./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 11:19:48,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 11:19:48,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 11:19:48,849 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 11:19:48,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 11:19:48,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 11:19:48,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 11:19:48,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 11:19:48,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 11:19:48,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 11:19:48,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 11:19:48,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 11:19:48,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 11:19:48,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 11:19:48,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 11:19:48,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 11:19:48,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 11:19:48,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 11:19:48,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 11:19:48,877 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 11:19:48,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 11:19:48,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 11:19:48,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 11:19:48,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 11:19:48,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 11:19:48,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 11:19:48,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 11:19:48,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 11:19:48,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 11:19:48,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 11:19:48,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 11:19:48,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 11:19:48,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 11:19:48,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 11:19:48,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 11:19:48,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 11:19:48,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 11:19:48,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 11:19:48,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 11:19:48,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 11:19:48,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 11:19:48,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 11:19:48,921 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 11:19:48,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 11:19:48,921 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 11:19:48,921 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 11:19:48,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 11:19:48,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 11:19:48,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 11:19:48,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 11:19:48,923 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 11:19:48,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 11:19:48,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 11:19:48,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 11:19:48,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 11:19:48,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 11:19:48,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 11:19:48,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 11:19:48,925 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 11:19:48,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 11:19:48,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 11:19:48,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 11:19:48,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 11:19:48,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:19:48,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 11:19:48,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 11:19:48,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 11:19:48,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 11:19:48,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 11:19:48,927 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 11:19:48,927 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 11:19:48,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 11:19:48,927 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 11:19:48,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 [2021-11-17 11:19:49,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 11:19:49,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 11:19:49,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 11:19:49,120 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 11:19:49,121 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 11:19:49,121 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-17 11:19:49,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d821e7bd/a1453b02512145058906e886e6b6bde9/FLAG39324976e [2021-11-17 11:19:49,901 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 11:19:49,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-17 11:19:49,956 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d821e7bd/a1453b02512145058906e886e6b6bde9/FLAG39324976e [2021-11-17 11:19:50,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d821e7bd/a1453b02512145058906e886e6b6bde9 [2021-11-17 11:19:50,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 11:19:50,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 11:19:50,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 11:19:50,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 11:19:50,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 11:19:50,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:19:50" (1/1) ... [2021-11-17 11:19:50,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b15b3a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:50, skipping insertion in model container [2021-11-17 11:19:50,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:19:50" (1/1) ... [2021-11-17 11:19:50,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 11:19:50,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 11:19:53,001 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2021-11-17 11:19:53,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2021-11-17 11:19:53,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2021-11-17 11:19:53,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2021-11-17 11:19:53,016 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:19:53,058 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 11:19:53,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2021-11-17 11:19:53,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2021-11-17 11:19:53,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2021-11-17 11:19:53,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2021-11-17 11:19:53,395 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:19:53,546 INFO L208 MainTranslator]: Completed translation [2021-11-17 11:19:53,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:53 WrapperNode [2021-11-17 11:19:53,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 11:19:53,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 11:19:53,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 11:19:53,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 11:19:53,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:53" (1/1) ... [2021-11-17 11:19:53,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:53" (1/1) ... [2021-11-17 11:19:53,880 INFO L137 Inliner]: procedures = 473, calls = 4636, calls flagged for inlining = 228, calls inlined = 198, statements flattened = 8908 [2021-11-17 11:19:53,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 11:19:53,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 11:19:53,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 11:19:53,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 11:19:53,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:53" (1/1) ... [2021-11-17 11:19:53,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:53" (1/1) ... [2021-11-17 11:19:53,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:53" (1/1) ... [2021-11-17 11:19:53,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:53" (1/1) ... [2021-11-17 11:19:54,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:53" (1/1) ... [2021-11-17 11:19:54,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:53" (1/1) ... [2021-11-17 11:19:54,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:53" (1/1) ... [2021-11-17 11:19:54,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 11:19:54,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 11:19:54,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 11:19:54,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 11:19:54,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:53" (1/1) ... [2021-11-17 11:19:54,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:19:54,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 11:19:54,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 11:19:54,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 11:19:54,272 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2021-11-17 11:19:54,272 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2021-11-17 11:19:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-11-17 11:19:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-11-17 11:19:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2021-11-17 11:19:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2021-11-17 11:19:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2021-11-17 11:19:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2021-11-17 11:19:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 11:19:54,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 11:19:54,273 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2021-11-17 11:19:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2021-11-17 11:19:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2021-11-17 11:19:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2021-11-17 11:19:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 11:19:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 11:19:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2021-11-17 11:19:54,274 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2021-11-17 11:19:54,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:19:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:19:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2021-11-17 11:19:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2021-11-17 11:19:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2021-11-17 11:19:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2021-11-17 11:19:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2021-11-17 11:19:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2021-11-17 11:19:54,275 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2021-11-17 11:19:54,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2021-11-17 11:19:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2021-11-17 11:19:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2021-11-17 11:19:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2021-11-17 11:19:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2021-11-17 11:19:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 11:19:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 11:19:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-17 11:19:54,276 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-17 11:19:54,276 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 11:19:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 11:19:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 11:19:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 11:19:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 11:19:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2021-11-17 11:19:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2021-11-17 11:19:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2021-11-17 11:19:54,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2021-11-17 11:19:54,277 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2021-11-17 11:19:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2021-11-17 11:19:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-17 11:19:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-17 11:19:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 11:19:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 11:19:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2021-11-17 11:19:54,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2021-11-17 11:19:54,278 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2021-11-17 11:19:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2021-11-17 11:19:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2021-11-17 11:19:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2021-11-17 11:19:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-17 11:19:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-17 11:19:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 11:19:54,279 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2021-11-17 11:19:54,279 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2021-11-17 11:19:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-11-17 11:19:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-11-17 11:19:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 11:19:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 11:19:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 11:19:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2021-11-17 11:19:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2021-11-17 11:19:54,280 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2021-11-17 11:19:54,280 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2021-11-17 11:19:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 11:19:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2021-11-17 11:19:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2021-11-17 11:19:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 11:19:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 11:19:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 11:19:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 11:19:54,281 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2021-11-17 11:19:54,281 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2021-11-17 11:19:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:19:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:19:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2021-11-17 11:19:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2021-11-17 11:19:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2021-11-17 11:19:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2021-11-17 11:19:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 11:19:54,282 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2021-11-17 11:19:54,282 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2021-11-17 11:19:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2021-11-17 11:19:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2021-11-17 11:19:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 11:19:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 11:19:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2021-11-17 11:19:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2021-11-17 11:19:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 11:19:54,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 11:19:54,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 11:19:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2021-11-17 11:19:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2021-11-17 11:19:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 11:19:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 11:19:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2021-11-17 11:19:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2021-11-17 11:19:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 11:19:54,284 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2021-11-17 11:19:54,284 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2021-11-17 11:19:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2021-11-17 11:19:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2021-11-17 11:19:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:19:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:19:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2021-11-17 11:19:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2021-11-17 11:19:54,285 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2021-11-17 11:19:54,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2021-11-17 11:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 11:19:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 11:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2021-11-17 11:19:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2021-11-17 11:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-17 11:19:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-17 11:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 11:19:54,286 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 11:19:54,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 11:19:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 11:19:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 11:19:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 11:19:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-17 11:19:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-17 11:19:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 11:19:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 11:19:54,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 11:19:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 11:19:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-11-17 11:19:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-11-17 11:19:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-17 11:19:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-17 11:19:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2021-11-17 11:19:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2021-11-17 11:19:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:19:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:19:54,288 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 11:19:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 11:19:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2021-11-17 11:19:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2021-11-17 11:19:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-17 11:19:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-17 11:19:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2021-11-17 11:19:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2021-11-17 11:19:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2021-11-17 11:19:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2021-11-17 11:19:54,289 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2021-11-17 11:19:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2021-11-17 11:19:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 11:19:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 11:19:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2021-11-17 11:19:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2021-11-17 11:19:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 11:19:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 11:19:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 11:19:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 11:19:54,290 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-17 11:19:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-17 11:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 11:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 11:19:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 11:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2021-11-17 11:19:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2021-11-17 11:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 11:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2021-11-17 11:19:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2021-11-17 11:19:54,291 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2021-11-17 11:19:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2021-11-17 11:19:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2021-11-17 11:19:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2021-11-17 11:19:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-17 11:19:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-17 11:19:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 11:19:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2021-11-17 11:19:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2021-11-17 11:19:54,292 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 11:19:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 11:19:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2021-11-17 11:19:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2021-11-17 11:19:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 11:19:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 11:19:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 11:19:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 11:19:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2021-11-17 11:19:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2021-11-17 11:19:54,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 11:19:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 11:19:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 11:19:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 11:19:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2021-11-17 11:19:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2021-11-17 11:19:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-17 11:19:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-17 11:19:54,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 11:19:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 11:19:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2021-11-17 11:19:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2021-11-17 11:19:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-11-17 11:19:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-11-17 11:19:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2021-11-17 11:19:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2021-11-17 11:19:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 11:19:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 11:19:54,295 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2021-11-17 11:19:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2021-11-17 11:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2021-11-17 11:19:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2021-11-17 11:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2021-11-17 11:19:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2021-11-17 11:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 11:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2021-11-17 11:19:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2021-11-17 11:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 11:19:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 11:19:54,296 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2021-11-17 11:19:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2021-11-17 11:19:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-17 11:19:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-17 11:19:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 11:19:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 11:19:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2021-11-17 11:19:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2021-11-17 11:19:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 11:19:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 11:19:54,297 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 11:19:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 11:19:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2021-11-17 11:19:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2021-11-17 11:19:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2021-11-17 11:19:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2021-11-17 11:19:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2021-11-17 11:19:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2021-11-17 11:19:54,298 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2021-11-17 11:19:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2021-11-17 11:19:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2021-11-17 11:19:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2021-11-17 11:19:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-17 11:19:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 11:19:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-17 11:19:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-17 11:19:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2021-11-17 11:19:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2021-11-17 11:19:54,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 11:19:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 11:19:55,115 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 11:19:55,118 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 11:19:55,420 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 11:20:11,691 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 11:20:11,884 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 11:20:11,907 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 11:20:11,908 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 11:20:11,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:20:11 BoogieIcfgContainer [2021-11-17 11:20:11,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 11:20:11,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 11:20:11,912 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 11:20:11,914 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 11:20:11,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:19:50" (1/3) ... [2021-11-17 11:20:11,915 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ae1097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:20:11, skipping insertion in model container [2021-11-17 11:20:11,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:19:53" (2/3) ... [2021-11-17 11:20:11,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ae1097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:20:11, skipping insertion in model container [2021-11-17 11:20:11,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:20:11" (3/3) ... [2021-11-17 11:20:11,917 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-17 11:20:11,920 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 11:20:11,920 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 11:20:11,967 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 11:20:11,981 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 11:20:11,981 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 11:20:12,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 2661 states, 1854 states have (on average 1.306903991370011) internal successors, (2423), 1858 states have internal predecessors, (2423), 689 states have call successors, (689), 116 states have call predecessors, (689), 115 states have return successors, (681), 681 states have call predecessors, (681), 681 states have call successors, (681) [2021-11-17 11:20:12,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2021-11-17 11:20:12,064 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:20:12,065 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:20:12,065 INFO L402 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)] === [2021-11-17 11:20:12,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:20:12,070 INFO L85 PathProgramCache]: Analyzing trace with hash -263096511, now seen corresponding path program 1 times [2021-11-17 11:20:12,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:20:12,081 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603085272] [2021-11-17 11:20:12,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:20:12,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:20:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:20:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:20:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:20:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:20:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:20:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:20:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:20:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:20:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:20:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:12,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:20:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:20:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:20:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:20:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:20:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:20:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:20:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:20:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:20:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:20:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:20:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:20:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:20:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:20:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:20:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:20:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:20:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:20:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:20:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:20:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:20:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:20:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:20:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:20:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:20:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:20:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:20:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:20:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-11-17 11:20:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5778 trivial. 0 not checked. [2021-11-17 11:20:13,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:20:13,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603085272] [2021-11-17 11:20:13,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603085272] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:20:13,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:20:13,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:20:13,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124036523] [2021-11-17 11:20:13,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:20:13,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:20:13,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:20:13,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:20:13,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:20:13,808 INFO L87 Difference]: Start difference. First operand has 2661 states, 1854 states have (on average 1.306903991370011) internal successors, (2423), 1858 states have internal predecessors, (2423), 689 states have call successors, (689), 116 states have call predecessors, (689), 115 states have return successors, (681), 681 states have call predecessors, (681), 681 states have call successors, (681) Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-17 11:20:15,885 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:20:17,935 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:20:22,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:20:22,848 INFO L93 Difference]: Finished difference Result 7769 states and 11221 transitions. [2021-11-17 11:20:22,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:20:22,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 430 [2021-11-17 11:20:22,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:20:22,913 INFO L225 Difference]: With dead ends: 7769 [2021-11-17 11:20:22,913 INFO L226 Difference]: Without dead ends: 5173 [2021-11-17 11:20:22,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:20:22,941 INFO L933 BasicCegarLoop]: 4280 mSDtfsCounter, 3865 mSDsluCounter, 5587 mSDsCounter, 0 mSdLazyCounter, 1561 mSolverCounterSat, 1424 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4269 SdHoareTripleChecker+Valid, 9867 SdHoareTripleChecker+Invalid, 2987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1424 IncrementalHoareTripleChecker+Valid, 1561 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-11-17 11:20:22,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4269 Valid, 9867 Invalid, 2987 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1424 Valid, 1561 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2021-11-17 11:20:22,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5173 states. [2021-11-17 11:20:23,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5173 to 5101. [2021-11-17 11:20:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5101 states, 3583 states have (on average 1.3067262070890315) internal successors, (4682), 3590 states have internal predecessors, (4682), 1289 states have call successors, (1289), 227 states have call predecessors, (1289), 226 states have return successors, (1285), 1285 states have call predecessors, (1285), 1285 states have call successors, (1285) [2021-11-17 11:20:23,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5101 states to 5101 states and 7256 transitions. [2021-11-17 11:20:23,246 INFO L78 Accepts]: Start accepts. Automaton has 5101 states and 7256 transitions. Word has length 430 [2021-11-17 11:20:23,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:20:23,248 INFO L470 AbstractCegarLoop]: Abstraction has 5101 states and 7256 transitions. [2021-11-17 11:20:23,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2021-11-17 11:20:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 5101 states and 7256 transitions. [2021-11-17 11:20:23,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-11-17 11:20:23,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:20:23,264 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:20:23,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 11:20:23,265 INFO L402 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)] === [2021-11-17 11:20:23,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:20:23,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1368317239, now seen corresponding path program 1 times [2021-11-17 11:20:23,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:20:23,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461738706] [2021-11-17 11:20:23,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:20:23,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:20:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:20:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:20:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:20:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:20:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:20:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:20:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:20:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:20:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:20:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:20:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:20:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:20:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:20:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:20:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:20:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:20:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:20:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:20:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:20:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:20:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:20:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:20:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:20:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:20:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:23,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:20:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:20:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:20:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:20:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:20:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:20:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:20:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:20:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:20:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:20:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:20:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:20:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:20:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-11-17 11:20:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 11:20:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 11:20:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-11-17 11:20:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-11-17 11:20:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 11:20:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-11-17 11:20:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-11-17 11:20:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-17 11:20:24,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:20:24,417 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461738706] [2021-11-17 11:20:24,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461738706] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:20:24,417 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:20:24,417 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:20:24,417 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392693514] [2021-11-17 11:20:24,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:20:24,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:20:24,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:20:24,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:20:24,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:20:24,420 INFO L87 Difference]: Start difference. First operand 5101 states and 7256 transitions. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 11:20:26,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:20:28,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:20:30,574 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:20:35,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:20:38,391 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:20:41,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:20:45,933 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:20:48,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:20:51,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:20:54,056 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:20:55,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:20:55,452 INFO L93 Difference]: Finished difference Result 12802 states and 18382 transitions. [2021-11-17 11:20:55,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 11:20:55,453 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 480 [2021-11-17 11:20:55,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:20:55,543 INFO L225 Difference]: With dead ends: 12802 [2021-11-17 11:20:55,543 INFO L226 Difference]: Without dead ends: 7778 [2021-11-17 11:20:55,565 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 11:20:55,567 INFO L933 BasicCegarLoop]: 4123 mSDtfsCounter, 4645 mSDsluCounter, 7135 mSDsCounter, 0 mSdLazyCounter, 3303 mSolverCounterSat, 3142 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5177 SdHoareTripleChecker+Valid, 11258 SdHoareTripleChecker+Invalid, 6455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3142 IncrementalHoareTripleChecker+Valid, 3303 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.5s IncrementalHoareTripleChecker+Time [2021-11-17 11:20:55,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5177 Valid, 11258 Invalid, 6455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3142 Valid, 3303 Invalid, 10 Unknown, 0 Unchecked, 30.5s Time] [2021-11-17 11:20:55,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7778 states. [2021-11-17 11:20:55,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7778 to 7500. [2021-11-17 11:20:55,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7500 states, 5286 states have (on average 1.3057132046916382) internal successors, (6902), 5299 states have internal predecessors, (6902), 1869 states have call successors, (1869), 343 states have call predecessors, (1869), 342 states have return successors, (1865), 1860 states have call predecessors, (1865), 1865 states have call successors, (1865) [2021-11-17 11:20:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7500 states to 7500 states and 10636 transitions. [2021-11-17 11:20:55,996 INFO L78 Accepts]: Start accepts. Automaton has 7500 states and 10636 transitions. Word has length 480 [2021-11-17 11:20:55,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:20:55,998 INFO L470 AbstractCegarLoop]: Abstraction has 7500 states and 10636 transitions. [2021-11-17 11:20:55,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 11:20:55,999 INFO L276 IsEmpty]: Start isEmpty. Operand 7500 states and 10636 transitions. [2021-11-17 11:20:56,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-11-17 11:20:56,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:20:56,010 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:20:56,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 11:20:56,011 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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)] === [2021-11-17 11:20:56,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:20:56,011 INFO L85 PathProgramCache]: Analyzing trace with hash 596795748, now seen corresponding path program 1 times [2021-11-17 11:20:56,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:20:56,012 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285499223] [2021-11-17 11:20:56,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:20:56,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:20:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:20:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:20:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:20:56,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:20:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:20:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:20:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:20:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:20:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:20:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:20:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:20:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:20:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:20:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:20:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:20:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:20:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:20:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:20:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:20:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:20:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:20:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:20:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:20:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:20:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:20:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:20:56,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:20:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:20:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:20:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:20:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:20:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:20:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:20:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:20:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:20:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:56,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:20:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:20:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:57,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:20:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:57,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 11:20:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:57,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 11:20:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 11:20:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 11:20:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-17 11:20:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 11:20:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:57,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-17 11:20:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 11:20:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:20:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-17 11:20:57,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:20:57,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285499223] [2021-11-17 11:20:57,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285499223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:20:57,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:20:57,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:20:57,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501688909] [2021-11-17 11:20:57,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:20:57,086 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:20:57,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:20:57,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:20:57,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:20:57,087 INFO L87 Difference]: Start difference. First operand 7500 states and 10636 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 11:20:59,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:01,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:03,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:09,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:12,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:16,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:18,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:22,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:25,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:27,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:21:27,472 INFO L93 Difference]: Finished difference Result 22483 states and 32244 transitions. [2021-11-17 11:21:27,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 11:21:27,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 488 [2021-11-17 11:21:27,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:21:27,579 INFO L225 Difference]: With dead ends: 22483 [2021-11-17 11:21:27,579 INFO L226 Difference]: Without dead ends: 15060 [2021-11-17 11:21:27,620 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 11:21:27,623 INFO L933 BasicCegarLoop]: 4130 mSDtfsCounter, 4547 mSDsluCounter, 7155 mSDsCounter, 0 mSdLazyCounter, 3277 mSolverCounterSat, 3102 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5080 SdHoareTripleChecker+Valid, 11285 SdHoareTripleChecker+Invalid, 6388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3102 IncrementalHoareTripleChecker+Valid, 3277 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.7s IncrementalHoareTripleChecker+Time [2021-11-17 11:21:27,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5080 Valid, 11285 Invalid, 6388 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3102 Valid, 3277 Invalid, 9 Unknown, 0 Unchecked, 29.7s Time] [2021-11-17 11:21:27,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15060 states. [2021-11-17 11:21:28,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15060 to 14544. [2021-11-17 11:21:28,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14544 states, 10282 states have (on average 1.3066524022563704) internal successors, (13435), 10312 states have internal predecessors, (13435), 3590 states have call successors, (3590), 670 states have call predecessors, (3590), 669 states have return successors, (3586), 3567 states have call predecessors, (3586), 3586 states have call successors, (3586) [2021-11-17 11:21:28,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14544 states to 14544 states and 20611 transitions. [2021-11-17 11:21:28,180 INFO L78 Accepts]: Start accepts. Automaton has 14544 states and 20611 transitions. Word has length 488 [2021-11-17 11:21:28,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:21:28,181 INFO L470 AbstractCegarLoop]: Abstraction has 14544 states and 20611 transitions. [2021-11-17 11:21:28,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 11:21:28,182 INFO L276 IsEmpty]: Start isEmpty. Operand 14544 states and 20611 transitions. [2021-11-17 11:21:28,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-11-17 11:21:28,195 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:21:28,195 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:21:28,196 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 11:21:28,196 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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)] === [2021-11-17 11:21:28,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:21:28,197 INFO L85 PathProgramCache]: Analyzing trace with hash 845280276, now seen corresponding path program 1 times [2021-11-17 11:21:28,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:21:28,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005487321] [2021-11-17 11:21:28,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:21:28,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:21:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:21:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:21:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:21:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:21:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:21:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:21:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:21:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:21:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:21:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:21:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:21:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:21:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:21:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:21:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:21:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:21:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:21:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:21:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:21:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:21:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:21:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:21:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:21:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:28,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:21:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:21:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:21:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:21:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:21:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:21:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:21:29,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:21:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:21:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:21:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:21:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:21:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:21:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:21:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 11:21:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 11:21:29,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 11:21:29,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 11:21:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 11:21:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-17 11:21:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2021-11-17 11:21:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-11-17 11:21:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:29,312 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-17 11:21:29,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:21:29,313 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005487321] [2021-11-17 11:21:29,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005487321] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:21:29,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:21:29,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:21:29,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471811362] [2021-11-17 11:21:29,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:21:29,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:21:29,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:21:29,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:21:29,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:21:29,316 INFO L87 Difference]: Start difference. First operand 14544 states and 20611 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 11:21:31,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:33,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:35,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:40,222 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:43,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:47,922 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:53,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:21:54,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:21:54,411 INFO L93 Difference]: Finished difference Result 39203 states and 56062 transitions. [2021-11-17 11:21:54,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 11:21:54,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 482 [2021-11-17 11:21:54,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:21:54,528 INFO L225 Difference]: With dead ends: 39203 [2021-11-17 11:21:54,529 INFO L226 Difference]: Without dead ends: 24736 [2021-11-17 11:21:54,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 11:21:54,583 INFO L933 BasicCegarLoop]: 4215 mSDtfsCounter, 4645 mSDsluCounter, 7267 mSDsCounter, 0 mSdLazyCounter, 3305 mSolverCounterSat, 3090 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5177 SdHoareTripleChecker+Valid, 11482 SdHoareTripleChecker+Invalid, 6402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3090 IncrementalHoareTripleChecker+Valid, 3305 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:21:54,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5177 Valid, 11482 Invalid, 6402 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3090 Valid, 3305 Invalid, 7 Unknown, 0 Unchecked, 24.2s Time] [2021-11-17 11:21:54,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24736 states. [2021-11-17 11:21:55,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24736 to 23890. [2021-11-17 11:21:55,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23890 states, 16924 states have (on average 1.3054242495863861) internal successors, (22093), 16982 states have internal predecessors, (22093), 5842 states have call successors, (5842), 1122 states have call predecessors, (5842), 1121 states have return successors, (5838), 5795 states have call predecessors, (5838), 5838 states have call successors, (5838) [2021-11-17 11:21:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23890 states to 23890 states and 33773 transitions. [2021-11-17 11:21:55,313 INFO L78 Accepts]: Start accepts. Automaton has 23890 states and 33773 transitions. Word has length 482 [2021-11-17 11:21:55,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:21:55,314 INFO L470 AbstractCegarLoop]: Abstraction has 23890 states and 33773 transitions. [2021-11-17 11:21:55,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 11:21:55,314 INFO L276 IsEmpty]: Start isEmpty. Operand 23890 states and 33773 transitions. [2021-11-17 11:21:55,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-11-17 11:21:55,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:21:55,326 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:21:55,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 11:21:55,327 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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)] === [2021-11-17 11:21:55,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:21:55,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1500503211, now seen corresponding path program 1 times [2021-11-17 11:21:55,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:21:55,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285870363] [2021-11-17 11:21:55,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:21:55,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:21:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:21:55,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:21:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:21:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:21:55,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:21:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:21:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:21:55,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:21:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:21:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:21:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:21:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:21:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:21:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:21:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:21:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:21:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:21:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:21:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:21:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:21:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:21:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:21:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:21:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:21:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:21:55,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:21:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:21:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:21:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:21:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:21:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:21:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:21:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:21:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:21:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:21:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:21:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:21:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:21:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2021-11-17 11:21:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-11-17 11:21:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 11:21:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-11-17 11:21:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-17 11:21:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 11:21:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-11-17 11:21:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 11:21:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:21:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-17 11:21:56,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:21:56,266 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285870363] [2021-11-17 11:21:56,267 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285870363] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:21:56,267 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:21:56,267 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:21:56,267 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052002503] [2021-11-17 11:21:56,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:21:56,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:21:56,268 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:21:56,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:21:56,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:21:56,269 INFO L87 Difference]: Start difference. First operand 23890 states and 33773 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 11:21:58,321 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:00,393 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:02,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:06,958 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:10,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:16,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:18,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:22,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:25,368 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:27,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:22:27,375 INFO L93 Difference]: Finished difference Result 66053 states and 94277 transitions. [2021-11-17 11:22:27,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 11:22:27,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 481 [2021-11-17 11:22:27,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:22:27,550 INFO L225 Difference]: With dead ends: 66053 [2021-11-17 11:22:27,550 INFO L226 Difference]: Without dead ends: 42240 [2021-11-17 11:22:27,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-17 11:22:27,612 INFO L933 BasicCegarLoop]: 4551 mSDtfsCounter, 4455 mSDsluCounter, 7572 mSDsCounter, 0 mSdLazyCounter, 3426 mSolverCounterSat, 2919 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4989 SdHoareTripleChecker+Valid, 12123 SdHoareTripleChecker+Invalid, 6354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2919 IncrementalHoareTripleChecker+Valid, 3426 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.8s IncrementalHoareTripleChecker+Time [2021-11-17 11:22:27,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4989 Valid, 12123 Invalid, 6354 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2919 Valid, 3426 Invalid, 9 Unknown, 0 Unchecked, 29.8s Time] [2021-11-17 11:22:27,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42240 states. [2021-11-17 11:22:28,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42240 to 40885. [2021-11-17 11:22:28,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40885 states, 29012 states have (on average 1.3049083138011857) internal successors, (37858), 29126 states have internal predecessors, (37858), 9937 states have call successors, (9937), 1934 states have call predecessors, (9937), 1933 states have return successors, (9933), 9842 states have call predecessors, (9933), 9933 states have call successors, (9933) [2021-11-17 11:22:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40885 states to 40885 states and 57728 transitions. [2021-11-17 11:22:28,885 INFO L78 Accepts]: Start accepts. Automaton has 40885 states and 57728 transitions. Word has length 481 [2021-11-17 11:22:28,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:22:28,886 INFO L470 AbstractCegarLoop]: Abstraction has 40885 states and 57728 transitions. [2021-11-17 11:22:28,887 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 11:22:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 40885 states and 57728 transitions. [2021-11-17 11:22:29,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-11-17 11:22:29,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:22:29,108 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:22:29,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 11:22:29,108 INFO L402 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)] === [2021-11-17 11:22:29,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:22:29,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1946866365, now seen corresponding path program 1 times [2021-11-17 11:22:29,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:22:29,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087235992] [2021-11-17 11:22:29,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:22:29,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:22:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:22:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:22:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:22:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:22:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:22:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:22:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:22:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:22:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:22:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:22:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:22:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:22:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:22:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:22:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:22:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:22:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:22:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:22:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:22:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:22:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:22:29,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:22:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:22:29,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:22:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:22:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:22:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:22:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:22:29,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:22:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:22:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:22:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:22:29,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:22:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:22:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:22:29,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:22:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:22:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 11:22:29,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 11:22:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 11:22:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 11:22:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:22:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 11:22:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 11:22:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:29,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6144 trivial. 0 not checked. [2021-11-17 11:22:29,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:22:29,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087235992] [2021-11-17 11:22:29,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087235992] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:22:29,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:22:29,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:22:29,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964112412] [2021-11-17 11:22:29,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:22:29,919 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:22:29,919 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:22:29,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:22:29,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:22:29,919 INFO L87 Difference]: Start difference. First operand 40885 states and 57728 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 11:22:31,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:34,045 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:39,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:22:39,114 INFO L93 Difference]: Finished difference Result 114928 states and 162399 transitions. [2021-11-17 11:22:39,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:22:39,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 493 [2021-11-17 11:22:39,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:22:39,678 INFO L225 Difference]: With dead ends: 114928 [2021-11-17 11:22:39,678 INFO L226 Difference]: Without dead ends: 77750 [2021-11-17 11:22:39,793 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:22:39,794 INFO L933 BasicCegarLoop]: 7096 mSDtfsCounter, 3457 mSDsluCounter, 7356 mSDsCounter, 0 mSdLazyCounter, 1740 mSolverCounterSat, 803 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3856 SdHoareTripleChecker+Valid, 14452 SdHoareTripleChecker+Invalid, 2545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 803 IncrementalHoareTripleChecker+Valid, 1740 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-17 11:22:39,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3856 Valid, 14452 Invalid, 2545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [803 Valid, 1740 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2021-11-17 11:22:39,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77750 states. [2021-11-17 11:22:41,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77750 to 76659. [2021-11-17 11:22:41,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76659 states, 54448 states have (on average 1.305557596238613) internal successors, (71085), 54594 states have internal predecessors, (71085), 18574 states have call successors, (18574), 3635 states have call predecessors, (18574), 3634 states have return successors, (18570), 18463 states have call predecessors, (18570), 18570 states have call successors, (18570) [2021-11-17 11:22:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76659 states to 76659 states and 108229 transitions. [2021-11-17 11:22:42,487 INFO L78 Accepts]: Start accepts. Automaton has 76659 states and 108229 transitions. Word has length 493 [2021-11-17 11:22:42,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:22:42,488 INFO L470 AbstractCegarLoop]: Abstraction has 76659 states and 108229 transitions. [2021-11-17 11:22:42,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2021-11-17 11:22:42,489 INFO L276 IsEmpty]: Start isEmpty. Operand 76659 states and 108229 transitions. [2021-11-17 11:22:42,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2021-11-17 11:22:42,501 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:22:42,502 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:22:42,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 11:22:42,503 INFO L402 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)] === [2021-11-17 11:22:42,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:22:42,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1646501057, now seen corresponding path program 1 times [2021-11-17 11:22:42,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:22:42,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866455331] [2021-11-17 11:22:42,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:22:42,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:22:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:42,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:22:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:42,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:42,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:22:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:42,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:22:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:22:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:22:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:22:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:22:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:22:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:22:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:22:43,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:22:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:22:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:22:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:22:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:22:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:22:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:22:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:22:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:22:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:22:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:22:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:22:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:22:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:22:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:22:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:22:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:22:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:22:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:22:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:22:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:22:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:22:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:22:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:22:43,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:22:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:22:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:22:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 11:22:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 11:22:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 11:22:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 11:22:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:43,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:22:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 11:22:43,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 11:22:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:43,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-11-17 11:22:43,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:22:43,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866455331] [2021-11-17 11:22:43,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866455331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:22:43,713 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:22:43,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:22:43,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878727592] [2021-11-17 11:22:43,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:22:43,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:22:43,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:22:43,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:22:43,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:22:43,715 INFO L87 Difference]: Start difference. First operand 76659 states and 108229 transitions. Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-17 11:22:45,807 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:50,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:22:50,757 INFO L93 Difference]: Finished difference Result 77752 states and 109738 transitions. [2021-11-17 11:22:50,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:22:50,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 493 [2021-11-17 11:22:50,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:22:51,149 INFO L225 Difference]: With dead ends: 77752 [2021-11-17 11:22:51,150 INFO L226 Difference]: Without dead ends: 77750 [2021-11-17 11:22:51,189 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:22:51,190 INFO L933 BasicCegarLoop]: 3675 mSDtfsCounter, 3588 mSDsluCounter, 8778 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 821 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3962 SdHoareTripleChecker+Valid, 12453 SdHoareTripleChecker+Invalid, 2323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-17 11:22:51,190 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3962 Valid, 12453 Invalid, 2323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 1501 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2021-11-17 11:22:51,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77750 states. [2021-11-17 11:22:53,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77750 to 76663. [2021-11-17 11:22:53,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76663 states, 54451 states have (on average 1.305540761418523) internal successors, (71088), 54597 states have internal predecessors, (71088), 18574 states have call successors, (18574), 3636 states have call predecessors, (18574), 3635 states have return successors, (18570), 18463 states have call predecessors, (18570), 18570 states have call successors, (18570) [2021-11-17 11:22:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76663 states to 76663 states and 108232 transitions. [2021-11-17 11:22:54,274 INFO L78 Accepts]: Start accepts. Automaton has 76663 states and 108232 transitions. Word has length 493 [2021-11-17 11:22:54,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:22:54,299 INFO L470 AbstractCegarLoop]: Abstraction has 76663 states and 108232 transitions. [2021-11-17 11:22:54,300 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (47), 4 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2021-11-17 11:22:54,300 INFO L276 IsEmpty]: Start isEmpty. Operand 76663 states and 108232 transitions. [2021-11-17 11:22:54,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2021-11-17 11:22:54,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:22:54,315 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 5, 5, 5, 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] [2021-11-17 11:22:54,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 11:22:54,315 INFO L402 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)] === [2021-11-17 11:22:54,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:22:54,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1294525306, now seen corresponding path program 1 times [2021-11-17 11:22:54,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:22:54,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518744807] [2021-11-17 