./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 0f8a17c6 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 0.2.1-dev-0f8a17c [2021-11-17 10:54:03,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 10:54:03,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 10:54:03,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 10:54:03,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 10:54:03,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 10:54:03,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 10:54:03,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 10:54:03,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 10:54:03,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 10:54:03,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 10:54:03,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 10:54:03,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 10:54:03,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 10:54:03,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 10:54:03,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 10:54:03,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 10:54:03,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 10:54:03,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 10:54:03,595 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 10:54:03,601 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 10:54:03,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 10:54:03,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 10:54:03,604 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 10:54:03,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 10:54:03,606 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 10:54:03,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 10:54:03,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 10:54:03,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 10:54:03,612 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 10:54:03,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 10:54:03,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 10:54:03,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 10:54:03,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 10:54:03,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 10:54:03,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 10:54:03,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 10:54:03,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 10:54:03,614 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 10:54:03,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 10:54:03,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 10:54:03,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 10:54:03,630 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 10:54:03,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 10:54:03,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 10:54:03,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 10:54:03,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 10:54:03,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 10:54:03,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 10:54:03,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 10:54:03,632 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 10:54:03,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 10:54:03,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 10:54:03,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 10:54:03,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 10:54:03,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 10:54:03,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 10:54:03,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 10:54:03,633 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 10:54:03,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 10:54:03,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 10:54:03,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 10:54:03,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 10:54:03,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:54:03,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 10:54:03,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 10:54:03,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 10:54:03,635 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 10:54:03,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 10:54:03,637 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 10:54:03,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 10:54:03,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 10:54:03,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 10:54:03,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2021-11-17 10:54:03,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 10:54:03,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 10:54:03,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 10:54:03,844 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 10:54:03,844 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 10:54:03,846 INFO L432 ainManager$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 [2021-11-17 10:54:03,896 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95d1378de/906af24a348a4583b25f194693898e99/FLAG327282ec3 [2021-11-17 10:54:04,539 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 10:54:04,539 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 [2021-11-17 10:54:04,596 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95d1378de/906af24a348a4583b25f194693898e99/FLAG327282ec3 [2021-11-17 10:54:04,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95d1378de/906af24a348a4583b25f194693898e99 [2021-11-17 10:54:04,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 10:54:04,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 10:54:04,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 10:54:04,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 10:54:04,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 10:54:04,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:54:04" (1/1) ... [2021-11-17 10:54:04,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d53ea43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:04, skipping insertion in model container [2021-11-17 10:54:04,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:54:04" (1/1) ... [2021-11-17 10:54:04,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 10:54:04,766 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 10:54:06,922 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] [2021-11-17 10:54:06,924 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] [2021-11-17 10:54:06,925 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] [2021-11-17 10:54:06,925 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] [2021-11-17 10:54:06,934 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:54:06,960 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 10:54:07,297 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] [2021-11-17 10:54:07,298 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] [2021-11-17 10:54:07,299 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] [2021-11-17 10:54:07,299 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] [2021-11-17 10:54:07,302 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:54:07,441 INFO L208 MainTranslator]: Completed translation [2021-11-17 10:54:07,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:07 WrapperNode [2021-11-17 10:54:07,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 10:54:07,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 10:54:07,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 10:54:07,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 10:54:07,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:07" (1/1) ... [2021-11-17 10:54:07,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:07" (1/1) ... [2021-11-17 10:54:07,745 INFO L137 Inliner]: procedures = 410, calls = 4510, calls flagged for inlining = 226, calls inlined = 200, statements flattened = 9262 [2021-11-17 10:54:07,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 10:54:07,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 10:54:07,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 10:54:07,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 10:54:07,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:07" (1/1) ... [2021-11-17 10:54:07,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:07" (1/1) ... [2021-11-17 10:54:07,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:07" (1/1) ... [2021-11-17 10:54:07,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:07" (1/1) ... [2021-11-17 10:54:07,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:07" (1/1) ... [2021-11-17 10:54:07,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:07" (1/1) ... [2021-11-17 10:54:08,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:07" (1/1) ... [2021-11-17 10:54:08,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 10:54:08,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 10:54:08,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 10:54:08,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 10:54:08,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:07" (1/1) ... [2021-11-17 10:54:08,098 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:54:08,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:54:08,128 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) [2021-11-17 10:54:08,158 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 [2021-11-17 10:54:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2021-11-17 10:54:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2021-11-17 10:54:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-11-17 10:54:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-11-17 10:54:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2021-11-17 10:54:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2021-11-17 10:54:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2021-11-17 10:54:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2021-11-17 10:54:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 10:54:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 10:54:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2021-11-17 10:54:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2021-11-17 10:54:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2021-11-17 10:54:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2021-11-17 10:54:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 10:54:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 10:54:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2021-11-17 10:54:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2021-11-17 10:54:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2021-11-17 10:54:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2021-11-17 10:54:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2021-11-17 10:54:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2021-11-17 10:54:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2021-11-17 10:54:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2021-11-17 10:54:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2021-11-17 10:54:08,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2021-11-17 10:54:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2021-11-17 10:54:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2021-11-17 10:54:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2021-11-17 10:54:08,177 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2021-11-17 10:54:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 10:54:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 10:54:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-17 10:54:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-17 10:54:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 10:54:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 10:54:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 10:54:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 10:54:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-17 10:54:08,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-17 10:54:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 10:54:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2021-11-17 10:54:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2021-11-17 10:54:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2021-11-17 10:54:08,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2021-11-17 10:54:08,179 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2021-11-17 10:54:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2021-11-17 10:54:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-17 10:54:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-17 10:54:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 10:54:08,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 10:54:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2021-11-17 10:54:08,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2021-11-17 10:54:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2021-11-17 10:54:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2021-11-17 10:54:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2021-11-17 10:54:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2021-11-17 10:54:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-17 10:54:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-17 10:54:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 10:54:08,182 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2021-11-17 10:54:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2021-11-17 10:54:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-11-17 10:54:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-11-17 10:54:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 10:54:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 10:54:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 10:54:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2021-11-17 10:54:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2021-11-17 10:54:08,183 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2021-11-17 10:54:08,183 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2021-11-17 10:54:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 10:54:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2021-11-17 10:54:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2021-11-17 10:54:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 10:54:08,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 10:54:08,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 10:54:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 10:54:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2021-11-17 10:54:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2021-11-17 10:54:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2021-11-17 10:54:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2021-11-17 10:54:08,185 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2021-11-17 10:54:08,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2021-11-17 10:54:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2021-11-17 10:54:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2021-11-17 10:54:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 10:54:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2021-11-17 10:54:08,186 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2021-11-17 10:54:08,186 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2021-11-17 10:54:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2021-11-17 10:54:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 10:54:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 10:54:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2021-11-17 10:54:08,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2021-11-17 10:54:08,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 10:54:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 10:54:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 10:54:08,188 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2021-11-17 10:54:08,188 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2021-11-17 10:54:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 10:54:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 10:54:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2021-11-17 10:54:08,189 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2021-11-17 10:54:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 10:54:08,189 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2021-11-17 10:54:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2021-11-17 10:54:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2021-11-17 10:54:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2021-11-17 10:54:08,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 10:54:08,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 10:54:08,191 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2021-11-17 10:54:08,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2021-11-17 10:54:08,193 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2021-11-17 10:54:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2021-11-17 10:54:08,194 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 10:54:08,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 10:54:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2021-11-17 10:54:08,195 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2021-11-17 10:54:08,195 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-17 10:54:08,195 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-17 10:54:08,196 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 10:54:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 10:54:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 10:54:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 10:54:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 10:54:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 10:54:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-17 10:54:08,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-17 10:54:08,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 10:54:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 10:54:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 10:54:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 10:54:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-11-17 10:54:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-11-17 10:54:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-17 10:54:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-17 10:54:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2021-11-17 10:54:08,201 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2021-11-17 10:54:08,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 10:54:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 10:54:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2021-11-17 10:54:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2021-11-17 10:54:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-17 10:54:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-17 10:54:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2021-11-17 10:54:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2021-11-17 10:54:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2021-11-17 10:54:08,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2021-11-17 10:54:08,202 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2021-11-17 10:54:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2021-11-17 10:54:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2021-11-17 10:54:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2021-11-17 10:54:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 10:54:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 10:54:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 10:54:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 10:54:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-17 10:54:08,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-17 10:54:08,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 10:54:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 10:54:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 10:54:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2021-11-17 10:54:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2021-11-17 10:54:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 10:54:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2021-11-17 10:54:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2021-11-17 10:54:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2021-11-17 10:54:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2021-11-17 10:54:08,204 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2021-11-17 10:54:08,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2021-11-17 10:54:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-17 10:54:08,205 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-17 10:54:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 10:54:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2021-11-17 10:54:08,205 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2021-11-17 10:54:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 10:54:08,205 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 10:54:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2021-11-17 10:54:08,205 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2021-11-17 10:54:08,205 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 10:54:08,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 10:54:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2021-11-17 10:54:08,206 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2021-11-17 10:54:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 10:54:08,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 10:54:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 10:54:08,206 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 10:54:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2021-11-17 10:54:08,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2021-11-17 10:54:08,206 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-17 10:54:08,207 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-17 10:54:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 10:54:08,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 10:54:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2021-11-17 10:54:08,207 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2021-11-17 10:54:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-17 10:54:08,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-17 10:54:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-11-17 10:54:08,207 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-11-17 10:54:08,207 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2021-11-17 10:54:08,208 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2021-11-17 10:54:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 10:54:08,208 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 10:54:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-17 10:54:08,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-17 10:54:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2021-11-17 10:54:08,208 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2021-11-17 10:54:08,208 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2021-11-17 10:54:08,209 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2021-11-17 10:54:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2021-11-17 10:54:08,209 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2021-11-17 10:54:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 10:54:08,209 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2021-11-17 10:54:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2021-11-17 10:54:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 10:54:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 10:54:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2021-11-17 10:54:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2021-11-17 10:54:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2021-11-17 10:54:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2021-11-17 10:54:08,210 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-17 10:54:08,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-17 10:54:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 10:54:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 10:54:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2021-11-17 10:54:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2021-11-17 10:54:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 10:54:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 10:54:08,211 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 10:54:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 10:54:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2021-11-17 10:54:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2021-11-17 10:54:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2021-11-17 10:54:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2021-11-17 10:54:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2021-11-17 10:54:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2021-11-17 10:54:08,212 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2021-11-17 10:54:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2021-11-17 10:54:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2021-11-17 10:54:08,215 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2021-11-17 10:54:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-17 10:54:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 10:54:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-17 10:54:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-17 10:54:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2021-11-17 10:54:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2021-11-17 10:54:08,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 10:54:08,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 10:54:09,035 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 10:54:09,037 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 10:54:09,372 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 10:54:25,176 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 10:54:25,326 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 10:54:25,350 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 10:54:25,350 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 10:54:25,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:54:25 BoogieIcfgContainer [2021-11-17 10:54:25,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 10:54:25,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 10:54:25,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 10:54:25,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 10:54:25,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:54:04" (1/3) ... [2021-11-17 10:54:25,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b52a834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:54:25, skipping insertion in model container [2021-11-17 10:54:25,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:54:07" (2/3) ... [2021-11-17 10:54:25,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b52a834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:54:25, skipping insertion in model container [2021-11-17 10:54:25,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:54:25" (3/3) ... [2021-11-17 10:54:25,360 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2021-11-17 10:54:25,366 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 10:54:25,366 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 10:54:25,420 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 10:54:25,430 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 [2021-11-17 10:54:25,430 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 10:54:25,485 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) [2021-11-17 10:54:25,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-11-17 10:54:25,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:54:25,516 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] [2021-11-17 10:54:25,517 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)] === [2021-11-17 10:54:25,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:54:25,521 INFO L85 PathProgramCache]: Analyzing trace with hash 2134277297, now seen corresponding path program 1 times [2021-11-17 10:54:25,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:54:25,529 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203518749] [2021-11-17 10:54:25,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:54:25,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:54:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:54:26,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:54:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:54:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:54:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:54:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:54:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:54:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:54:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:54:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:54:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:54:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:54:26,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:54:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:54:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:54:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:54:26,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:54:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:54:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:54:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:54:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:54:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:54:26,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:54:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:54:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:54:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:54:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:54:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:54:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:54:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:54:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:54:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:54:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:54:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:54:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:54:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:54:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:27,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:27,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:54:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:27,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-17 10:54:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:27,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-17 10:54:27,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:54:27,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203518749] [2021-11-17 10:54:27,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203518749] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:54:27,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:54:27,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:54:27,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905015032] [2021-11-17 10:54:27,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:54:27,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:54:27,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:54:27,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:54:27,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:54:27,079 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) [2021-11-17 10:54:29,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:54:31,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:54:36,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:54:36,572 INFO L93 Difference]: Finished difference Result 7752 states and 11399 transitions. [2021-11-17 10:54:36,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:54:36,585 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 [2021-11-17 10:54:36,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:54:36,631 INFO L225 Difference]: With dead ends: 7752 [2021-11-17 10:54:36,631 INFO L226 Difference]: Without dead ends: 5164 [2021-11-17 10:54:36,653 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 [2021-11-17 10:54:36,658 INFO L933 BasicCegarLoop]: 4266 mSDtfsCounter, 3862 mSDsluCounter, 5577 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 1413 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4258 SdHoareTripleChecker+Valid, 9843 SdHoareTripleChecker+Invalid, 2957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1413 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:54:36,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4258 Valid, 9843 Invalid, 2957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1413 Valid, 1542 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2021-11-17 10:54:36,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5164 states. [2021-11-17 