [2021-12-16 04:35:26,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:35:26,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747415072] [2021-12-16 04:35:26,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:35:26,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:35:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:35:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:35:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:35:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:35:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:27,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:35:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:35:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:35:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:27,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:35:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:35:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:35:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 04:35:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 04:35:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-16 04:35:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-16 04:35:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-16 04:35:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:28,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-16 04:35:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:28,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:28,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-16 04:35:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:28,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:28,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-16 04:35:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:28,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:28,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2021-12-16 04:35:28,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:35:28,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747415072] [2021-12-16 04:35:28,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747415072] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:35:28,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:35:28,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-16 04:35:28,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538064728] [2021-12-16 04:35:28,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:35:28,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-16 04:35:28,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:35:28,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-16 04:35:28,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 04:35:28,228 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) [2021-12-16 04:35:32,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:35:33,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:35:41,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:35:41,335 INFO L93 Difference]: Finished difference Result 7459 states and 11796 transitions. [2021-12-16 04:35:41,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-16 04:35:41,337 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 [2021-12-16 04:35:41,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:35:41,395 INFO L225 Difference]: With dead ends: 7459 [2021-12-16 04:35:41,395 INFO L226 Difference]: Without dead ends: 3690 [2021-12-16 04:35:41,428 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 [2021-12-16 04:35:41,432 INFO L933 BasicCegarLoop]: 4324 mSDtfsCounter, 2210 mSDsluCounter, 4093 mSDsCounter, 0 mSdLazyCounter, 3782 mSolverCounterSat, 4642 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 8417 SdHoareTripleChecker+Invalid, 8424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4642 IncrementalHoareTripleChecker+Valid, 3782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2021-12-16 04:35:41,436 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2221 Valid, 8417 Invalid, 8424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4642 Valid, 3782 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2021-12-16 04:35:41,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3690 states. [2021-12-16 04:35:41,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3690 to 3484. [2021-12-16 04:35:41,842 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) [2021-12-16 04:35:41,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5372 transitions. [2021-12-16 04:35:41,882 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5372 transitions. Word has length 279 [2021-12-16 04:35:41,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:35:41,883 INFO L470 AbstractCegarLoop]: Abstraction has 3484 states and 5372 transitions. [2021-12-16 04:35:41,884 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) [2021-12-16 04:35:41,884 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5372 transitions. [2021-12-16 04:35:41,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-12-16 04:35:41,892 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:35:41,892 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] [2021-12-16 04:35:41,892 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:35:41,893 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 04:35:41,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:35:41,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1870882658, now seen corresponding path program 1 times [2021-12-16 04:35:41,894 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:35:41,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912713686] [2021-12-16 04:35:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:35:41,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:35:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 04:35:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-16 04:35:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-16 04:35:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-16 04:35:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-16 04:35:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-16 04:35:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-16 04:35:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-16 04:35:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-16 04:35:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:35:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-16 04:35:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-16 04:35:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 04:35:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-16 04:35:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-16 04:35:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-16 04:35:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-16 04:35:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-16 04:35:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-16 04:35:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:35:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:35:42,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2021-12-16 04:35:42,909 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:35:42,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912713686] [2021-12-16 04:35:42,910 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912713686] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:35:42,910 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:35:42,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 04:35:42,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204821149] [2021-12-16 04:35:42,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:35:42,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 04:35:42,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:35:42,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 04:35:42,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-16 04:35:42,913 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) [2021-12-16 04:35:45,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:35:47,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:35:49,417 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:35:57,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:36:01,547 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []