./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.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 265e49c3377c52c97dc3fc0a083b7daee63958176975b73f1e1d54651892cb04 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:24:49,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:24:49,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:24:49,622 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:24:49,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:24:49,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:24:49,625 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:24:49,627 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:24:49,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:24:49,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:24:49,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:24:49,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:24:49,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:24:49,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:24:49,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:24:49,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:24:49,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:24:49,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:24:49,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:24:49,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:24:49,640 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:24:49,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:24:49,642 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:24:49,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:24:49,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:24:49,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:24:49,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:24:49,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:24:49,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:24:49,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:24:49,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:24:49,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:24:49,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:24:49,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:24:49,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:24:49,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:24:49,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:24:49,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:24:49,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:24:49,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:24:49,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:24:49,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:24:49,657 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:24:49,675 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:24:49,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:24:49,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:24:49,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:24:49,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:24:49,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:24:49,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:24:49,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:24:49,678 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:24:49,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:24:49,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:24:49,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:24:49,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:24:49,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:24:49,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:24:49,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:24:49,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:24:49,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:24:49,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:24:49,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:24:49,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:24:49,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:24:49,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:24:49,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:24:49,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:24:49,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:24:49,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:24:49,682 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:24:49,683 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:24:49,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:24:49,683 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 265e49c3377c52c97dc3fc0a083b7daee63958176975b73f1e1d54651892cb04 [2022-07-20 02:24:49,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:24:49,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:24:49,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:24:49,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:24:49,965 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:24:49,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2022-07-20 02:24:50,028 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5025bcf7/b2b61b64205e46a380b36fe5c3ce8aef/FLAG1d6fd9c80 [2022-07-20 02:24:50,809 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:24:50,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2022-07-20 02:24:50,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5025bcf7/b2b61b64205e46a380b36fe5c3ce8aef/FLAG1d6fd9c80 [2022-07-20 02:24:51,323 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5025bcf7/b2b61b64205e46a380b36fe5c3ce8aef [2022-07-20 02:24:51,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:24:51,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:24:51,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:24:51,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:24:51,331 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:24:51,332 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:24:51" (1/1) ... [2022-07-20 02:24:51,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8fbfc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:51, skipping insertion in model container [2022-07-20 02:24:51,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:24:51" (1/1) ... [2022-07-20 02:24:51,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:24:51,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:24:54,220 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[372884,372897] [2022-07-20 02:24:54,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373053,373066] [2022-07-20 02:24:54,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373220,373233] [2022-07-20 02:24:54,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373388,373401] [2022-07-20 02:24:54,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:24:54,266 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:24:54,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[372884,372897] [2022-07-20 02:24:54,610 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373053,373066] [2022-07-20 02:24:54,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373220,373233] [2022-07-20 02:24:54,611 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i[373388,373401] [2022-07-20 02:24:54,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:24:54,727 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:24:54,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:54 WrapperNode [2022-07-20 02:24:54,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:24:54,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:24:54,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:24:54,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:24:54,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:54" (1/1) ... [2022-07-20 02:24:54,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:54" (1/1) ... [2022-07-20 02:24:55,149 INFO L137 Inliner]: procedures = 411, calls = 2781, calls flagged for inlining = 214, calls inlined = 198, statements flattened = 6539 [2022-07-20 02:24:55,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:24:55,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:24:55,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:24:55,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:24:55,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:54" (1/1) ... [2022-07-20 02:24:55,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:54" (1/1) ... [2022-07-20 02:24:55,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:54" (1/1) ... [2022-07-20 02:24:55,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:54" (1/1) ... [2022-07-20 02:24:55,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:54" (1/1) ... [2022-07-20 02:24:55,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:54" (1/1) ... [2022-07-20 02:24:55,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:54" (1/1) ... [2022-07-20 02:24:55,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:24:55,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:24:55,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:24:55,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:24:55,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:54" (1/1) ... [2022-07-20 02:24:55,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:24:55,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:24:55,572 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 02:24:55,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 02:24:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_set_bssid [2022-07-20 02:24:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_set_bssid [2022-07-20 02:24:55,611 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_start [2022-07-20 02:24:55,611 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_start [2022-07-20 02:24:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 02:24:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 02:24:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:24:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:24:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:24:55,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:24:55,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:24:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:24:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 02:24:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 02:24:55,613 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 02:24:55,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 02:24:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 02:24:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 02:24:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_al2210l [2022-07-20 02:24:55,614 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_al2210l [2022-07-20 02:24:55,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:24:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:24:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 02:24:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 02:24:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:24:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:24:55,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_adm8211_priv [2022-07-20 02:24:55,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_adm8211_priv [2022-07-20 02:24:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 02:24:55,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 02:24:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:24:55,616 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 02:24:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 02:24:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_set_channel [2022-07-20 02:24:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_set_channel [2022-07-20 02:24:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 02:24:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:24:55,617 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:24:55,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 02:24:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:24:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:24:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_write_sram [2022-07-20 02:24:55,618 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_write_sram [2022-07-20 02:24:55,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 02:24:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 02:24:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 02:24:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:24:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:24:55,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:24:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:24:55,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:24:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:24:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-20 02:24:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-20 02:24:55,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 02:24:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 02:24:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 02:24:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 02:24:55,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:24:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:24:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:24:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:24:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:24:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:24:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:24:55,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:24:55,624 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-20 02:24:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-20 02:24:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_max2820 [2022-07-20 02:24:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_max2820 [2022-07-20 02:24:55,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:24:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:24:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_write_bbp [2022-07-20 02:24:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_write_bbp [2022-07-20 02:24:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:24:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:24:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:24:55,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 02:24:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 02:24:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 02:24:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-20 02:24:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:24:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:24:55,627 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 02:24:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 02:24:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_stop [2022-07-20 02:24:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_stop [2022-07-20 02:24:55,628 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-20 02:24:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-20 02:24:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:24:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:24:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 02:24:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 02:24:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:24:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:24:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:24:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:24:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-20 02:24:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-20 02:24:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:24:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:24:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-07-20 02:24:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-07-20 02:24:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-20 02:24:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-20 02:24:55,632 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 02:24:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 02:24:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:24:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:24:55,633 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 02:24:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 02:24:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:24:55,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:24:55,636 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_resume [2022-07-20 02:24:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_resume [2022-07-20 