10:54:36,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5164 to 5092. [2021-11-17 10:54:36,956 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) [2021-11-17 10:54:36,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5092 states to 5092 states and 7236 transitions. [2021-11-17 10:54:36,988 INFO L78 Accepts]: Start accepts. Automaton has 5092 states and 7236 transitions. Word has length 430 [2021-11-17 10:54:36,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:54:36,992 INFO L470 AbstractCegarLoop]: Abstraction has 5092 states and 7236 transitions. [2021-11-17 10:54:36,992 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) [2021-11-17 10:54:36,992 INFO L276 IsEmpty]: Start isEmpty. Operand 5092 states and 7236 transitions. [2021-11-17 10:54:37,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2021-11-17 10:54:37,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:54:37,005 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] [2021-11-17 10:54:37,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 10:54:37,006 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)] === [2021-11-17 10:54:37,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:54:37,006 INFO L85 PathProgramCache]: Analyzing trace with hash -21813565, now seen corresponding path program 1 times [2021-11-17 10:54:37,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:54:37,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443904529] [2021-11-17 10:54:37,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:54:37,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:54:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:54:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:54:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:54:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:54:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:54:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:54:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:54:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:54:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:54:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:54:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:54:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:54:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:54:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:54:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:54:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:54:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:54:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:54:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:54:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:54:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:54:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:54:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:54:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:54:37,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:54:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:54:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:54:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:54:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:54:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:54:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:54:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:54:37,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:37,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:54:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:54:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:54:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:54:38,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:54:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 10:54:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 10:54:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 10:54:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 10:54:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:38,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-17 10:54:38,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:54:38,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443904529] [2021-11-17 10:54:38,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443904529] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:54:38,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:54:38,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:54:38,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127182185] [2021-11-17 10:54:38,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:54:38,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:54:38,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:54:38,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:54:38,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:54:38,121 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) [2021-11-17 10:54:40,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:54:42,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:54:47,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:54:47,223 INFO L93 Difference]: Finished difference Result 12628 states and 17955 transitions. [2021-11-17 10:54:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:54:47,224 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 [2021-11-17 10:54:47,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:54:47,262 INFO L225 Difference]: With dead ends: 12628 [2021-11-17 10:54:47,262 INFO L226 Difference]: Without dead ends: 7613 [2021-11-17 10:54:47,278 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 [2021-11-17 10:54:47,279 INFO L933 BasicCegarLoop]: 4243 mSDtfsCounter, 3829 mSDsluCounter, 5563 mSDsCounter, 0 mSdLazyCounter, 1552 mSolverCounterSat, 1415 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 9806 SdHoareTripleChecker+Invalid, 2969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1415 IncrementalHoareTripleChecker+Valid, 1552 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-11-17 10:54:47,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4227 Valid, 9806 Invalid, 2969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1415 Valid, 1552 Invalid, 2 Unknown, 0 Unchecked, 8.7s Time] [2021-11-17 10:54:47,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7613 states. [2021-11-17 10:54:47,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7613 to 7490. [2021-11-17 10:54:47,495 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) [2021-11-17 10:54:47,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7490 states to 7490 states and 10613 transitions. [2021-11-17 10:54:47,522 INFO L78 Accepts]: Start accepts. Automaton has 7490 states and 10613 transitions. Word has length 452 [2021-11-17 10:54:47,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:54:47,523 INFO L470 AbstractCegarLoop]: Abstraction has 7490 states and 10613 transitions. [2021-11-17 10:54:47,524 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) [2021-11-17 10:54:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 7490 states and 10613 transitions. [2021-11-17 10:54:47,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2021-11-17 10:54:47,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:54:47,532 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] [2021-11-17 10:54:47,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 10:54:47,533 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)] === [2021-11-17 10:54:47,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:54:47,533 INFO L85 PathProgramCache]: Analyzing trace with hash -600452051, now seen corresponding path program 1 times [2021-11-17 10:54:47,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:54:47,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156608632] [2021-11-17 10:54:47,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:54:47,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:54:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:54:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:54:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:54:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:54:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:54:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:54:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:54:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:54:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:54:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:54:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:54:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:54:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:54:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:54:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:54:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:54:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:54:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:54:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:54:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:54:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:54:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:54:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:54:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:54:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:54:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:54:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:54:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:54:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:54:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:54:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:54:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:54:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:54:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:54:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:54:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:54:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:54:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-11-17 10:54:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 10:54:48,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 10:54:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 10:54:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-17 10:54:48,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:54:48,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156608632] [2021-11-17 10:54:48,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156608632] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:54:48,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:54:48,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:54:48,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430270248] [2021-11-17 10:54:48,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:54:48,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:54:48,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:54:48,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:54:48,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:54:48,473 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) [2021-11-17 10:54:50,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:54:52,583 