./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.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 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:57:37,686 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:57:37,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:57:37,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:57:37,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:57:37,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:57:37,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:57:37,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:57:37,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:57:37,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:57:37,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:57:37,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:57:37,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:57:37,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:57:37,748 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:57:37,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:57:37,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:57:37,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:57:37,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:57:37,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:57:37,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:57:37,769 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:57:37,770 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:57:37,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:57:37,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:57:37,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:57:37,776 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:57:37,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:57:37,778 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:57:37,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:57:37,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:57:37,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:57:37,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:57:37,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:57:37,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:57:37,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:57:37,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:57:37,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:57:37,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:57:37,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:57:37,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:57:37,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:57:37,824 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:57:37,826 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:57:37,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:57:37,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:57:37,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:57:37,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:57:37,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:57:37,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:57:37,830 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:57:37,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:57:37,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:57:37,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:57:37,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:57:37,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:57:37,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:57:37,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:57:37,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:57:37,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:57:37,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:57:37,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:57:37,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:57:37,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:57:37,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:57:37,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:57:37,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:57:37,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:57:37,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:57:37,834 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:57:37,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:57:37,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:57:37,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:57:37,835 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2021-12-14 18:57:38,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:57:38,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:57:38,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:57:38,135 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:57:38,136 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:57:38,137 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2021-12-14 18:57:38,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/609a92362/8715efb785c346b7a61973c8988a196d/FLAGf1f02ecd7 [2021-12-14 18:57:39,120 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:57:39,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2021-12-14 18:57:39,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/609a92362/8715efb785c346b7a61973c8988a196d/FLAGf1f02ecd7 [2021-12-14 18:57:39,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/609a92362/8715efb785c346b7a61973c8988a196d [2021-12-14 18:57:39,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:57:39,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:57:39,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:57:39,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:57:39,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:57:39,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:57:39" (1/1) ... [2021-12-14 18:57:39,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f17569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:39, skipping insertion in model container [2021-12-14 18:57:39,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:57:39" (1/1) ... [2021-12-14 18:57:39,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:57:39,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:57:42,246 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2021-12-14 18:57:42,249 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2021-12-14 18:57:42,250 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2021-12-14 18:57:42,250 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2021-12-14 18:57:42,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:57:42,320 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:57:42,678 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2021-12-14 18:57:42,679 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2021-12-14 18:57:42,680 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2021-12-14 18:57:42,680 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2021-12-14 18:57:42,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:57:42,883 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:57:42,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:42 WrapperNode [2021-12-14 18:57:42,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:57:42,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:57:42,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:57:42,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:57:42,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:42" (1/1) ... [2021-12-14 18:57:43,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:42" (1/1) ... [2021-12-14 18:57:43,288 INFO L137 Inliner]: procedures = 410, calls = 4510, calls flagged for inlining = 226, calls inlined = 200, statements flattened = 9274 [2021-12-14 18:57:43,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:57:43,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:57:43,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:57:43,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:57:43,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:42" (1/1) ... [2021-12-14 18:57:43,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:42" (1/1) ... [2021-12-14 18:57:43,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:42" (1/1) ... [2021-12-14 18:57:43,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:42" (1/1) ... [2021-12-14 18:57:43,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:42" (1/1) ... [2021-12-14 18:57:43,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:42" (1/1) ... [2021-12-14 18:57:43,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:42" (1/1) ... [2021-12-14 18:57:43,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:57:43,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:57:43,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:57:43,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:57:43,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:42" (1/1) ... [2021-12-14 18:57:43,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:57:43,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:57:43,664 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) [2021-12-14 18:57:43,686 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 [2021-12-14 18:57:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2021-12-14 18:57:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2021-12-14 18:57:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-12-14 