02:24:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:24:55,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:24:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:24:55,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_adm8211_priv [2022-07-20 02:24:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_adm8211_priv [2022-07-20 02:24:55,639 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_remove [2022-07-20 02:24:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_remove [2022-07-20 02:24:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_update_mode [2022-07-20 02:24:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_update_mode [2022-07-20 02:24:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 02:24:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 02:24:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 02:24:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-20 02:24:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-20 02:24:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-20 02:24:55,645 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-20 02:24:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:24:55,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:24:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_rfmd2958 [2022-07-20 02:24:55,646 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_rfmd2958 [2022-07-20 02:24:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure adm8211_rf_write_syn_rfmd2948 [2022-07-20 02:24:55,646 INFO L138 BoogieDeclarations]: Found implementation of procedure adm8211_rf_write_syn_rfmd2948 [2022-07-20 02:24:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-20 02:24:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-20 02:24:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:24:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:24:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-20 02:24:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-20 02:24:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-20 02:24:55,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-20 02:24:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 02:24:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:24:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:24:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-20 02:24:55,648 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-20 02:24:56,696 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:24:56,698 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:24:57,995 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:25:07,449 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:25:07,529 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:25:07,552 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:25:07,552 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 02:25:07,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:25:07 BoogieIcfgContainer [2022-07-20 02:25:07,556 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:25:07,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:25:07,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:25:07,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:25:07,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:24:51" (1/3) ... [2022-07-20 02:25:07,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e26f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:25:07, skipping insertion in model container [2022-07-20 02:25:07,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:24:54" (2/3) ... [2022-07-20 02:25:07,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e26f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:25:07, skipping insertion in model container [2022-07-20 02:25:07,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:25:07" (3/3) ... [2022-07-20 02:25:07,566 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-adm8211.cil.i [2022-07-20 02:25:07,579 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:25:07,579 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 02:25:07,686 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:25:07,695 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6ba8b84, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@184feeba [2022-07-20 02:25:07,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 02:25:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 2370 states, 1695 states have (on average 1.367551622418879) internal successors, (2318), 1715 states have internal predecessors, (2318), 606 states have call successors, (606), 67 states have call predecessors, (606), 66 states have return successors, (601), 597 states have call predecessors, (601), 601 states have call successors, (601) [2022-07-20 02:25:07,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-20 02:25:07,726 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:25:07,727 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:25:07,728 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:25:07,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:25:07,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1726749119, now seen corresponding path program 1 times [2022-07-20 02:25:07,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:25:07,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816231420] [2022-07-20 02:25:07,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:25:07,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:25:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:25:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:25:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:25:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:25:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:25:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:25:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:25:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:25:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:25:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:25:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:25:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:25:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:08,618 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-20 02:25:08,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:25:08,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816231420] [2022-07-20 02:25:08,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816231420] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:25:08,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:25:08,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:25:08,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996469924] [2022-07-20 02:25:08,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:25:08,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:25:08,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:25:08,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:25:08,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:25:08,664 INFO L87 Difference]: Start difference. First operand has 2370 states, 1695 states have (on average 1.367551622418879) internal successors, (2318), 1715 states have internal predecessors, (2318), 606 states have call successors, (606), 67 states have call predecessors, (606), 66 states have return successors, (601), 597 states have call predecessors, (601), 601 states have call successors, (601) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-20 02:25:10,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:25:12,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:25:15,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:25:17,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:25:22,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:25:22,940 INFO L93 Difference]: Finished difference Result 7096 states and 10737 transitions. [2022-07-20 02:25:22,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:25:22,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 134 [2022-07-20 02:25:22,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:25:23,008 INFO L225 Difference]: With dead ends: 7096 [2022-07-20 02:25:23,008 INFO L226 Difference]: Without dead ends: 4741 [2022-07-20 02:25:23,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:25:23,042 INFO L413 NwaCegarLoop]: 3644 mSDtfsCounter, 3933 mSDsluCounter, 3616 mSDsCounter, 0 mSdLazyCounter, 2466 mSolverCounterSat, 1634 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4490 SdHoareTripleChecker+Valid, 7260 SdHoareTripleChecker+Invalid, 4103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1634 IncrementalHoareTripleChecker+Valid, 2466 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-07-20 02:25:23,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4490 Valid, 7260 Invalid, 4103 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1634 Valid, 2466 Invalid, 3 Unknown, 0 Unchecked, 13.7s Time] [2022-07-20 02:25:23,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4741 states. [2022-07-20 02:25:23,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4741 to 4627. [2022-07-20 02:25:23,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4627 states, 3328 states have (on average 1.2734375) internal successors, (4238), 3366 states have internal predecessors, (4238), 1167 states have call successors, (1167), 130 states have call predecessors, (1167), 129 states have return successors, (1164), 1156 states have call predecessors, (1164), 1164 states have call successors, (1164) [2022-07-20 02:25:23,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4627 states to 4627 states and 6569 transitions. [2022-07-20 02:25:23,472 INFO L78 Accepts]: Start accepts. Automaton has 4627 states and 6569 transitions. Word has length 134 [2022-07-20 02:25:23,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:25:23,473 INFO L495 AbstractCegarLoop]: Abstraction has 4627 states and 6569 transitions. [2022-07-20 02:25:23,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-20 02:25:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 4627 states and 6569 transitions. [2022-07-20 02:25:23,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-07-20 02:25:23,479 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:25:23,479 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:25:23,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 02:25:23,480 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:25:23,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:25:23,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1446599737, now seen corresponding path program 1 times [2022-07-20 02:25:23,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:25:23,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194270896] [2022-07-20 02:25:23,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:25:23,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:25:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:25:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:25:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:25:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:25:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:25:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:25:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:25:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:25:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:25:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:25:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:25:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-07-20 02:25:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 02:25:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-07-20 02:25:23,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:25:23,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194270896] [2022-07-20 02:25:23,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194270896] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:25:23,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:25:23,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:25:23,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556271000] [2022-07-20 02:25:23,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:25:23,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:25:23,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:25:23,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:25:23,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:25:23,954 INFO L87 Difference]: Start difference. First operand 4627 states and 6569 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-20 02:25:26,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:25:31,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:25:31,149 INFO L93 Difference]: Finished difference Result 13193 states and 18729 transitions. [2022-07-20 02:25:31,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:25:31,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 148 [2022-07-20 02:25:31,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:25:31,227 INFO L225 Difference]: With dead ends: 13193 [2022-07-20 02:25:31,227 INFO L226 Difference]: Without dead ends: 8591 [2022-07-20 02:25:31,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:25:31,265 INFO L413 NwaCegarLoop]: 3776 mSDtfsCounter, 3226 mSDsluCounter, 3647 mSDsCounter, 0 mSdLazyCounter, 2345 mSolverCounterSat, 1500 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3694 SdHoareTripleChecker+Valid, 7423 SdHoareTripleChecker+Invalid, 3846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1500 IncrementalHoareTripleChecker+Valid, 2345 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-07-20 02:25:31,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3694 Valid, 7423 Invalid, 3846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1500 Valid, 2345 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-07-20 02:25:31,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8591 states. [2022-07-20 02:25:31,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8591 to 8418. [2022-07-20 02:25:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8418 states, 6040 states have (on average 1.268046357615894) internal successors, (7659), 6120 states have internal predecessors, (7659), 2118 states have call successors, (2118), 248 states have call predecessors, (2118), 257 states have return successors, (2173), 2097 states have call predecessors, (2173), 2115 states have call successors, (2173) [2022-07-20 02:25:31,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8418 states to 8418 states and 11950 transitions. [2022-07-20 02:25:31,767 INFO L78 Accepts]: Start accepts. Automaton has 8418 states and 11950 transitions. Word has length 148 [2022-07-20 02:25:31,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:25:31,768 INFO L495 AbstractCegarLoop]: Abstraction has 8418 states and 11950 transitions. [2022-07-20 02:25:31,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-20 02:25:31,770 INFO L276 IsEmpty]: Start isEmpty. Operand 8418 states and 11950 transitions. [2022-07-20 02:25:31,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-20 02:25:31,779 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:25:31,779 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2022-07-20 02:25:31,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 02:25:31,780 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:25:31,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:25:31,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1519463611, now seen corresponding path program 1 times [2022-07-20 02:25:31,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:25:31,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578037788] [2022-07-20 02:25:31,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:25:31,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:25:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:31,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:25:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:31,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:25:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:25:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:25:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:25:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:25:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:25:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:25:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:25:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:25:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:25:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:25:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:25:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:25:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:25:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:25:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:25:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:25:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-20 