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:54:57,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:54:57,197 INFO L93 Difference]: Finished difference Result 19888 states and 28186 transitions. [2021-11-17 10:54:57,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:54:57,199 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 [2021-11-17 10:54:57,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:54:57,274 INFO L225 Difference]: With dead ends: 19888 [2021-11-17 10:54:57,274 INFO L226 Difference]: Without dead ends: 12475 [2021-11-17 10:54:57,307 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 [2021-11-17 10:54:57,311 INFO L933 BasicCegarLoop]: 4311 mSDtfsCounter, 3830 mSDsluCounter, 5611 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 1395 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4227 SdHoareTripleChecker+Valid, 9922 SdHoareTripleChecker+Invalid, 2948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1395 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-11-17 10:54:57,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4227 Valid, 9922 Invalid, 2948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1395 Valid, 1551 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2021-11-17 10:54:57,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12475 states. [2021-11-17 10:54:57,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12475 to 12286. [2021-11-17 10:54:57,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12286 states, 8697 states have (on average 1.3047027710704842) internal successors, (11347), 8722 states have internal predecessors, (11347), 3012 states have call successors, (3012), 575 states have call predecessors, (3012), 574 states have return successors, (3008), 2993 states have call predecessors, (3008), 3008 states have call successors, (3008) [2021-11-17 10:54:57,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12286 states to 12286 states and 17367 transitions. [2021-11-17 10:54:57,862 INFO L78 Accepts]: Start accepts. Automaton has 12286 states and 17367 transitions. Word has length 451 [2021-11-17 10:54:57,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:54:57,862 INFO L470 AbstractCegarLoop]: Abstraction has 12286 states and 17367 transitions. [2021-11-17 10:54:57,863 INFO L471 AbstractCegarLoop]: INTERPOLANT 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) [2021-11-17 10:54:57,863 INFO L276 IsEmpty]: Start isEmpty. Operand 12286 states and 17367 transitions. [2021-11-17 10:54:57,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-11-17 10:54:57,870 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:54:57,870 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, 1] [2021-11-17 10:54:57,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 10:54:57,871 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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)] === [2021-11-17 10:54:57,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:54:57,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1676448880, now seen corresponding path program 1 times [2021-11-17 10:54:57,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:54:57,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211898148] [2021-11-17 10:54:57,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:54:57,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:54:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:54:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:54:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:54:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:54:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:54:58,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:54:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:54:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:54:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:54:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:54:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:54:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:54:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:54:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:54:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:54:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:54:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:54:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:54:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:54:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:54:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:54:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:54:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:54:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:54:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:54:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:54:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:54:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:54:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:54:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:54:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:54:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:54:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:54:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:54:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:54:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:54:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:54:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:54:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 10:54:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 10:54:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 10:54:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 10:54:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:54:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-17 10:54:58,775 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:54:58,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211898148] [2021-11-17 10:54:58,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211898148] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:54:58,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:54:58,776 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:54:58,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760041803] [2021-11-17 10:54:58,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:54:58,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:54:58,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:54:58,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:54:58,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:54:58,777 INFO L87 Difference]: Start difference. First operand 12286 states and 17367 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-11-17 10:55:00,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:55:02,898 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:55:07,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:55:07,348 INFO L93 Difference]: Finished difference Result 33852 states and 47873 transitions. [2021-11-17 10:55:07,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:55:07,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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 453 [2021-11-17 10:55:07,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:55:07,430 INFO L225 Difference]: With dead ends: 33852 [2021-11-17 10:55:07,430 INFO L226 Difference]: Without dead ends: 21643 [2021-11-17 10:55:07,473 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 [2021-11-17 10:55:07,474 INFO L933 BasicCegarLoop]: 4700 mSDtfsCounter, 3777 mSDsluCounter, 5854 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 1310 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4175 SdHoareTripleChecker+Valid, 10554 SdHoareTripleChecker+Invalid, 2879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1310 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:55:07,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4175 Valid, 10554 Invalid, 2879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1310 Valid, 1567 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2021-11-17 10:55:07,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21643 states. [2021-11-17 10:55:08,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21643 to 21320. [2021-11-17 10:55:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21320 states, 15117 states have (on average 1.304690084011378) internal successors, (19723), 15166 states have internal predecessors, (19723), 5192 states have call successors, (5192), 1009 states have call predecessors, (5192), 1008 states have return successors, (5188), 5153 states have call predecessors, (5188), 5188 states have call successors, (5188) [2021-11-17 10:55:08,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21320 states to 21320 states and 30103 transitions. [2021-11-17 10:55:08,160 INFO L78 Accepts]: Start accepts. Automaton has 21320 states and 30103 transitions. Word has length 453 [2021-11-17 10:55:08,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:55:08,162 INFO L470 AbstractCegarLoop]: Abstraction has 21320 states and 30103 transitions. [2021-11-17 10:55:08,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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) [2021-11-17 10:55:08,162 INFO L276 IsEmpty]: Start isEmpty. Operand 21320 states and 30103 transitions. [2021-11-17 10:55:08,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2021-11-17 10:55:08,167 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:55:08,167 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:55:08,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 10:55:08,168 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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)] === [2021-11-17 10:55:08,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:55:08,168 INFO L85 PathProgramCache]: Analyzing trace with hash -166625702, now seen corresponding path program 1 times [2021-11-17 10:55:08,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:55:08,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38722640] [2021-11-17 10:55:08,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:55:08,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:55:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:55:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:55:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:55:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:55:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:55:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:55:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:55:08,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:55:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:55:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:55:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:55:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:55:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:55:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:55:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:55:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:55:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:55:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:55:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:55:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:55:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:55:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:55:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:55:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:55:08,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:55:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:55:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:55:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:55:08,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:55:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:55:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:55:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:55:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:55:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:55:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:55:08,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:55:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:08,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:55:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:09,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 10:55:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:09,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 10:55:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:09,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 10:55:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5781 trivial. 