18:57:43,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-12-14 18:57:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2021-12-14 18:57:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2021-12-14 18:57:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2021-12-14 18:57:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2021-12-14 18:57:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:57:43,703 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:57:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2021-12-14 18:57:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2021-12-14 18:57:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2021-12-14 18:57:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2021-12-14 18:57:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:57:43,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:57:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2021-12-14 18:57:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2021-12-14 18:57:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2021-12-14 18:57:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2021-12-14 18:57:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2021-12-14 18:57:43,705 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2021-12-14 18:57:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2021-12-14 18:57:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2021-12-14 18:57:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2021-12-14 18:57:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2021-12-14 18:57:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2021-12-14 18:57:43,706 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2021-12-14 18:57:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2021-12-14 18:57:43,707 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2021-12-14 18:57:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:57:43,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:57:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-12-14 18:57:43,707 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-12-14 18:57:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:57:43,708 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:57:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:57:43,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:57:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-14 18:57:43,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-12-14 18:57:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:57:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2021-12-14 18:57:43,709 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2021-12-14 18:57:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2021-12-14 18:57:43,709 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2021-12-14 18:57:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2021-12-14 18:57:43,709 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2021-12-14 18:57:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-12-14 18:57:43,710 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-12-14 18:57:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:57:43,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:57:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2021-12-14 18:57:43,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2021-12-14 18:57:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2021-12-14 18:57:43,710 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2021-12-14 18:57:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2021-12-14 18:57:43,710 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2021-12-14 18:57:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-12-14 18:57:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-12-14 18:57:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:57:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2021-12-14 18:57:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2021-12-14 18:57:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-12-14 18:57:43,711 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-12-14 18:57:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:57:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:57:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:57:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2021-12-14 18:57:43,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2021-12-14 18:57:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2021-12-14 18:57:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2021-12-14 18:57:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:57:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2021-12-14 18:57:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2021-12-14 18:57:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:57:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:57:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:57:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:57:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2021-12-14 18:57:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2021-12-14 18:57:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2021-12-14 18:57:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2021-12-14 18:57:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2021-12-14 18:57:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2021-12-14 18:57:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2021-12-14 18:57:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2021-12-14 18:57:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:57:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2021-12-14 18:57:43,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2021-12-14 18:57:43,760 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2021-12-14 18:57:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2021-12-14 18:57:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:57:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:57:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2021-12-14 18:57:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2021-12-14 18:57:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-12-14 18:57:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-12-14 18:57:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:57:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2021-12-14 18:57:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2021-12-14 18:57:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:57:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:57:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2021-12-14 18:57:43,761 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2021-12-14 18:57:43,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:57:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2021-12-14 18:57:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2021-12-14 18:57:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2021-12-14 18:57:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2021-12-14 18:57:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:57:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 18:57:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2021-12-14 18:57:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2021-12-14 18:57:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2021-12-14 18:57:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2021-12-14 18:57:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:57:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:57:43,762 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2021-12-14 18:57:43,762 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2021-12-14 18:57:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-14 18:57:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-14 18:57:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:57:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:57:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:57:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:57:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:57:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:57:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 18:57:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 18:57:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:57:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:57:43,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:57:43,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:57:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-12-14 18:57:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-12-14 18:57:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-14 18:57:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-14 18:57:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2021-12-14 18:57:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2021-12-14 18:57:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:57:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:57:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2021-12-14 18:57:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2021-12-14 18:57:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-12-14 18:57:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-12-14 18:57:43,764 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2021-12-14 18:57:43,764 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2021-12-14 