02:25:32,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:25:32,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578037788] [2022-07-20 02:25:32,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578037788] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:25:32,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:25:32,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:25:32,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834167397] [2022-07-20 02:25:32,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:25:32,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:25:32,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:25:32,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:25:32,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:25:32,215 INFO L87 Difference]: Start difference. First operand 8418 states and 11950 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-20 02:25:34,437 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:25:39,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:25:39,456 INFO L93 Difference]: Finished difference Result 16880 states and 23920 transitions. [2022-07-20 02:25:39,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:25:39,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 186 [2022-07-20 02:25:39,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:25:39,617 INFO L225 Difference]: With dead ends: 16880 [2022-07-20 02:25:39,617 INFO L226 Difference]: Without dead ends: 12613 [2022-07-20 02:25:39,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:25:39,649 INFO L413 NwaCegarLoop]: 6018 mSDtfsCounter, 3062 mSDsluCounter, 4930 mSDsCounter, 0 mSdLazyCounter, 2456 mSolverCounterSat, 1051 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3579 SdHoareTripleChecker+Valid, 10948 SdHoareTripleChecker+Invalid, 3508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1051 IncrementalHoareTripleChecker+Valid, 2456 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:25:39,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3579 Valid, 10948 Invalid, 3508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1051 Valid, 2456 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-07-20 02:25:39,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12613 states. [2022-07-20 02:25:40,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12613 to 12386. [2022-07-20 02:25:40,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12386 states, 8895 states have (on average 1.267116357504216) internal successors, (11271), 9010 states have internal predecessors, (11271), 3105 states have call successors, (3105), 369 states have call predecessors, (3105), 383 states have return successors, (3184), 3076 states have call predecessors, (3184), 3102 states have call successors, (3184) [2022-07-20 02:25:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12386 states to 12386 states and 17560 transitions. [2022-07-20 02:25:40,232 INFO L78 Accepts]: Start accepts. Automaton has 12386 states and 17560 transitions. Word has length 186 [2022-07-20 02:25:40,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:25:40,234 INFO L495 AbstractCegarLoop]: Abstraction has 12386 states and 17560 transitions. [2022-07-20 02:25:40,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-20 02:25:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 12386 states and 17560 transitions. [2022-07-20 02:25:40,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-20 02:25:40,239 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:25:40,240 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2022-07-20 02:25:40,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 02:25:40,240 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:25:40,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:25:40,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1096761785, now seen corresponding path program 1 times [2022-07-20 02:25:40,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:25:40,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515622415] [2022-07-20 02:25:40,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:25:40,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:25:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:25:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:25:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:25:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:25:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:25:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:25:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:25:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:25:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:25:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:25:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:25:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:25:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:25:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:25:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:25:40,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:25:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:25:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:25:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:40,813 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-07-20 02:25:40,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:25:40,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515622415] [2022-07-20 02:25:40,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515622415] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:25:40,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:25:40,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:25:40,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286185141] [2022-07-20 02:25:40,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:25:40,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:25:40,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:25:40,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:25:40,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:25:40,817 INFO L87 Difference]: Start difference. First operand 12386 states and 17560 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 02:25:43,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:25:47,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:25:47,631 INFO L93 Difference]: Finished difference Result 12980 states and 18403 transitions. [2022-07-20 02:25:47,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:25:47,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2022-07-20 02:25:47,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:25:47,714 INFO L225 Difference]: With dead ends: 12980 [2022-07-20 02:25:47,714 INFO L226 Difference]: Without dead ends: 12978 [2022-07-20 02:25:47,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:25:47,730 INFO L413 NwaCegarLoop]: 3399 mSDtfsCounter, 3103 mSDsluCounter, 5905 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 1042 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3541 SdHoareTripleChecker+Valid, 9304 SdHoareTripleChecker+Invalid, 5132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1042 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:25:47,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3541 Valid, 9304 Invalid, 5132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1042 Valid, 4089 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-07-20 02:25:47,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12978 states. [2022-07-20 02:25:48,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12978 to 12774. [2022-07-20 02:25:48,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12774 states, 9162 states have (on average 1.267408862693735) internal successors, (11612), 9281 states have internal predecessors, (11612), 3211 states have call successors, (3211), 384 states have call predecessors, (3211), 398 states have return successors, (3290), 3182 states have call predecessors, (3290), 3208 states have call successors, (3290) [2022-07-20 02:25:48,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12774 states to 12774 states and 18113 transitions. [2022-07-20 02:25:48,330 INFO L78 Accepts]: Start accepts. Automaton has 12774 states and 18113 transitions. Word has length 186 [2022-07-20 02:25:48,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:25:48,331 INFO L495 AbstractCegarLoop]: Abstraction has 12774 states and 18113 transitions. [2022-07-20 02:25:48,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 02:25:48,331 INFO L276 IsEmpty]: Start isEmpty. Operand 12774 states and 18113 transitions. [2022-07-20 02:25:48,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-20 02:25:48,338 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:25:48,339 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2022-07-20 02:25:48,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 02:25:48,339 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:25:48,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:25:48,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1342769575, now seen corresponding path program 1 times [2022-07-20 02:25:48,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:25:48,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193883471] [2022-07-20 02:25:48,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:25:48,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:25:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:25:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:25:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:25:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:25:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:25:48,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:25:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:25:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:25:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:25:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:25:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:25:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:25:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:25:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:25:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:25:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:25:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:25:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:25:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:25:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:48,819 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2022-07-20 02:25:48,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:25:48,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193883471] [2022-07-20 02:25:48,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193883471] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:25:48,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:25:48,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:25:48,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220107867] [2022-07-20 02:25:48,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:25:48,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:25:48,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:25:48,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:25:48,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:25:48,822 INFO L87 Difference]: Start difference. First operand 12774 states and 18113 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 02:25:51,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:25:55,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:25:55,489 INFO L93 Difference]: Finished difference Result 12984 states and 18406 transitions. [2022-07-20 02:25:55,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:25:55,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2022-07-20 02:25:55,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:25:55,569 INFO L225 Difference]: With dead ends: 12984 [2022-07-20 02:25:55,570 INFO L226 Difference]: Without dead ends: 12982 [2022-07-20 02:25:55,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:25:55,590 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 3095 mSDsluCounter, 5911 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 1041 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3531 SdHoareTripleChecker+Valid, 9315 SdHoareTripleChecker+Invalid, 5131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1041 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:25:55,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3531 Valid, 9315 Invalid, 5131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1041 Valid, 4089 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-07-20 02:25:55,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12982 states. [2022-07-20 02:25:56,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12982 to 12778. [2022-07-20 02:25:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12778 states, 9165 states have (on average 1.2673213311511184) internal successors, (11615), 9284 states have internal predecessors, (11615), 3211 states have call successors, (3211), 385 states have call predecessors, (3211), 399 states have return successors, (3290), 3182 states have call predecessors, (3290), 3208 states have call successors, (3290) [2022-07-20 02:25:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12778 states to 12778 states and 18116 transitions. [2022-07-20 02:25:56,199 INFO L78 Accepts]: Start accepts. Automaton has 12778 states and 18116 transitions. Word has length 191 [2022-07-20 02:25:56,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:25:56,200 INFO L495 AbstractCegarLoop]: Abstraction has 12778 states and 18116 transitions. [2022-07-20 02:25:56,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 02:25:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 12778 states and 18116 transitions. [2022-07-20 02:25:56,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-20 02:25:56,207 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:25:56,207 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 3, 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] [2022-07-20 02:25:56,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 02:25:56,208 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:25:56,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:25:56,208 INFO L85 PathProgramCache]: Analyzing trace with hash -16387577, now seen corresponding path program 1 times [2022-07-20 02:25:56,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:25:56,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857130707] [2022-07-20 02:25:56,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:25:56,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:25:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:25:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:25:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:25:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:25:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:25:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:25:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:25:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:25:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:25:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:25:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:25:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:25:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:25:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:25:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:25:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:25:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:25:56,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:25:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:25:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:25:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:25:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:25:56,673 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2022-07-20 02:25:56,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:25:56,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857130707] [2022-07-20 02:25:56,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857130707] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:25:56,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:25:56,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:25:56,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372160602] [2022-07-20 02:25:56,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:25:56,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:25:56,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:25:56,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:25:56,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:25:56,676 