0 not checked. [2021-11-17 10:55:09,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:55:09,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38722640] [2021-11-17 10:55:09,022 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38722640] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:55:09,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:55:09,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:55:09,023 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104592739] [2021-11-17 10:55:09,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:55:09,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:55:09,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:55:09,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:55:09,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:55:09,025 INFO L87 Difference]: Start difference. First operand 21320 states and 30103 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-17 10:55:11,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:55:13,138 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:55:17,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:55:17,478 INFO L93 Difference]: Finished difference Result 62745 states and 88633 transitions. [2021-11-17 10:55:17,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:55:17,479 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 457 [2021-11-17 10:55:17,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:55:17,650 INFO L225 Difference]: With dead ends: 62745 [2021-11-17 10:55:17,650 INFO L226 Difference]: Without dead ends: 41502 [2021-11-17 10:55:17,731 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:55:17,732 INFO L933 BasicCegarLoop]: 4503 mSDtfsCounter, 3691 mSDsluCounter, 5713 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 1335 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4092 SdHoareTripleChecker+Valid, 10216 SdHoareTripleChecker+Invalid, 2880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1335 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-11-17 10:55:17,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4092 Valid, 10216 Invalid, 2880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1335 Valid, 1543 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2021-11-17 10:55:17,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41502 states. [2021-11-17 10:55:18,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41502 to 40894. [2021-11-17 10:55:18,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40894 states, 29052 states have (on average 1.3046261875258158) internal successors, (37902), 29166 states have internal predecessors, (37902), 9902 states have call successors, (9902), 1938 states have call predecessors, (9902), 1937 states have return successors, (9898), 9807 states have call predecessors, (9898), 9898 states have call successors, (9898) [2021-11-17 10:55:19,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40894 states to 40894 states and 57702 transitions. [2021-11-17 10:55:19,151 INFO L78 Accepts]: Start accepts. Automaton has 40894 states and 57702 transitions. Word has length 457 [2021-11-17 10:55:19,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:55:19,152 INFO L470 AbstractCegarLoop]: Abstraction has 40894 states and 57702 transitions. [2021-11-17 10:55:19,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (45), 3 states have call predecessors, (45), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-17 10:55:19,152 INFO L276 IsEmpty]: Start isEmpty. Operand 40894 states and 57702 transitions. [2021-11-17 10:55:19,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2021-11-17 10:55:19,159 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:55:19,160 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:55:19,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 10:55:19,160 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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)] === [2021-11-17 10:55:19,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:55:19,161 INFO L85 PathProgramCache]: Analyzing trace with hash -352578055, now seen corresponding path program 1 times [2021-11-17 10:55:19,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:55:19,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98512219] [2021-11-17 10:55:19,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:55:19,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:55:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:55:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:55:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:55:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:55:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:55:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:55:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:55:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:55:19,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:55:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:55:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:55:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:55:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:55:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:55:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:55:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:55:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:55:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:55:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:55:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:55:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:55:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:55:19,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:55:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:55:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:55:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:55:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:55:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:55:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:55:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:55:19,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:55:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:19,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:55:19,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:55:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:55:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:55:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:55:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:55:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 10:55:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 10:55:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 10:55:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 10:55:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 10:55:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5784 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5784 trivial. 0 not checked. [2021-11-17 10:55:20,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:55:20,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98512219] [2021-11-17 10:55:20,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98512219] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:55:20,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:55:20,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:55:20,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528451041] [2021-11-17 10:55:20,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:55:20,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:55:20,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:55:20,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:55:20,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:55:20,131 INFO L87 Difference]: Start difference. First operand 40894 states and 57702 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-17 10:55:22,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:55:24,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:55:26,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:55:33,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:55:35,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:55:39,642 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:55:43,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:55:45,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:55:45,286 INFO L93 Difference]: Finished difference Result 100979 states and 142495 transitions. [2021-11-17 10:55:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:55:45,291 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 472 [2021-11-17 10:55:45,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:55:45,684 INFO L225 Difference]: With dead ends: 100979 [2021-11-17 10:55:45,685 INFO L226 Difference]: Without dead ends: 60162 [2021-11-17 10:55:45,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 10:55:45,909 INFO L933 BasicCegarLoop]: 4024 mSDtfsCounter, 3193 mSDsluCounter, 7148 mSDsCounter, 0 mSdLazyCounter, 2979 mSolverCounterSat, 2395 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3491 SdHoareTripleChecker+Valid, 11172 SdHoareTripleChecker+Invalid, 5381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2395 IncrementalHoareTripleChecker+Valid, 2979 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2021-11-17 10:55:45,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3491 Valid, 11172 Invalid, 5381 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2395 Valid, 2979 Invalid, 7 Unknown, 0 Unchecked, 23.5s Time] [2021-11-17 