18:57:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2021-12-14 18:57:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2021-12-14 18:57:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2021-12-14 18:57:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2021-12-14 18:57:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2021-12-14 18:57:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2021-12-14 18:57:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:57:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:57:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-14 18:57:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-14 18:57:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-14 18:57:43,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-14 18:57:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:57:43,765 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:57:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:57:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2021-12-14 18:57:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2021-12-14 18:57:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:57:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2021-12-14 18:57:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2021-12-14 18:57:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2021-12-14 18:57:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2021-12-14 18:57:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2021-12-14 18:57:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2021-12-14 18:57:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-14 18:57:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-14 18:57:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:57:43,766 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2021-12-14 18:57:43,766 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2021-12-14 18:57:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:57:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:57:43,767 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2021-12-14 18:57:43,767 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2021-12-14 18:57:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:57:43,771 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:57:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2021-12-14 18:57:43,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2021-12-14 18:57:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:57:43,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:57:43,772 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:57:43,772 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:57:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2021-12-14 18:57:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2021-12-14 18:57:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-14 18:57:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-14 18:57:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:57:43,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:57:43,773 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2021-12-14 18:57:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2021-12-14 18:57:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-14 18:57:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-14 18:57:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-12-14 18:57:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-12-14 18:57:43,774 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2021-12-14 18:57:43,774 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2021-12-14 18:57:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:57:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:57:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-14 18:57:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-14 18:57:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2021-12-14 18:57:43,775 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2021-12-14 18:57:43,775 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2021-12-14 18:57:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2021-12-14 18:57:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2021-12-14 18:57:43,776 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2021-12-14 18:57:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:57:43,776 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2021-12-14 18:57:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2021-12-14 18:57:43,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:57:43,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:57:43,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2021-12-14 18:57:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2021-12-14 18:57:43,778 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2021-12-14 18:57:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2021-12-14 18:57:43,778 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-12-14 18:57:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-12-14 18:57:43,778 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 18:57:43,778 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 18:57:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2021-12-14 18:57:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2021-12-14 18:57:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:57:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:57:43,779 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-14 18:57:43,779 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-14 18:57:43,780 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2021-12-14 18:57:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2021-12-14 18:57:43,780 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2021-12-14 18:57:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2021-12-14 18:57:43,780 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2021-12-14 18:57:43,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2021-12-14 18:57:43,781 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2021-12-14 18:57:43,781 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2021-12-14 18:57:43,781 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2021-12-14 18:57:43,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2021-12-14 18:57:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-12-14 18:57:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:57:43,784 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-12-14 18:57:43,784 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-12-14 18:57:43,785 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2021-12-14 18:57:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2021-12-14 18:57:43,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:57:43,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:57:44,751 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:57:44,761 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:57:45,119 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:58:00,851 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:58:01,020 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:58:01,045 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:58:01,045 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-14 18:58:01,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:01 BoogieIcfgContainer [2021-12-14 18:58:01,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:58:01,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:58:01,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:58:01,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:58:01,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:57:39" (1/3) ... [2021-12-14 18:58:01,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532dcf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:58:01, skipping insertion in model container [2021-12-14 18:58:01,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:57:42" (2/3) ... [2021-12-14 18:58:01,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532dcf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:58:01, skipping insertion in model container [2021-12-14 18:58:01,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:58:01" (3/3) ... [2021-12-14 18:58:01,057 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2021-12-14 18:58:01,061 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:58:01,061 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:58:01,114 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:58:01,124 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 [2021-12-14 18:58:01,124 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:58:01,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 2653 states, 1855 states have (on average 1.3067385444743935) internal successors, (2424), 1859 states have internal predecessors, (2424), 680 states have call successors, (680), 116 states have call predecessors, (680), 115 states have return successors, (672), 672 states have call predecessors, (672), 672 states have call successors, (672) [2021-12-14 18:58:01,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-12-14 18:58:01,218 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:58:01,219 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:58:01,220 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:58:01,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:58:01,224 INFO L85 PathProgramCache]: Analyzing