INFO L87 Difference]: Start difference. First operand 12778 states and 18116 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 02:25:59,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:26:03,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:26:03,303 INFO L93 Difference]: Finished difference Result 12988 states and 18409 transitions. [2022-07-20 02:26:03,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:26:03,304 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2022-07-20 02:26:03,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:26:03,382 INFO L225 Difference]: With dead ends: 12988 [2022-07-20 02:26:03,382 INFO L226 Difference]: Without dead ends: 12986 [2022-07-20 02:26:03,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:26:03,402 INFO L413 NwaCegarLoop]: 3405 mSDtfsCounter, 3095 mSDsluCounter, 5914 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 1040 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3530 SdHoareTripleChecker+Valid, 9319 SdHoareTripleChecker+Invalid, 5130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1040 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:26:03,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3530 Valid, 9319 Invalid, 5130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1040 Valid, 4089 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-07-20 02:26:03,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12986 states. [2022-07-20 02:26:03,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12986 to 12782. [2022-07-20 02:26:03,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12782 states, 9168 states have (on average 1.2672338568935428) internal successors, (11618), 9287 states have internal predecessors, (11618), 3211 states have call successors, (3211), 386 states have call predecessors, (3211), 400 states have return successors, (3290), 3182 states have call predecessors, (3290), 3208 states have call successors, (3290) [2022-07-20 02:26:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12782 states to 12782 states and 18119 transitions. [2022-07-20 02:26:04,056 INFO L78 Accepts]: Start accepts. Automaton has 12782 states and 18119 transitions. Word has length 196 [2022-07-20 02:26:04,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:26:04,060 INFO L495 AbstractCegarLoop]: Abstraction has 12782 states and 18119 transitions. [2022-07-20 02:26:04,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 02:26:04,061 INFO L276 IsEmpty]: Start isEmpty. Operand 12782 states and 18119 transitions. [2022-07-20 02:26:04,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-20 02:26:04,068 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:26:04,069 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 3, 3, 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] [2022-07-20 02:26:04,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 02:26:04,069 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:26:04,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:26:04,069 INFO L85 PathProgramCache]: Analyzing trace with hash -708289177, now seen corresponding path program 1 times [2022-07-20 02:26:04,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:26:04,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138435388] [2022-07-20 02:26:04,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:26:04,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:26:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:26:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:26:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:26:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:26:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:26:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:26:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:26:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:26:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:26:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:26:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:26:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:26:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:26:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:26:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:26:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:26:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:26:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:26:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:26:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:26:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:26:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:04,658 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2022-07-20 02:26:04,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:26:04,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138435388] [2022-07-20 02:26:04,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138435388] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:26:04,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:26:04,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:26:04,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195284725] [2022-07-20 02:26:04,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:26:04,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:26:04,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:26:04,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:26:04,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:26:04,661 INFO L87 Difference]: Start difference. First operand 12782 states and 18119 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 02:26:06,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:26:11,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:26:11,664 INFO L93 Difference]: Finished difference Result 12992 states and 18412 transitions. [2022-07-20 02:26:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:26:11,665 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 201 [2022-07-20 02:26:11,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:26:11,727 INFO L225 Difference]: With dead ends: 12992 [2022-07-20 02:26:11,727 INFO L226 Difference]: Without dead ends: 12990 [2022-07-20 02:26:11,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:26:11,738 INFO L413 NwaCegarLoop]: 3405 mSDtfsCounter, 3095 mSDsluCounter, 5914 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 1039 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3530 SdHoareTripleChecker+Valid, 9319 SdHoareTripleChecker+Invalid, 5129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1039 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:26:11,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3530 Valid, 9319 Invalid, 5129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1039 Valid, 4089 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-07-20 02:26:11,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12990 states. [2022-07-20 02:26:12,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12990 to 12786. [2022-07-20 02:26:12,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12786 states, 9171 states have (on average 1.2671464398647911) internal successors, (11621), 9290 states have internal predecessors, (11621), 3211 states have call successors, (3211), 387 states have call predecessors, (3211), 401 states have return successors, (3290), 3182 states have call predecessors, (3290), 3208 states have call successors, (3290) [2022-07-20 02:26:12,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12786 states to 12786 states and 18122 transitions. [2022-07-20 02:26:12,283 INFO L78 Accepts]: Start accepts. Automaton has 12786 states and 18122 transitions. Word has length 201 [2022-07-20 02:26:12,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:26:12,284 INFO L495 AbstractCegarLoop]: Abstraction has 12786 states and 18122 transitions. [2022-07-20 02:26:12,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 02:26:12,284 INFO L276 IsEmpty]: Start isEmpty. Operand 12786 states and 18122 transitions. [2022-07-20 02:26:12,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-20 02:26:12,294 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:26:12,294 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 5, 4, 4, 4, 4, 4, 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] [2022-07-20 02:26:12,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 02:26:12,294 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:26:12,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:26:12,295 INFO L85 PathProgramCache]: Analyzing trace with hash 582952391, now seen corresponding path program 1 times [2022-07-20 02:26:12,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:26:12,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382038510] [2022-07-20 02:26:12,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:26:12,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:26:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:26:12,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:26:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:26:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:26:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:26:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:26:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:26:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:26:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:26:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:26:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:26:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:26:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:26:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:26:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:26:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:26:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:26:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:26:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:26:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:26:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:26:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:26:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:12,842 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-07-20 02:26:12,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:26:12,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382038510] [2022-07-20 02:26:12,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382038510] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:26:12,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:26:12,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:26:12,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165112705] [2022-07-20 02:26:12,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:26:12,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:26:12,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:26:12,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:26:12,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:26:12,844 INFO L87 Difference]: Start difference. First operand 12786 states and 18122 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 02:26:15,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:26:19,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:26:19,276 INFO L93 Difference]: Finished difference Result 12996 states and 18415 transitions. [2022-07-20 02:26:19,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:26:19,276 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 206 [2022-07-20 02:26:19,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:26:19,328 INFO L225 Difference]: With dead ends: 12996 [2022-07-20 02:26:19,328 INFO L226 Difference]: Without dead ends: 12994 [2022-07-20 02:26:19,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:26:19,336 INFO L413 NwaCegarLoop]: 3402 mSDtfsCounter, 3095 mSDsluCounter, 5905 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 1038 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3533 SdHoareTripleChecker+Valid, 9307 SdHoareTripleChecker+Invalid, 5128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1038 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:26:19,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3533 Valid, 9307 Invalid, 5128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1038 Valid, 4089 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-07-20 02:26:19,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12994 states. [2022-07-20 02:26:19,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12994 to 12790. [2022-07-20 02:26:19,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12790 states, 9174 states have (on average 1.2670590800087203) internal successors, (11624), 9293 states have internal predecessors, (11624), 3211 states have call successors, (3211), 388 states have call predecessors, (3211), 402 states have return successors, (3290), 3182 states have call predecessors, (3290), 3208 states have call successors, (3290) [2022-07-20 02:26:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12790 states to 12790 states and 18125 transitions. [2022-07-20 02:26:19,842 INFO L78 Accepts]: Start accepts. Automaton has 12790 states and 18125 transitions. Word has length 206 [2022-07-20 02:26:19,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:26:19,843 INFO L495 AbstractCegarLoop]: Abstraction has 12790 states and 18125 transitions. [2022-07-20 02:26:19,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 02:26:19,843 INFO L276 IsEmpty]: Start isEmpty. Operand 12790 states and 18125 transitions. [2022-07-20 02:26:19,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-20 02:26:19,854 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:26:19,854 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 6, 5, 5, 4, 4, 4, 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] [2022-07-20 02:26:19,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 02:26:19,855 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:26:19,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:26:19,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1823715623, now seen corresponding path program 1 times [2022-07-20 02:26:19,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:26:19,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438930873] [2022-07-20 02:26:19,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:26:19,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:26:19,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:26:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:26:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:26:20,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:26:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:26:20,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:26:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:26:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:26:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:26:20,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:26:20,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:26:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:26:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:26:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:26:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:26:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:26:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:26:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:26:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:26:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:26:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:26:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:26:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 02:26:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:20,409 INFO L134 CoverageAnalysis]: Checked inductivity of 623 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2022-07-20 02:26:20,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:26:20,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438930873] [2022-07-20 02:26:20,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438930873] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:26:20,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:26:20,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:26:20,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035900506] [2022-07-20 02:26:20,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:26:20,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:26:20,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:26:20,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:26:20,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:26:20,414 INFO L87 Difference]: Start