11:22:54,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:22:54,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:22:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:22:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:22:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:22:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:22:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:22:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:22:54,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:22:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:22:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:22:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:22:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:22:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:22:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:22:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:22:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:22:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:54,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:22:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:22:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:22:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:22:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:22:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:22:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:22:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:22:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:22:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:22:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:22:55,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:22:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:22:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:22:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:22:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:22:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:22:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:22:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:22:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:22:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:22:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:22:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 11:22:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 11:22:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 11:22:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 11:22:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:22:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:22:55,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 11:22:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 11:22:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-11-17 11:22:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 11:22:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-11-17 11:22:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:22:55,401 INFO L134 CoverageAnalysis]: Checked inductivity of 6168 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-11-17 11:22:55,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:22:55,402 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518744807] [2021-11-17 11:22:55,402 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518744807] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:22:55,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:22:55,402 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:22:55,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446186451] [2021-11-17 11:22:55,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:22:55,403 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:22:55,403 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:22:55,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:22:55,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:22:55,403 INFO L87 Difference]: Start difference. First operand 76663 states and 108232 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-17 11:22:57,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:22:59,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:04,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:06,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:08,806 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:10,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:17,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:19,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:22,692 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:24,779 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:31,085 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:35,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:23:35,077 INFO L93 Difference]: Finished difference Result 187035 states and 264165 transitions. [2021-11-17 11:23:35,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 11:23:35,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 504 [2021-11-17 11:23:35,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:23:35,907 INFO L225 Difference]: With dead ends: 187035 [2021-11-17 11:23:35,908 INFO L226 Difference]: Without dead ends: 114079 [2021-11-17 11:23:36,357 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 11:23:36,358 INFO L933 BasicCegarLoop]: 6652 mSDtfsCounter, 4131 mSDsluCounter, 7368 mSDsCounter, 0 mSdLazyCounter, 5401 mSolverCounterSat, 2409 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4714 SdHoareTripleChecker+Valid, 14020 SdHoareTripleChecker+Invalid, 7821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2409 IncrementalHoareTripleChecker+Valid, 5401 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:23:36,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4714 Valid, 14020 Invalid, 7821 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2409 Valid, 5401 Invalid, 11 Unknown, 0 Unchecked, 36.2s Time] [2021-11-17 11:23:36,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114079 states. [2021-11-17 11:23:39,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114079 to 112453. [2021-11-17 11:23:40,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112453 states, 79903 states have (on average 1.3057206863321777) internal successors, (104331), 80081 states have internal predecessors, (104331), 27211 states have call successors, (27211), 5337 states have call predecessors, (27211), 5336 states have return successors, (27207), 27084 states have call predecessors, (27207), 27207 states have call successors, (27207) [2021-11-17 11:23:40,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112453 states to 112453 states and 158749 transitions. [2021-11-17 11:23:40,915 INFO L78 Accepts]: Start accepts. Automaton has 112453 states and 158749 transitions. Word has length 504 [2021-11-17 11:23:40,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:23:40,916 INFO L470 AbstractCegarLoop]: Abstraction has 112453 states and 158749 transitions. [2021-11-17 11:23:40,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2021-11-17 11:23:40,917 INFO L276 IsEmpty]: Start isEmpty. Operand 112453 states and 158749 transitions. [2021-11-17 11:23:40,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-11-17 11:23:40,933 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:23:40,933 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-11-17 11:23:40,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 11:23:40,934 INFO L402 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)] === [2021-11-17 11:23:40,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:23:40,934 INFO L85 PathProgramCache]: Analyzing trace with hash 886442702, now seen corresponding path program 1 times [2021-11-17 11:23:40,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:23:40,934 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665742923] [2021-11-17 11:23:40,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:23:40,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:23:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:23:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:23:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:23:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:23:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:23:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:23:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:23:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:23:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:23:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:23:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:23:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:23:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:23:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:23:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:23:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:23:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:23:41,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:23:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:23:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:23:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:23:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:23:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:23:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:23:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:23:41,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:41,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:23:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:23:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:23:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:23:42,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:42,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:23:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:23:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:23:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:23:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:23:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:23:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:23:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:23:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 11:23:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 11:23:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 11:23:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 11:23:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:23:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 11:23:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 11:23:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-11-17 11:23:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:42,337 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6160 trivial. 0 not checked. [2021-11-17 11:23:42,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:23:42,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665742923] [2021-11-17 11:23:42,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665742923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:23:42,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:23:42,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:23:42,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291527399] [2021-11-17 11:23:42,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:23:42,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:23:42,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:23:42,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:23:42,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:23:42,339 INFO L87 Difference]: Start difference. First operand 112453 states and 158749 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 11:23:44,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:23:51,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:23:51,212 INFO L93 Difference]: Finished difference Result 115716 states and 162657 transitions. [2021-11-17 11:23:51,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-17 11:23:51,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 498 [2021-11-17 11:23:51,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:23:51,973 INFO L225 Difference]: With dead ends: 115716 [2021-11-17 11:23:51,973 INFO L226 Difference]: Without dead ends: 115714 [2021-11-17 11:23:52,039 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:23:52,040 INFO L933 BasicCegarLoop]: 3681 mSDtfsCounter, 3566 mSDsluCounter, 8829 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 825 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3938 SdHoareTripleChecker+Valid, 12510 SdHoareTripleChecker+Invalid, 2359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 825 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:23:52,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3938 Valid, 12510 Invalid, 2359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [825 Valid, 1533 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2021-11-17 11:23:52,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115714 states. [2021-11-17 11:23:55,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115714 to 113883. [2021-11-17 11:23:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113883 states, 80826 states have (on average 1.3039368520030683) internal successors, (105392), 81004 states have internal predecessors, (105392), 27441 states have call successors, (27441), 5614 states have call predecessors, (27441), 5613 states have return successors, (27437), 27314 states have call predecessors, (27437), 27437 states have call successors, (27437) [2021-11-17 11:23:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113883 states to 113883 states and 160270 transitions. [2021-11-17 11:23:56,796 INFO L78 Accepts]: Start accepts. Automaton has 113883 states and 160270 transitions. Word has length 498 [2021-11-17 11:23:56,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:23:56,796 INFO L470 AbstractCegarLoop]: Abstraction has 113883 states and 160270 transitions. [2021-11-17 11:23:56,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2021-11-17 11:23:56,797 INFO L276 IsEmpty]: Start isEmpty. Operand 113883 states and 160270 transitions. [2021-11-17 11:23:56,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2021-11-17 11:23:56,839 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:23:56,839 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 