trace with hash 2134277297, now seen corresponding path program 1 times [2021-12-14 18:58:01,232 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:58:01,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808582803] [2021-12-14 18:58:01,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:58:01,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:58:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:58:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:58:02,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:58:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:58:02,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:58:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:58:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:58:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:58:02,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:58:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:58:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:58:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:58:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:58:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:58:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:58:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:58:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:58:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:58:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:58:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:58:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:58:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:58:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:58:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:58:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:58:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:58:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:02,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:58:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:58:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:58:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:58:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:58:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:58:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:58:03,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:58:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:58:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:58:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-14 18:58:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-14 18:58:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:03,313 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-12-14 18:58:03,314 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:58:03,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808582803] [2021-12-14 18:58:03,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808582803] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:58:03,315 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:58:03,315 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:58:03,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034034534] [2021-12-14 18:58:03,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:58:03,322 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:58:03,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:58:03,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:58:03,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:58:03,352 INFO L87 Difference]: Start difference. First operand has 2653 states, 1855 states have (on average 1.3067385444743935) internal successors, (2424), 1859 states have internal predecessors, (2424), 680 states have call successors, (680), 116 states have call predecessors, (680), 115 states have return successors, (672), 672 states have call predecessors, (672), 672 states have call successors, (672) Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-14 18:58:10,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:58:10,091 INFO L93 Difference]: Finished difference Result 7752 states and 11399 transitions. [2021-12-14 18:58:10,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:58:10,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 430 [2021-12-14 18:58:10,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:58:10,141 INFO L225 Difference]: With dead ends: 7752 [2021-12-14 18:58:10,141 INFO L226 Difference]: Without dead ends: 5164 [2021-12-14 18:58:10,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:58:10,169 INFO L933 BasicCegarLoop]: 4266 mSDtfsCounter, 3862 mSDsluCounter, 5577 mSDsCounter, 0 mSdLazyCounter, 1544 mSolverCounterSat, 1413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4258 SdHoareTripleChecker+Valid, 9843 SdHoareTripleChecker+Invalid, 2957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1413 IncrementalHoareTripleChecker+Valid, 1544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-14 18:58:10,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4258 Valid, 9843 Invalid, 2957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1413 Valid, 1544 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-14 18:58:10,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5164 states. [2021-12-14 18:58:10,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5164 to 5092. [2021-12-14 18:58:10,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5092 states, 3585 states have (on average 1.306555090655509) internal successors, (4684), 3592 states have internal predecessors, (4684), 1278 states have call successors, (1278), 227 states have call predecessors, (1278), 226 states have return successors, (1274), 1274 states have call predecessors, (1274), 1274 states have call successors, (1274) [2021-12-14 18:58:10,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5092 states to 5092 states and 7236 transitions. [2021-12-14 18:58:10,556 INFO L78 Accepts]: Start accepts. Automaton has 5092 states and 7236 transitions. Word has length 430 [2021-12-14 18:58:10,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:58:10,558 INFO L470 AbstractCegarLoop]: Abstraction has 5092 states and 7236 transitions. [2021-12-14 18:58:10,558 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-12-14 18:58:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 5092 states and 7236 transitions. [2021-12-14 18:58:10,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2021-12-14 18:58:10,570 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:58:10,570 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:58:10,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:58:10,571 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:58:10,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:58:10,572 INFO L85 PathProgramCache]: Analyzing trace with hash -21813565, now seen corresponding path program 1 times [2021-12-14 18:58:10,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:58:10,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935000045] [2021-12-14 18:58:10,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:58:10,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:58:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:10,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:58:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:10,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:58:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:58:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:58:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:58:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:58:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:58:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:58:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:58:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:58:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:58:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:58:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:58:11,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:58:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:58:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:58:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:58:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:58:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:58:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:58:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:58:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:58:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:58:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:58:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:58:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:58:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:58:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:58:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:58:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:58:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:58:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:58:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:58:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:58:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:58:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:58:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-14 18:58:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-14 18:58:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-14 