difference. First operand 12790 states and 18125 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 02:26:22,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:26:26,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:26:26,803 INFO L93 Difference]: Finished difference Result 13000 states and 18418 transitions. [2022-07-20 02:26:26,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:26:26,804 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 211 [2022-07-20 02:26:26,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:26:26,862 INFO L225 Difference]: With dead ends: 13000 [2022-07-20 02:26:26,862 INFO L226 Difference]: Without dead ends: 12998 [2022-07-20 02:26:26,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:26:26,948 INFO L413 NwaCegarLoop]: 3403 mSDtfsCounter, 3095 mSDsluCounter, 5908 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 1037 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3532 SdHoareTripleChecker+Valid, 9311 SdHoareTripleChecker+Invalid, 5127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1037 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:26:26,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3532 Valid, 9311 Invalid, 5127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1037 Valid, 4089 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-07-20 02:26:26,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12998 states. [2022-07-20 02:26:27,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12998 to 12794. [2022-07-20 02:26:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12794 states, 9177 states have (on average 1.2669717772692601) internal successors, (11627), 9296 states have internal predecessors, (11627), 3211 states have call successors, (3211), 389 states have call predecessors, (3211), 403 states have return successors, (3290), 3182 states have call predecessors, (3290), 3208 states have call successors, (3290) [2022-07-20 02:26:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12794 states to 12794 states and 18128 transitions. [2022-07-20 02:26:27,500 INFO L78 Accepts]: Start accepts. Automaton has 12794 states and 18128 transitions. Word has length 211 [2022-07-20 02:26:27,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:26:27,500 INFO L495 AbstractCegarLoop]: Abstraction has 12794 states and 18128 transitions. [2022-07-20 02:26:27,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 02:26:27,501 INFO L276 IsEmpty]: Start isEmpty. Operand 12794 states and 18128 transitions. [2022-07-20 02:26:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-20 02:26:27,510 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:26:27,511 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 7, 6, 6, 4, 4, 4, 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] [2022-07-20 02:26:27,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 02:26:27,511 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:26:27,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:26:27,512 INFO L85 PathProgramCache]: Analyzing trace with hash 281827719, now seen corresponding path program 1 times [2022-07-20 02:26:27,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:26:27,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239966239] [2022-07-20 02:26:27,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:26:27,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:26:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:26:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:26:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:26:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:26:27,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:26:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:26:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:26:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:26:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:26:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:26:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:26:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:26:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:26:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:26:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:26:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:26:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:26:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:26:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:26:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:26:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:26:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:26:27,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 02:26:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:27,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 02:26:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:28,000 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2022-07-20 02:26:28,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:26:28,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239966239] [2022-07-20 02:26:28,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239966239] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:26:28,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:26:28,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:26:28,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881158361] [2022-07-20 02:26:28,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:26:28,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:26:28,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:26:28,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:26:28,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:26:28,003 INFO L87 Difference]: Start difference. First operand 12794 states and 18128 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 02:26:30,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:26:34,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:26:34,676 INFO L93 Difference]: Finished difference Result 13262 states and 18688 transitions. [2022-07-20 02:26:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:26:34,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 216 [2022-07-20 02:26:34,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:26:34,735 INFO L225 Difference]: With dead ends: 13262 [2022-07-20 02:26:34,735 INFO L226 Difference]: Without dead ends: 13260 [2022-07-20 02:26:34,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:26:34,748 INFO L413 NwaCegarLoop]: 3406 mSDtfsCounter, 3071 mSDsluCounter, 5998 mSDsCounter, 0 mSdLazyCounter, 4199 mSolverCounterSat, 1045 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3505 SdHoareTripleChecker+Valid, 9404 SdHoareTripleChecker+Invalid, 5245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1045 IncrementalHoareTripleChecker+Valid, 4199 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:26:34,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3505 Valid, 9404 Invalid, 5245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1045 Valid, 4199 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-07-20 02:26:34,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13260 states. [2022-07-20 02:26:35,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13260 to 13032. [2022-07-20 02:26:35,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13032 states, 9342 states have (on average 1.2648255191607793) internal successors, (11816), 9461 states have internal predecessors, (11816), 3241 states have call successors, (3241), 432 states have call predecessors, (3241), 446 states have return successors, (3320), 3212 states have call predecessors, (3320), 3238 states have call successors, (3320) [2022-07-20 02:26:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13032 states to 13032 states and 18377 transitions. [2022-07-20 02:26:35,348 INFO L78 Accepts]: Start accepts. Automaton has 13032 states and 18377 transitions. Word has length 216 [2022-07-20 02:26:35,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:26:35,349 INFO L495 AbstractCegarLoop]: Abstraction has 13032 states and 18377 transitions. [2022-07-20 02:26:35,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 02:26:35,349 INFO L276 IsEmpty]: Start isEmpty. Operand 13032 states and 18377 transitions. [2022-07-20 02:26:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-07-20 02:26:35,361 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:26:35,361 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 8, 7, 7, 6, 6, 6, 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] [2022-07-20 02:26:35,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 02:26:35,361 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:26:35,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:26:35,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1583103598, now seen corresponding path program 1 times [2022-07-20 02:26:35,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:26:35,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269498556] [2022-07-20 02:26:35,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:26:35,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:26:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:26:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:26:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:26:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:35,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:26:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:26:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:26:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:26:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:26:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:26:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:26:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:26:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:26:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:26:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:26:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:26:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:35,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:26:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:26:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 02:26:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 02:26:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:26:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 02:26:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 02:26:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 02:26:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 02:26:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 02:26:35,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:26:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 02:26:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2022-07-20 02:26:35,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:26:35,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269498556] [2022-07-20 02:26:35,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269498556] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:26:35,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:26:35,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:26:35,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786791507] [2022-07-20 02:26:35,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:26:35,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:26:35,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:26:35,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:26:35,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:26:35,931 INFO L87 Difference]: Start difference. First operand 13032 states and 18377 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 02:26:38,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:26:42,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:26:42,476 INFO L93 Difference]: Finished difference Result 13266 states and 18691 transitions. [2022-07-20 02:26:42,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:26:42,477 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 239 [2022-07-20 02:26:42,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:26:42,535 INFO L225 Difference]: With dead ends: 13266 [2022-07-20 02:26:42,535 INFO L226 Difference]: Without dead ends: 13264 [2022-07-20 02:26:42,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:26:42,548 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 3086 mSDsluCounter, 5911 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 1035 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3520 SdHoareTripleChecker+Valid, 9315 SdHoareTripleChecker+Invalid, 5125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1035 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:26:42,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3520 Valid, 9315 Invalid, 5125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1035 Valid, 4089 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-07-20 02:26:42,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13264 states. [2022-07-20 02:26:42,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13264 to 13036. [2022-07-20 02:26:42,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13036 states, 9345 states have (on average 1.26474050294275) internal successors, (11819), 9464 states have internal predecessors, (11819), 3241 states have call successors, (3241), 433 states have call predecessors, (3241), 447 states have return successors, (3320), 3212 states have call predecessors, (3320), 3238 states have call successors, (3320) [2022-07-20 02:26:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13036 states to 13036 states and 18380 transitions. [2022-07-20 02:26:43,033 INFO L78 Accepts]: Start accepts. Automaton has 13036 states and 18380 transitions. Word has length 239 [2022-07-20 02:26:43,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:26:43,033 INFO L495 AbstractCegarLoop]: Abstraction has 13036 states and 18380 transitions. [2022-07-20 02:26:43,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 02:26:43,033 INFO L276 IsEmpty]: Start isEmpty. Operand 13036 states and 18380 transitions. [2022-07-20 02:26:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-07-20 02:26:43,046 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:26:43,046 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 9, 8, 8, 4, 4, 4, 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] [2022-07-20 02:26:43,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-20 02:26:43,047 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:26:43,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:26:43,047 INFO L85 PathProgramCache]: Analyzing trace with hash -265450169, now seen corresponding path program 1 times [2022-07-20 02:26:43,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:26:43,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283547193] [2022-07-20 02:26:43,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:26:43,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:26:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:26:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:26:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:26:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:26:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:26:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:43,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:26:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:26:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:26:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:26:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:26:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:26:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:26:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:26:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:26:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:26:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:26:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:26:43,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:26:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:26:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:26:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:26:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:26:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 02:26:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 02:26:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:26:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 02:26:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 685 trivial. 