3, 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] [2021-11-17 11:23:56,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 11:23:56,839 INFO L402 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)] === [2021-11-17 11:23:56,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:23:56,840 INFO L85 PathProgramCache]: Analyzing trace with hash -17900449, now seen corresponding path program 1 times [2021-11-17 11:23:56,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:23:56,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464504289] [2021-11-17 11:23:56,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:23:56,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:23:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:23:57,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:23:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:23:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:23:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:23:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:23:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:23:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:23:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:23:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:23:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:23:57,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:23:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:23:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:23:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:23:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:23:57,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:23:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:23:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:23:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:23:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:23:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:23:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:23:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:23:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:23:57,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:23:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:23:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:23:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:23:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:23:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:23:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:23:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:23:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:23:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:23:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:23:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:23:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 11:23:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 11:23:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:58,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 11:23:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 11:23:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:58,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:23:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:58,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:23:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:58,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 11:23:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 11:23:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:58,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-11-17 11:23:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 11:23:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:23:58,076 INFO L134 CoverageAnalysis]: Checked inductivity of 6168 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6164 trivial. 0 not checked. [2021-11-17 11:23:58,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:23:58,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464504289] [2021-11-17 11:23:58,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464504289] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:23:58,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:23:58,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:23:58,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800218982] [2021-11-17 11:23:58,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:23:58,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:23:58,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:23:58,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:23:58,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:23:58,078 INFO L87 Difference]: Start difference. First operand 113883 states and 160270 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-17 11:24:00,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:24:07,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:24:07,331 INFO L93 Difference]: Finished difference Result 115720 states and 162660 transitions. [2021-11-17 11:24:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:24:07,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 503 [2021-11-17 11:24:07,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:24:07,851 INFO L225 Difference]: With dead ends: 115720 [2021-11-17 11:24:07,852 INFO L226 Difference]: Without dead ends: 115718 [2021-11-17 11:24:07,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:24:07,921 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 3580 mSDsluCounter, 8775 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 819 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 2321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:24:07,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 12452 Invalid, 2321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 1501 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2021-11-17 11:24:08,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115718 states. [2021-11-17 11:24:11,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115718 to 113887. [2021-11-17 11:24:12,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113887 states, 80829 states have (on average 1.303925571267738) internal successors, (105395), 81007 states have internal predecessors, (105395), 27441 states have call successors, (27441), 5615 states have call predecessors, (27441), 5614 states have return successors, (27437), 27314 states have call predecessors, (27437), 27437 states have call successors, (27437) [2021-11-17 11:24:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113887 states to 113887 states and 160273 transitions. [2021-11-17 11:24:12,732 INFO L78 Accepts]: Start accepts. Automaton has 113887 states and 160273 transitions. Word has length 503 [2021-11-17 11:24:12,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:24:12,733 INFO L470 AbstractCegarLoop]: Abstraction has 113887 states and 160273 transitions. [2021-11-17 11:24:12,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (49), 4 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-17 11:24:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 113887 states and 160273 transitions. [2021-11-17 11:24:12,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2021-11-17 11:24:12,748 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:24:12,769 INFO L514 BasicCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 4, 3, 3, 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] [2021-11-17 11:24:12,770 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 11:24:12,770 INFO L402 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)] === [2021-11-17 11:24:12,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:24:12,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1614574894, now seen corresponding path program 1 times [2021-11-17 11:24:12,771 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:24:12,771 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794869315] [2021-11-17 11:24:12,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:24:12,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:24:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:24:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:24:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:24:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:24:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:24:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:24:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:24:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:24:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:24:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:24:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:24:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:24:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:24:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:24:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:24:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:24:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:24:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:24:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:24:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:24:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:24:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:24:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:24:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:24:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:24:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:24:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:24:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 11:24:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 11:24:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:13,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 11:24:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 11:24:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 11:24:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 11:24:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 11:24:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 11:24:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 11:24:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 11:24:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 11:24:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 11:24:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 11:24:14,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 11:24:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:24:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 11:24:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 11:24:14,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 11:24:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-11-17 11:24:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-11-17 11:24:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-11-17 11:24:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:24:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 6178 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6172 trivial. 0 not checked. [2021-11-17 11:24:14,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:24:14,276 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794869315] [2021-11-17 11:24:14,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794869315] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:24:14,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:24:14,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:24:14,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819761715] [2021-11-17 11:24:14,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:24:14,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:24:14,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:24:14,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:24:14,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:24:14,280 INFO L87 Difference]: Start difference. First operand 113887 states and 160273 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-11-17 11:24:16,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:24:23,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:24:23,961 INFO L93 Difference]: Finished difference Result 115724 states and 162663 transitions. [2021-11-17 11:24:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:24:23,962 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (50), 4 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 508 [2021-11-17 11:24:23,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:24:24,517 INFO L225 Difference]: With dead ends: 115724 [2021-11-17 11:24:24,522 INFO L226 Difference]: Without dead ends: 115722 [2021-11-17 11:24:24,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:24:24,580 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 3580 mSDsluCounter, 8775 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 818 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3955 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 2320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 818 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-17 11:24:24,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3955 Valid, 12452 Invalid, 2320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [818 Valid, 1501 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2021-11-17 11:24:24,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115722 states.