10:55:45,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60162 states. [2021-11-17 10:55:47,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60162 to 57968. [2021-11-17 10:55:47,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57968 states, 41470 states have (on average 1.2961417892452376) internal successors, (53751), 41706 states have internal predecessors, (53751), 13428 states have call successors, (13428), 3068 states have call predecessors, (13428), 3067 states have return successors, (13424), 13209 states have call predecessors, (13424), 13424 states have call successors, (13424) [2021-11-17 10:55:48,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57968 states to 57968 states and 80603 transitions. [2021-11-17 10:55:48,257 INFO L78 Accepts]: Start accepts. Automaton has 57968 states and 80603 transitions. Word has length 472 [2021-11-17 10:55:48,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:55:48,258 INFO L470 AbstractCegarLoop]: Abstraction has 57968 states and 80603 transitions. [2021-11-17 10:55:48,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2021-11-17 10:55:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 57968 states and 80603 transitions. [2021-11-17 10:55:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2021-11-17 10:55:48,263 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:55:48,264 INFO L514 BasicCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:55:48,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 10:55:48,264 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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)] === [2021-11-17 10:55:48,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:55:48,265 INFO L85 PathProgramCache]: Analyzing trace with hash 1134466250, now seen corresponding path program 1 times [2021-11-17 10:55:48,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:55:48,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824826557] [2021-11-17 10:55:48,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:55:48,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:55:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:55:48,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:55:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:55:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:55:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:55:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:55:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:55:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:55:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:55:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:55:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:55:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:55:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:55:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:55:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:55:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:55:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:55:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:55:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:55:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:55:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:55:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:55:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:55:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:55:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:55:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:55:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:55:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:55:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:55:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:55:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:55:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:55:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:55:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:55:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:55:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:55:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:55:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:55:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 10:55:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 10:55:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 10:55:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-11-17 10:55:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 10:55:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:55:49,362 INFO L134 CoverageAnalysis]: Checked inductivity of 5903 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5892 trivial. 0 not checked. [2021-11-17 10:55:49,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:55:49,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824826557] [2021-11-17 10:55:49,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824826557] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:55:49,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:55:49,362 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:55:49,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336087947] [2021-11-17 10:55:49,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:55:49,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:55:49,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:55:49,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:55:49,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:55:49,365 INFO L87 Difference]: Start difference. First operand 57968 states and 80603 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 10:55:51,420 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:55:53,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:56:00,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:56:00,076 INFO L93 Difference]: Finished difference Result 172919 states and 240736 transitions. [2021-11-17 10:56:00,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:56:00,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 484 [2021-11-17 10:56:00,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:56:00,863 INFO L225 Difference]: With dead ends: 172919 [2021-11-17 10:56:00,863 INFO L226 Difference]: Without dead ends: 115028 [2021-11-17 10:56:01,170 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:56:01,171 INFO L933 BasicCegarLoop]: 6933 mSDtfsCounter, 3598 mSDsluCounter, 7254 mSDsCounter, 0 mSdLazyCounter, 1692 mSolverCounterSat, 828 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4005 SdHoareTripleChecker+Valid, 14187 SdHoareTripleChecker+Invalid, 2522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 828 IncrementalHoareTripleChecker+Valid, 1692 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-17 10:56:01,172 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4005 Valid, 14187 Invalid, 2522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [828 Valid, 1692 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2021-11-17 10:56:01,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115028 states. [2021-11-17 10:56:04,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115028 to 113437. [2021-11-17 10:56:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113437 states, 81049 states have (on average 1.2971905884094808) internal successors, (105136), 81515 states have internal predecessors, (105136), 26410 states have call successors, (26410), 6008 states have call predecessors, (26410), 5975 states have return successors, (26406), 25945 states have call predecessors, (26406), 26406 states have call successors, (26406) [2021-11-17 10:56:04,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113437 states to 113437 states and 157952 transitions. [2021-11-17 10:56:04,995 INFO L78 Accepts]: Start accepts. Automaton has 113437 states and 157952 transitions. Word has length 484 [2021-11-17 10:56:04,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:56:04,996 INFO L470 AbstractCegarLoop]: Abstraction has 113437 states and 157952 transitions. [2021-11-17 10:56:04,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 3 states have call successors, (47), 3 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 10:56:04,997 INFO L276 IsEmpty]: Start isEmpty. Operand 113437 states and 157952 transitions. [2021-11-17 10:56:05,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-11-17 10:56:05,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:56:05,001 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:56:05,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 10:56:05,001 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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)] === [2021-11-17 10:56:05,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:56:05,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1457884009, now seen corresponding path program 1 times [2021-11-17 10:56:05,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:56:05,002 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096406760] [2021-11-17 10:56:05,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:56:05,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:56:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:56:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:56:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:56:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:56:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:56:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:56:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:56:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:56:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:56:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:56:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:56:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:56:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:56:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:56:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:56:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:56:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:56:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:56:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:56:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:56:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:56:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:56:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:56:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:56:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:56:05,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:56:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:56:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:56:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:56:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:56:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:56:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:56:05,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:56:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:56:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:56:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:56:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:05,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:56:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:06,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 10:56:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:06,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 10:56:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:06,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 10:56:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:06,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 10:56:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:06,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 10:56:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:06,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 10:56:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 10:56:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6144 trivial. 