0 not checked. [2022-07-20 02:26:43,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:26:43,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283547193] [2022-07-20 02:26:43,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283547193] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:26:43,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:26:43,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:26:43,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602195979] [2022-07-20 02:26:43,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:26:43,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:26:43,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:26:43,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:26:43,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:26:43,626 INFO L87 Difference]: Start difference. First operand 13036 states and 18380 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 02:26:45,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:26:50,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:26:50,414 INFO L93 Difference]: Finished difference Result 13270 states and 18694 transitions. [2022-07-20 02:26:50,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:26:50,415 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 226 [2022-07-20 02:26:50,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:26:50,473 INFO L225 Difference]: With dead ends: 13270 [2022-07-20 02:26:50,473 INFO L226 Difference]: Without dead ends: 13268 [2022-07-20 02:26:50,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:26:50,486 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 3095 mSDsluCounter, 5911 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 1034 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3531 SdHoareTripleChecker+Valid, 9315 SdHoareTripleChecker+Invalid, 5124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1034 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:26:50,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3531 Valid, 9315 Invalid, 5124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1034 Valid, 4089 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-07-20 02:26:50,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13268 states. [2022-07-20 02:26:50,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13268 to 13040. [2022-07-20 02:26:50,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13040 states, 9348 states have (on average 1.264655541292255) internal successors, (11822), 9467 states have internal predecessors, (11822), 3241 states have call successors, (3241), 434 states have call predecessors, (3241), 448 states have return successors, (3320), 3212 states have call predecessors, (3320), 3238 states have call successors, (3320) [2022-07-20 02:26:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13040 states to 13040 states and 18383 transitions. [2022-07-20 02:26:51,041 INFO L78 Accepts]: Start accepts. Automaton has 13040 states and 18383 transitions. Word has length 226 [2022-07-20 02:26:51,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:26:51,042 INFO L495 AbstractCegarLoop]: Abstraction has 13040 states and 18383 transitions. [2022-07-20 02:26:51,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 02:26:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 13040 states and 18383 transitions. [2022-07-20 02:26:51,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-07-20 02:26:51,051 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:26:51,052 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 10, 10, 10, 10, 10, 10, 10, 9, 9, 6, 6, 6, 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] [2022-07-20 02:26:51,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 02:26:51,052 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:26:51,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:26:51,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1082478, now seen corresponding path program 1 times [2022-07-20 02:26:51,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:26:51,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778581507] [2022-07-20 02:26:51,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:26:51,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:26:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:26:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:26:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:26:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:26:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:26:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:26:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:26:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:26:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:26:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:26:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:26:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:26:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:26:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:26:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:26:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:26:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:26:51,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 02:26:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 02:26:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:26:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 02:26:51,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 02:26:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 02:26:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 02:26:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-20 02:26:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 02:26:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 02:26:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 02:26:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 02:26:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:51,561 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2022-07-20 02:26:51,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:26:51,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778581507] [2022-07-20 02:26:51,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778581507] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:26:51,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:26:51,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:26:51,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247872609] [2022-07-20 02:26:51,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:26:51,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:26:51,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:26:51,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:26:51,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:26:51,563 INFO L87 Difference]: Start difference. First operand 13040 states and 18383 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 02:26:53,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:26:58,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:26:58,129 INFO L93 Difference]: Finished difference Result 13274 states and 18697 transitions. [2022-07-20 02:26:58,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:26:58,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 249 [2022-07-20 02:26:58,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:26:58,187 INFO L225 Difference]: With dead ends: 13274 [2022-07-20 02:26:58,187 INFO L226 Difference]: Without dead ends: 13272 [2022-07-20 02:26:58,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:26:58,197 INFO L413 NwaCegarLoop]: 3403 mSDtfsCounter, 3086 mSDsluCounter, 5908 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 1033 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3521 SdHoareTripleChecker+Valid, 9311 SdHoareTripleChecker+Invalid, 5123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1033 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:26:58,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3521 Valid, 9311 Invalid, 5123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1033 Valid, 4089 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-07-20 02:26:58,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13272 states. [2022-07-20 02:26:58,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13272 to 13044. [2022-07-20 02:26:58,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13044 states, 9351 states have (on average 1.2645706341567746) internal successors, (11825), 9470 states have internal predecessors, (11825), 3241 states have call successors, (3241), 435 states have call predecessors, (3241), 449 states have return successors, (3320), 3212 states have call predecessors, (3320), 3238 states have call successors, (3320) [2022-07-20 02:26:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13044 states to 13044 states and 18386 transitions. [2022-07-20 02:26:58,686 INFO L78 Accepts]: Start accepts. Automaton has 13044 states and 18386 transitions. Word has length 249 [2022-07-20 02:26:58,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:26:58,686 INFO L495 AbstractCegarLoop]: Abstraction has 13044 states and 18386 transitions. [2022-07-20 02:26:58,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 02:26:58,686 INFO L276 IsEmpty]: Start isEmpty. Operand 13044 states and 18386 transitions. [2022-07-20 02:26:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-20 02:26:58,694 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:26:58,695 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 11, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2022-07-20 02:26:58,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 02:26:58,695 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:26:58,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:26:58,695 INFO L85 PathProgramCache]: Analyzing trace with hash 669171975, now seen corresponding path program 1 times [2022-07-20 02:26:58,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:26:58,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408540262] [2022-07-20 02:26:58,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:26:58,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:26:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:26:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:26:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:26:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:26:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:26:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:26:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:26:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:26:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:26:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:58,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:26:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:26:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:26:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:26:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:26:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:26:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:26:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:26:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:26:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:26:59,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:26:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:26:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:26:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:26:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 02:26:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 02:26:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:26:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 02:26:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 02:26:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 02:26:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:26:59,171 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2022-07-20 02:26:59,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:26:59,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408540262] [2022-07-20 02:26:59,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408540262] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:26:59,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:26:59,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:26:59,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145218853] [2022-07-20 02:26:59,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:26:59,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:26:59,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:26:59,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:26:59,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:26:59,175 INFO L87 Difference]: Start difference. First operand 13044 states and 18386 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-20 02:27:01,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:27:07,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:27:07,450 INFO L93 Difference]: Finished difference Result 13278 states and 18700 transitions. [2022-07-20 02:27:07,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:27:07,450 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 236 [2022-07-20 02:27:07,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:27:07,516 INFO L225 Difference]: With dead ends: 13278 [2022-07-20 02:27:07,516 INFO L226 Difference]: Without dead ends: 13274 [2022-07-20 02:27:07,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:27:07,531 INFO L413 NwaCegarLoop]: 3403 mSDtfsCounter, 3095 mSDsluCounter, 5908 mSDsCounter, 0 mSdLazyCounter, 4089 mSolverCounterSat, 1032 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3532 SdHoareTripleChecker+Valid, 9311 SdHoareTripleChecker+Invalid, 5122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1032 IncrementalHoareTripleChecker+Valid, 4089 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-07-20 02:27:07,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3532 Valid, 9311 Invalid, 5122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1032 Valid, 4089 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-07-20 02:27:07,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13274 states. [2022-07-20 02:27:08,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13274 to 13046. [2022-07-20 02:27:08,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13046 states, 9353 states have (on average 1.264407142093446) internal successors, (11826), 9471 states have internal predecessors, (11826), 3241 states have call successors, (3241), 436 states have call predecessors, (3241), 449 states have return successors, (3320), 3212 states have call predecessors, (3320), 3238 states have call successors, (3320) [2022-07-20 02:27:08,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13046 states to 13046 states and 18387 transitions. [2022-07-20 02:27:08,092 INFO L78 Accepts]: Start accepts. Automaton has 13046 states and 18387 transitions. Word has length 236 [2022-07-20 02:27:08,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:27:08,093 INFO L495 AbstractCegarLoop]: Abstraction has 13046 states and 18387 transitions. [2022-07-20 02:27:08,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-20 02:27:08,093 INFO L276 IsEmpty]: Start isEmpty. Operand 13046 states and 18387 transitions. [2022-07-20 02:27:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-20 02:27:08,108 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:27:08,108 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 12, 11, 11, 10, 10, 10, 10, 10, 10, 4, 4, 4, 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] [2022-07-20 02:27:08,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 02:27:08,109 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:27:08,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:27:08,109 INFO L85 PathProgramCache]: Analyzing trace with hash 310226023, now seen corresponding path program 1 times [2022-07-20 02:27:08,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:27:08,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842428085] [2022-07-20 02:27:08,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:27:08,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:27:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:27:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:27:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:27:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:27:08,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:27:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:27:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:27:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:27:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:27:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:27:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:27:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:27:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:27:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:27:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 