18:58:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-14 18:58:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-14 18:58:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-12-14 18:58:12,002 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:58:12,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935000045] [2021-12-14 18:58:12,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935000045] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:58:12,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:58:12,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:58:12,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776657657] [2021-12-14 18:58:12,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:58:12,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:58:12,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:58:12,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:58:12,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:58:12,008 INFO L87 Difference]: Start difference. First operand 5092 states and 7236 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-14 18:58:19,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:58:19,024 INFO L93 Difference]: Finished difference Result 12628 states and 17955 transitions. [2021-12-14 18:58:19,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:58:19,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 452 [2021-12-14 18:58:19,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:58:19,077 INFO L225 Difference]: With dead ends: 12628 [2021-12-14 18:58:19,078 INFO L226 Difference]: Without dead ends: 7613 [2021-12-14 18:58:19,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:58:19,107 INFO L933 BasicCegarLoop]: 4243 mSDtfsCounter, 3829 mSDsluCounter, 5563 mSDsCounter, 0 mSdLazyCounter, 1554 mSolverCounterSat, 1415 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 9806 SdHoareTripleChecker+Invalid, 2969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1415 IncrementalHoareTripleChecker+Valid, 1554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-14 18:58:19,108 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4227 Valid, 9806 Invalid, 2969 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1415 Valid, 1554 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-14 18:58:19,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7613 states. [2021-12-14 18:58:19,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7613 to 7490. [2021-12-14 18:58:19,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7490 states, 5289 states have (on average 1.3055397995840423) internal successors, (6905), 5302 states have internal predecessors, (6905), 1856 states have call successors, (1856), 343 states have call predecessors, (1856), 342 states have return successors, (1852), 1847 states have call predecessors, (1852), 1852 states have call successors, (1852) [2021-12-14 18:58:19,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7490 states to 7490 states and 10613 transitions. [2021-12-14 18:58:19,466 INFO L78 Accepts]: Start accepts. Automaton has 7490 states and 10613 transitions. Word has length 452 [2021-12-14 18:58:19,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:58:19,468 INFO L470 AbstractCegarLoop]: Abstraction has 7490 states and 10613 transitions. [2021-12-14 18:58:19,469 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-14 18:58:19,469 INFO L276 IsEmpty]: Start isEmpty. Operand 7490 states and 10613 transitions. [2021-12-14 18:58:19,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2021-12-14 18:58:19,483 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:58:19,483 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:58:19,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:58:19,484 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:58:19,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:58:19,484 INFO L85 PathProgramCache]: Analyzing trace with hash -600452051, now seen corresponding path program 1 times [2021-12-14 18:58:19,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:58:19,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991044840] [2021-12-14 18:58:19,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:58:19,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:58:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:19,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:58:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:19,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:19,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:19,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:58:19,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:19,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:19,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:58:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:19,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:58:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:58:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:58:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:58:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:58:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:58:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:58:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:58:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:58:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:58:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:58:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:58:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:58:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-14 18:58:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:58:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-14 18:58:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-14 18:58:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-14 18:58:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-14 18:58:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-14 18:58:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-14 18:58:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-14 18:58:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-14 18:58:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-14 18:58:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-14 18:58:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-14 18:58:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-14 18:58:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-14 18:58:20,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-12-14 18:58:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-14 18:58:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-14 18:58:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-14 18:58:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-14 18:58:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:58:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-14 18:58:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-14 18:58:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-14 18:58:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-14 18:58:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-14 18:58:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:58:20,787 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-12-14 18:58:20,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:58:20,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991044840] [2021-12-14 18:58:20,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991044840] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:58:20,789 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:58:20,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:58:20,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508090934] [2021-12-14 18:58:20,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:58:20,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:58:20,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:58:20,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:58:20,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:58:20,792 INFO L87 Difference]: Start difference. First operand 7490 states and 10613 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-14 18:58:26,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:58:26,051 INFO L93 Difference]: Finished difference Result 19888 states and 28186 transitions. [2021-12-14 18:58:26,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:58:26,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 451 [2021-12-14 18:58:26,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:58:26,128 INFO L225 Difference]: With dead ends: 19888 [2021-12-14 18:58:26,128 INFO L226 Difference]: Without dead ends: 12475 [2021-12-14 18:58:26,163 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:58:26,167 INFO L933 BasicCegarLoop]: 4311 mSDtfsCounter, 3830 mSDsluCounter, 5611 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 1395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 9922 SdHoareTripleChecker+Invalid, 2948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1395 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-14 18:58:26,169 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4227 Valid, 9922 Invalid, 2948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1395 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-14 18:58:26,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12475 states.