0 not checked. [2021-11-17 10:56:06,093 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:56:06,093 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096406760] [2021-11-17 10:56:06,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096406760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:56:06,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:56:06,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:56:06,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985368429] [2021-11-17 10:56:06,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:56:06,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:56:06,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:56:06,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:56:06,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:56:06,095 INFO L87 Difference]: Start difference. First operand 113437 states and 157952 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 10:56:08,202 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:56:10,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:56:19,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:56:19,603 INFO L93 Difference]: Finished difference Result 337762 states and 470695 transitions. [2021-11-17 10:56:19,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:56:19,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 493 [2021-11-17 10:56:19,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:56:20,637 INFO L225 Difference]: With dead ends: 337762 [2021-11-17 10:56:20,637 INFO L226 Difference]: Without dead ends: 224617 [2021-11-17 10:56:21,048 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:56:21,049 INFO L933 BasicCegarLoop]: 7076 mSDtfsCounter, 3455 mSDsluCounter, 7345 mSDsCounter, 0 mSdLazyCounter, 1721 mSolverCounterSat, 796 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3846 SdHoareTripleChecker+Valid, 14421 SdHoareTripleChecker+Invalid, 2519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1721 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2021-11-17 10:56:21,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3846 Valid, 14421 Invalid, 2519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1721 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2021-11-17 10:56:21,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224617 states. [2021-11-17 10:56:27,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224617 to 221589. [2021-11-17 10:56:27,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221589 states, 158645 states have (on average 1.2969838318257745) internal successors, (205760), 159175 states have internal predecessors, (205760), 51226 states have call successors, (51226), 11748 states have call predecessors, (51226), 11715 states have return successors, (51222), 50729 states have call predecessors, (51222), 51222 states have call successors, (51222) [2021-11-17 10:56:29,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221589 states to 221589 states and 308208 transitions. [2021-11-17 10:56:29,059 INFO L78 Accepts]: Start accepts. Automaton has 221589 states and 308208 transitions. Word has length 493 [2021-11-17 10:56:29,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:56:29,060 INFO L470 AbstractCegarLoop]: Abstraction has 221589 states and 308208 transitions. [2021-11-17 10:56:29,061 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 10:56:29,061 INFO L276 IsEmpty]: Start isEmpty. Operand 221589 states and 308208 transitions. [2021-11-17 10:56:29,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-11-17 10:56:29,066 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:56:29,067 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:56:29,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 10:56:29,067 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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)] === [2021-11-17 10:56:29,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:56:29,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2135483413, now seen corresponding path program 1 times [2021-11-17 10:56:29,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:56:29,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098759537] [2021-11-17 10:56:29,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:56:29,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:56:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:29,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:56:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:29,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:29,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:56:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:29,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:29,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:56:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:29,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:29,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:56:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:56:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:29,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:56:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:56:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:56:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:56:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:56:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:56:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:56:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:56:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:56:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:56:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:56:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:56:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:56:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:56:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:56:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:56:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:56:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:56:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:56:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:56:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:56:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:56:30,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:56:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:56:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:56:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:56:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:56:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:56:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:56:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:56:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:56:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:56:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 10:56:30,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 10:56:30,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 10:56:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 10:56:30,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:56:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 10:56:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 10:56:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 10:56:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:56:30,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-11-17 10:56:30,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:56:30,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098759537] [2021-11-17 10:56:30,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098759537] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:56:30,654 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:56:30,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 10:56:30,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423377035] [2021-11-17 10:56:30,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:56:30,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 10:56:30,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:56:30,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 10:56:30,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 10:56:30,657 INFO L87 Difference]: Start difference. First operand 221589 states and 308208 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-17 10:56:32,716 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:56:40,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:56:40,874 INFO L93 Difference]: Finished difference Result 226107 states and 313897 transitions. [2021-11-17 10:56:40,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 10:56:40,874 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 493 [2021-11-17 10:56:40,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:56:41,767 INFO L225 Difference]: With dead ends: 226107 [2021-11-17 10:56:41,768 INFO L226 Difference]: Without dead ends: 226105 [2021-11-17 10:56:41,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 10:56:41,877 INFO L933 BasicCegarLoop]: 3681 mSDtfsCounter, 3477 mSDsluCounter, 8883 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 797 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3821 SdHoareTripleChecker+Valid, 12564 SdHoareTripleChecker+Invalid, 2310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 797 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-17 10:56:41,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3821 Valid, 12564 Invalid, 2310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [797 Valid, 1512 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2021-11-17 10:56:42,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226105 states. [2021-11-17 10:56:48,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226105 to 223081. [2021-11-17 10:56:48,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223081 states, 159764 states have (on average 1.2972321674469842) internal successors, (207251), 160294 states have internal predecessors, (207251), 51226 states have call successors, (51226), 12121 states have call predecessors, (51226), 12088 states have return successors, (51222), 50729 states have call predecessors, (51222), 51222 states have call successors, (51222)