02:27:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-07-20 02:27:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-20 02:27:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 02:27:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:27:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:27:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-20 02:27:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-20 02:27:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 02:27:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 02:27:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:27:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 02:27:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 02:27:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 02:27:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-20 02:27:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2022-07-20 02:27:08,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:27:08,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842428085] [2022-07-20 02:27:08,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842428085] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:27:08,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:27:08,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 02:27:08,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334436841] [2022-07-20 02:27:08,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:27:08,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 02:27:08,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:27:08,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 02:27:08,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 02:27:08,714 INFO L87 Difference]: Start difference. First operand 13046 states and 18387 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 02:27:11,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:27:16,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:27:16,492 INFO L93 Difference]: Finished difference Result 13274 states and 18696 transitions. [2022-07-20 02:27:16,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 02:27:16,492 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 241 [2022-07-20 02:27:16,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:27:16,561 INFO L225 Difference]: With dead ends: 13274 [2022-07-20 02:27:16,561 INFO L226 Difference]: Without dead ends: 13189 [2022-07-20 02:27:16,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:27:16,577 INFO L413 NwaCegarLoop]: 3400 mSDtfsCounter, 3089 mSDsluCounter, 5908 mSDsCounter, 0 mSdLazyCounter, 4084 mSolverCounterSat, 1031 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3526 SdHoareTripleChecker+Valid, 9308 SdHoareTripleChecker+Invalid, 5116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1031 IncrementalHoareTripleChecker+Valid, 4084 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:27:16,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3526 Valid, 9308 Invalid, 5116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1031 Valid, 4084 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-07-20 02:27:16,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13189 states. [2022-07-20 02:27:17,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13189 to 12961. [2022-07-20 02:27:17,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12961 states, 9302 states have (on average 1.2652117824123845) internal successors, (11769), 9416 states have internal predecessors, (11769), 3219 states have call successors, (3219), 423 states have call predecessors, (3219), 438 states have return successors, (3301), 3195 states have call predecessors, (3301), 3219 states have call successors, (3301) [2022-07-20 02:27:17,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12961 states to 12961 states and 18289 transitions. [2022-07-20 02:27:17,234 INFO L78 Accepts]: Start accepts. Automaton has 12961 states and 18289 transitions. Word has length 241 [2022-07-20 02:27:17,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:27:17,234 INFO L495 AbstractCegarLoop]: Abstraction has 12961 states and 18289 transitions. [2022-07-20 02:27:17,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 4 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-20 02:27:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 12961 states and 18289 transitions. [2022-07-20 02:27:17,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-20 02:27:17,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:27:17,247 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 4, 4, 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] [2022-07-20 02:27:17,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 02:27:17,247 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:27:17,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:27:17,248 INFO L85 PathProgramCache]: Analyzing trace with hash -858321435, now seen corresponding path program 1 times [2022-07-20 02:27:17,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:27:17,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077900153] [2022-07-20 02:27:17,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:27:17,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:27:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:27:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:27:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:27:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:27:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:27:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:27:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:27:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:27:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:27:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:27:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:27:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-20 02:27:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 02:27:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 02:27:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 02:27:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 02:27:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 02:27:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-20 02:27:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:27:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 02:27:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:27:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 02:27:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 02:27:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 02:27:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 02:27:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:17,791 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2022-07-20 02:27:17,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:27:17,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077900153] [2022-07-20 02:27:17,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077900153] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:27:17,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:27:17,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:27:17,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192336348] [2022-07-20 02:27:17,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:27:17,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:27:17,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:27:17,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:27:17,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:27:17,796 INFO L87 Difference]: Start difference. First operand 12961 states and 18289 transitions. Second operand has 5 states, 5 states have (on average 22.8) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 02:27:21,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:27:24,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:27:32,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:27:35,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:27:35,167 INFO L93 Difference]: Finished difference Result 36882 states and 52016 transitions. [2022-07-20 02:27:35,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 02:27:35,168 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 276 [2022-07-20 02:27:35,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:27:35,313 INFO L225 Difference]: With dead ends: 36882 [2022-07-20 02:27:35,314 INFO L226 Difference]: Without dead ends: 23946 [2022-07-20 02:27:35,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:27:35,414 INFO L413 NwaCegarLoop]: 3540 mSDtfsCounter, 3885 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 4048 mSolverCounterSat, 2882 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4245 SdHoareTripleChecker+Valid, 8016 SdHoareTripleChecker+Invalid, 6932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2882 IncrementalHoareTripleChecker+Valid, 4048 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:27:35,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4245 Valid, 8016 Invalid, 6932 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2882 Valid, 4048 Invalid, 2 Unknown, 0 Unchecked, 16.1s Time] [2022-07-20 02:27:35,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23946 states. [2022-07-20 02:27:36,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23946 to 23172. [2022-07-20 02:27:36,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23172 states, 16544 states have (on average 1.2565280464216635) internal successors, (20788), 16766 states have internal predecessors, (20788), 5831 states have call successors, (5831), 765 states have call predecessors, (5831), 795 states have return successors, (5991), 5774 states have call predecessors, (5991), 5831 states have call successors, (5991) [2022-07-20 02:27:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23172 states to 23172 states and 32610 transitions. [2022-07-20 02:27:36,582 INFO L78 Accepts]: Start accepts. Automaton has 23172 states and 32610 transitions. Word has length 276 [2022-07-20 02:27:36,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:27:36,582 INFO L495 AbstractCegarLoop]: Abstraction has 23172 states and 32610 transitions. [2022-07-20 02:27:36,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 3 states have internal predecessors, (114), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 02:27:36,583 INFO L276 IsEmpty]: Start isEmpty. Operand 23172 states and 32610 transitions. [2022-07-20 02:27:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2022-07-20 02:27:36,611 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:27:36,611 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 13, 13, 13, 13, 13, 13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:27:36,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 02:27:36,612 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:27:36,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:27:36,612 INFO L85 PathProgramCache]: Analyzing trace with hash -227258691, now seen corresponding path program 1 times [2022-07-20 02:27:36,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:27:36,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878291136] [2022-07-20 02:27:36,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:27:36,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:27:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:27:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:27:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:27:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:27:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:27:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:27:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:27:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:27:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:27:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:27:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:27:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-20 02:27:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 02:27:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-07-20 02:27:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-20 02:27:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:37,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 02:27:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 02:27:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-20 02:27:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-20 02:27:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-20 02:27:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-20 02:27:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-20 02:27:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 02:27:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-20 02:27:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 02:27:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-20 02:27:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-20 02:27:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-20 02:27:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-20 02:27:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-20 02:27:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-20 02:27:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-20 02:27:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-20 02:27:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-20 02:27:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-20 02:27:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-20 02:27:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-20 02:27:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:27:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 02:27:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 02:27:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 02:27:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 02:27:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:37,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2022-07-20 02:27:37,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:27:37,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878291136] [2022-07-20 02:27:37,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878291136] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:27:37,470 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:27:37,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:27:37,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443716127] [2022-07-20 02:27:37,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:27:37,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:27:37,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:27:37,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:27:37,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:27:37,473 INFO L87 Difference]: Start difference. First operand 23172 states and 32610 transitions. Second operand has 5 states, 5 states have (on average 41.2) internal successors, (206), 3 states have internal predecessors, (206), 3 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-20 02:27:41,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:27:48,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:27:51,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:27:51,718 INFO L93 Difference]: Finished difference Result 46742 states and 65599 transitions. [2022-07-20 02:27:51,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 02:27:51,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 3 states have internal predecessors, (206), 3 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 544 [2022-07-20 02:27:51,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:27:51,863 INFO L225 Difference]: With dead ends: 46742 [2022-07-20 02:27:51,864 INFO L226 Difference]: Without dead ends: 23536 [2022-07-20 02:27:52,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:27:52,188 INFO L413 NwaCegarLoop]: 4524 mSDtfsCounter, 3123 mSDsluCounter, 5485 mSDsCounter, 0 mSdLazyCounter, 4198 mSolverCounterSat, 2155 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3467 SdHoareTripleChecker+Valid, 10009 SdHoareTripleChecker+Invalid, 6355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2155 IncrementalHoareTripleChecker+Valid, 4198 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-07-20 02:27:52,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3467 Valid, 10009 Invalid, 6355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2155 Valid, 4198 Invalid, 2 Unknown, 0 Unchecked, 13.0s Time] [2022-07-20 02:27:52,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23536 states. [2022-07-20 02:27:53,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23536 to 22705. [2022-07-20 02:27:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22705 states, 16237 states have (on average 1.247644269261563) internal successors, (20258), 16436 states have internal predecessors, (20258), 5630 states have call successors, (5630), 810 states have call predecessors, (5630), 836 states have return successors, (5770), 5574 states have call predecessors, (5770), 5630 states have call successors, (5770) [2022-07-20 02:27:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22705 states to 22705 states and 31658 transitions. [2022-07-20 02:27:53,164 INFO L78 Accepts]: Start accepts. Automaton has 22705 states and 31658 transitions. Word has length 544 [2022-07-20 02:27:53,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:27:53,165 INFO L495 AbstractCegarLoop]: Abstraction has 22705 states and 31658 transitions. [2022-07-20 02:27:53,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 41.2) internal successors, (206), 3 states have internal predecessors, (206), 3 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-20 02:27:53,165 INFO L276 IsEmpty]: Start isEmpty. Operand 22705 states and 31658 transitions. [2022-07-20 02:27:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2022-07-20 02:27:53,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:27:53,189 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 20, 20, 13, 13, 13, 13, 13, 13, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:27:53,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-20 02:27:53,190 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:27:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:27:53,190 INFO L85 PathProgramCache]: Analyzing trace with hash -2113042575, now seen corresponding path program 1 times [2022-07-20 02:27:53,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:27:53,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105192592] [2022-07-20 02:27:53,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:27:53,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:27:53,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:27:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:27:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:27:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:27:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:27:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:27:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:27:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:27:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:27:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:27:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:27:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:27:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:27:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:27:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-20 02:27:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 02:27:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:27:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 02:27:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-20 02:27:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-20 02:27:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:27:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 02:27:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-20 02:27:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-20 02:27:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 02:27:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-20 02:27:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-20 02:27:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:53,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 02:27:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:27:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:27:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-20 02:27:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:53,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-20 02:27:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-20 02:27:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-20 02:27:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-20 02:27:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-20 02:27:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-07-20 02:27:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-07-20 02:27:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-07-20 02:27:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-20 02:27:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-07-20 02:27:54,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-20 02:27:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-20 02:27:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2022-07-20 02:27:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-20 02:27:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-20 02:27:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:27:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:27:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 02:27:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 02:27:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 02:27:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 02:27:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:27:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2150 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2140 trivial. 0 not checked. [2022-07-20 02:27:54,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:27:54,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105192592] [2022-07-20 02:27:54,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105192592] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:27:54,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:27:54,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:27:54,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532582955] [2022-07-20 02:27:54,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:27:54,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:27:54,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:27:54,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:27:54,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:27:54,242 INFO L87 Difference]: Start difference. First operand 22705 states and 31658 transitions. Second operand has 5 states, 5 states have (on average 45.8) internal successors, (229), 3 states have internal predecessors, (229), 3 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-07-20 02:27:59,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:28:07,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:28:10,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:28:13,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:28:13,387 INFO L93 Difference]: Finished difference Result 53819 states and 74994 transitions. [2022-07-20 02:28:13,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 02:28:13,388 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 45.8) internal successors, (229), 3 states have internal predecessors, (229), 3 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 604 [2022-07-20 02:28:13,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:28:13,603 INFO L225 Difference]: With dead ends: 53819 [2022-07-20 02:28:13,603 INFO L226 Difference]: Without dead ends: 31188 [2022-07-20 02:28:13,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 02:28:13,736 INFO L413 NwaCegarLoop]: 5034 mSDtfsCounter, 3057 mSDsluCounter, 6189 mSDsCounter, 0 mSdLazyCounter, 4282 mSolverCounterSat, 1986 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3400 SdHoareTripleChecker+Valid, 11223 SdHoareTripleChecker+Invalid, 6271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1986 IncrementalHoareTripleChecker+Valid, 4282 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:28:13,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3400 Valid, 11223 Invalid, 6271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1986 Valid, 4282 Invalid, 3 Unknown, 0 Unchecked, 17.3s Time] [2022-07-20 02:28:13,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31188 states. [2022-07-20 02:28:15,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31188 to 30039. [2022-07-20 02:28:15,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30039 states, 21489 states have (on average 1.244078365675462) internal successors, (26734), 21740 states have internal predecessors, (26734), 7406 states have call successors, (7406), 1110 states have call predecessors, (7406), 1142 states have return successors, (7576), 7332 states have call predecessors, (7576), 7406 states have call successors, (7576) [2022-07-20 02:28:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30039 states to 30039 states and 41716 transitions. [2022-07-20 02:28:15,212 INFO L78 Accepts]: Start accepts. Automaton has 30039 states and 41716 transitions. Word has length 604 [2022-07-20 02:28:15,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:28:15,212 INFO L495 AbstractCegarLoop]: Abstraction has 30039 states and 41716 transitions. [2022-07-20 02:28:15,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 45.8) internal successors, (229), 3 states have internal predecessors, (229), 3 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2022-07-20 02:28:15,213 INFO L276 IsEmpty]: Start isEmpty. Operand 30039 states and 41716 transitions. [2022-07-20 02:28:15,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2022-07-20 02:28:15,245 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:28:15,245 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 22, 22, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:28:15,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 02:28:15,245 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:28:15,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:28:15,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1567556461, now seen corresponding path program 1 times [2022-07-20 02:28:15,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:28:15,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786634961] [2022-07-20 02:28:15,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:28:15,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:28:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:28:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:28:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:28:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:28:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:28:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:15,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:28:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:28:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:15,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:28:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:28:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:28:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 02:28:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 02:28:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 02:28:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-20 02:28:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-20 02:28:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-07-20 02:28:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:28:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 02:28:15,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:15,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 02:28:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:28:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:28:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 02:28:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:28:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:28:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 02:28:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-20 02:28:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 02:28:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-20 02:28:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-20 02:28:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-20 02:28:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:28:16,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:28:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-20 02:28:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:28:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:28:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-20 02:28:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:28:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:28:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-20 02:28:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:28:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:28:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-20 02:28:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:28:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:28:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-20 02:28:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:28:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:28:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-20 02:28:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:28:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:28:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-20 02:28:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-20 02:28:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-20 02:28:16,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2022-07-20 02:28:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-20 02:28:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2022-07-20 02:28:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2022-07-20 02:28:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-20 02:28:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-20 02:28:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2022-07-20 02:28:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-20 02:28:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2022-07-20 02:28:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2022-07-20 02:28:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2022-07-20 02:28:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2022-07-20 02:28:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2022-07-20 02:28:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:28:16,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:28:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 02:28:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-20 02:28:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 02:28:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-20 02:28:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:28:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2827 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 2791 trivial. 0 not checked. [2022-07-20 02:28:16,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:28:16,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786634961] [2022-07-20 02:28:16,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786634961] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:28:16,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:28:16,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:28:16,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951059013] [2022-07-20 02:28:16,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:28:16,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:28:16,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:28:16,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:28:16,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:28:16,523 INFO L87 Difference]: Start difference. First operand 30039 states and 41716 transitions. Second operand has 5 states, 5 states have (on average 50.8) internal successors, (254), 3 states have internal predecessors, (254), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-20 02:28:19,958 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:28:23,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:28:31,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:28:33,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:28:36,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:28:36,862 INFO L93 Difference]: Finished difference Result 68744 states and 95450 transitions. [2022-07-20 02:28:36,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 02:28:36,863 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 50.8) internal successors, (254), 3 states have internal predecessors, (254), 3 states have call successors, (62), 4 states have call predecessors, (62), 1 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 678 [2022-07-20 02:28:36,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted.