./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.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-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.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 3999042d9cc74b4d3f513a03b2b33730a93b6921729afd52c1fac5c320bfa594 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 13:32:33,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 13:32:34,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 13:32:34,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 13:32:34,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 13:32:34,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 13:32:34,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 13:32:34,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 13:32:34,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 13:32:34,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 13:32:34,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 13:32:34,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 13:32:34,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 13:32:34,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 13:32:34,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 13:32:34,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 13:32:34,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 13:32:34,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 13:32:34,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 13:32:34,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 13:32:34,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 13:32:34,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 13:32:34,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 13:32:34,052 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 13:32:34,054 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 13:32:34,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 13:32:34,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 13:32:34,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 13:32:34,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 13:32:34,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 13:32:34,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 13:32:34,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 13:32:34,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 13:32:34,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 13:32:34,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 13:32:34,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 13:32:34,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 13:32:34,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 13:32:34,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 13:32:34,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 13:32:34,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 13:32:34,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 13:32:34,088 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 13:32:34,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 13:32:34,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 13:32:34,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 13:32:34,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 13:32:34,095 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 13:32:34,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 13:32:34,096 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 13:32:34,096 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 13:32:34,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 13:32:34,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 13:32:34,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 13:32:34,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 13:32:34,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 13:32:34,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 13:32:34,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 13:32:34,098 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 13:32:34,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 13:32:34,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 13:32:34,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 13:32:34,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 13:32:34,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 13:32:34,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 13:32:34,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 13:32:34,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 13:32:34,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 13:32:34,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 13:32:34,100 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 13:32:34,101 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 13:32:34,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 13:32:34,101 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 13:32:34,101 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3999042d9cc74b4d3f513a03b2b33730a93b6921729afd52c1fac5c320bfa594 [2021-11-17 13:32:34,280 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 13:32:34,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 13:32:34,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 13:32:34,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 13:32:34,313 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 13:32:34,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i [2021-11-17 13:32:34,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/385250cb7/6f654a3f272f42d2927d239bbd138044/FLAGfd9282bf0 [2021-11-17 13:32:34,892 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 13:32:34,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i [2021-11-17 13:32:34,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/385250cb7/6f654a3f272f42d2927d239bbd138044/FLAGfd9282bf0 [2021-11-17 13:32:35,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/385250cb7/6f654a3f272f42d2927d239bbd138044 [2021-11-17 13:32:35,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 13:32:35,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 13:32:35,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 13:32:35,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 13:32:35,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 13:32:35,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:32:35" (1/1) ... [2021-11-17 13:32:35,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735bfbd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:35, skipping insertion in model container [2021-11-17 13:32:35,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:32:35" (1/1) ... [2021-11-17 13:32:35,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 13:32:35,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 13:32:36,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234663,234676] [2021-11-17 13:32:36,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234808,234821] [2021-11-17 13:32:36,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234954,234967] [2021-11-17 13:32:36,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235119,235132] [2021-11-17 13:32:36,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235277,235290] [2021-11-17 13:32:36,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235435,235448] [2021-11-17 13:32:36,563 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235593,235606] [2021-11-17 13:32:36,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235753,235766] [2021-11-17 13:32:36,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235912,235925] [2021-11-17 13:32:36,564 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236051,236064] [2021-11-17 13:32:36,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236193,236206] [2021-11-17 13:32:36,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236342,236355] [2021-11-17 13:32:36,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236481,236494] [2021-11-17 13:32:36,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236636,236649] [2021-11-17 13:32:36,566 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236796,236809] [2021-11-17 13:32:36,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236947,236960] [2021-11-17 13:32:36,567 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237098,237111] [2021-11-17 13:32:36,568 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237250,237263] [2021-11-17 13:32:36,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237399,237412] [2021-11-17 13:32:36,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237547,237560] [2021-11-17 13:32:36,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237704,237717] [2021-11-17 13:32:36,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237853,237866] [2021-11-17 13:32:36,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238009,238022] [2021-11-17 13:32:36,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238162,238175] [2021-11-17 13:32:36,572 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238308,238321] [2021-11-17 13:32:36,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238451,238464] [2021-11-17 13:32:36,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238603,238616] [2021-11-17 13:32:36,573 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238749,238762] [2021-11-17 13:32:36,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238894,238907] [2021-11-17 13:32:36,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239048,239061] [2021-11-17 13:32:36,575 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239199,239212] [2021-11-17 13:32:36,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239354,239367] [2021-11-17 13:32:36,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239506,239519] [2021-11-17 13:32:36,576 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239661,239674] [2021-11-17 13:32:36,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239825,239838] [2021-11-17 13:32:36,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239981,239994] [2021-11-17 13:32:36,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240145,240158] [2021-11-17 13:32:36,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240287,240300] [2021-11-17 13:32:36,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240445,240458] [2021-11-17 13:32:36,578 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240612,240625] [2021-11-17 13:32:36,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240771,240784] [2021-11-17 13:32:36,579 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240930,240943] [2021-11-17 13:32:36,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241079,241092] [2021-11-17 13:32:36,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241226,241239] [2021-11-17 13:32:36,580 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241365,241378] [2021-11-17 13:32:36,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241528,241541] [2021-11-17 13:32:36,581 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241694,241707] [2021-11-17 13:32:36,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241858,241871] [2021-11-17 13:32:36,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242023,242036] [2021-11-17 13:32:36,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242188,242201] [2021-11-17 13:32:36,583 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242354,242367] [2021-11-17 13:32:36,587 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242519,242532] [2021-11-17 13:32:36,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242686,242699] [2021-11-17 13:32:36,588 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242846,242859] [2021-11-17 13:32:36,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243008,243021] [2021-11-17 13:32:36,589 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243167,243180] [2021-11-17 13:32:36,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243313,243326] [2021-11-17 13:32:36,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243456,243469] [2021-11-17 13:32:36,590 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243600,243613] [2021-11-17 13:32:36,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243743,243756] [2021-11-17 13:32:36,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243887,243900] [2021-11-17 13:32:36,591 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244028,244041] [2021-11-17 13:32:36,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244166,244179] [2021-11-17 13:32:36,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244324,244337] [2021-11-17 13:32:36,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244483,244496] [2021-11-17 13:32:36,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244639,244652] [2021-11-17 13:32:36,593 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244788,244801] [2021-11-17 13:32:36,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244940,244953] [2021-11-17 13:32:36,594 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245091,245104] [2021-11-17 13:32:36,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245240,245253] [2021-11-17 13:32:36,595 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245392,245405] [2021-11-17 13:32:36,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245540,245553] [2021-11-17 13:32:36,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245693,245706] [2021-11-17 13:32:36,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245844,245857] [2021-11-17 13:32:36,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245994,246007] [2021-11-17 13:32:36,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246141,246154] [2021-11-17 13:32:36,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246292,246305] [2021-11-17 13:32:36,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246443,246456] [2021-11-17 13:32:36,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246591,246604] [2021-11-17 13:32:36,600 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246757,246770] [2021-11-17 13:32:36,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246926,246939] [2021-11-17 13:32:36,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247093,247106] [2021-11-17 13:32:36,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247261,247274] [2021-11-17 13:32:36,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247411,247424] [2021-11-17 13:32:36,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247558,247571] [2021-11-17 13:32:36,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247719,247732] [2021-11-17 13:32:36,602 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247889,247902] [2021-11-17 13:32:36,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[248051,248064] [2021-11-17 13:32:36,610 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 13:32:36,630 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 13:32:36,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234663,234676] [2021-11-17 13:32:36,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234808,234821] [2021-11-17 13:32:36,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[234954,234967] [2021-11-17 13:32:36,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235119,235132] [2021-11-17 13:32:36,810 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235277,235290] [2021-11-17 13:32:36,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235435,235448] [2021-11-17 13:32:36,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235593,235606] [2021-11-17 13:32:36,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235753,235766] [2021-11-17 13:32:36,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[235912,235925] [2021-11-17 13:32:36,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236051,236064] [2021-11-17 13:32:36,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236193,236206] [2021-11-17 13:32:36,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236342,236355] [2021-11-17 13:32:36,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236481,236494] [2021-11-17 13:32:36,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236636,236649] [2021-11-17 13:32:36,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236796,236809] [2021-11-17 13:32:36,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[236947,236960] [2021-11-17 13:32:36,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237098,237111] [2021-11-17 13:32:36,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237250,237263] [2021-11-17 13:32:36,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237399,237412] [2021-11-17 13:32:36,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237547,237560] [2021-11-17 13:32:36,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237704,237717] [2021-11-17 13:32:36,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[237853,237866] [2021-11-17 13:32:36,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238009,238022] [2021-11-17 13:32:36,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238162,238175] [2021-11-17 13:32:36,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238308,238321] [2021-11-17 13:32:36,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238451,238464] [2021-11-17 13:32:36,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238603,238616] [2021-11-17 13:32:36,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238749,238762] [2021-11-17 13:32:36,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[238894,238907] [2021-11-17 13:32:36,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239048,239061] [2021-11-17 13:32:36,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239199,239212] [2021-11-17 13:32:36,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239354,239367] [2021-11-17 13:32:36,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239506,239519] [2021-11-17 13:32:36,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239661,239674] [2021-11-17 13:32:36,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239825,239838] [2021-11-17 13:32:36,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[239981,239994] [2021-11-17 13:32:36,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240145,240158] [2021-11-17 13:32:36,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240287,240300] [2021-11-17 13:32:36,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240445,240458] [2021-11-17 13:32:36,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240612,240625] [2021-11-17 13:32:36,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240771,240784] [2021-11-17 13:32:36,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[240930,240943] [2021-11-17 13:32:36,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241079,241092] [2021-11-17 13:32:36,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241226,241239] [2021-11-17 13:32:36,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241365,241378] [2021-11-17 13:32:36,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241528,241541] [2021-11-17 13:32:36,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241694,241707] [2021-11-17 13:32:36,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[241858,241871] [2021-11-17 13:32:36,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242023,242036] [2021-11-17 13:32:36,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242188,242201] [2021-11-17 13:32:36,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242354,242367] [2021-11-17 13:32:36,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242519,242532] [2021-11-17 13:32:36,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242686,242699] [2021-11-17 13:32:36,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[242846,242859] [2021-11-17 13:32:36,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243008,243021] [2021-11-17 13:32:36,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243167,243180] [2021-11-17 13:32:36,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243313,243326] [2021-11-17 13:32:36,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243456,243469] [2021-11-17 13:32:36,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243600,243613] [2021-11-17 13:32:36,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243743,243756] [2021-11-17 13:32:36,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[243887,243900] [2021-11-17 13:32:36,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244028,244041] [2021-11-17 13:32:36,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244166,244179] [2021-11-17 13:32:36,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244324,244337] [2021-11-17 13:32:36,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244483,244496] [2021-11-17 13:32:36,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244639,244652] [2021-11-17 13:32:36,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244788,244801] [2021-11-17 13:32:36,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[244940,244953] [2021-11-17 13:32:36,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245091,245104] [2021-11-17 13:32:36,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245240,245253] [2021-11-17 13:32:36,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245392,245405] [2021-11-17 13:32:36,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245540,245553] [2021-11-17 13:32:36,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245693,245706] [2021-11-17 13:32:36,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245844,245857] [2021-11-17 13:32:36,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[245994,246007] [2021-11-17 13:32:36,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246141,246154] [2021-11-17 13:32:36,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246292,246305] [2021-11-17 13:32:36,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246443,246456] [2021-11-17 13:32:36,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246591,246604] [2021-11-17 13:32:36,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246757,246770] [2021-11-17 13:32:36,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[246926,246939] [2021-11-17 13:32:36,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247093,247106] [2021-11-17 13:32:36,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247261,247274] [2021-11-17 13:32:36,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247411,247424] [2021-11-17 13:32:36,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247558,247571] [2021-11-17 13:32:36,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247719,247732] [2021-11-17 13:32:36,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[247889,247902] [2021-11-17 13:32:36,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i[248051,248064] [2021-11-17 13:32:36,834 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 13:32:36,925 INFO L208 MainTranslator]: Completed translation [2021-11-17 13:32:36,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:36 WrapperNode [2021-11-17 13:32:36,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 13:32:36,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 13:32:36,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 13:32:36,927 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 13:32:36,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:36" (1/1) ... [2021-11-17 13:32:36,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:36" (1/1) ... [2021-11-17 13:32:37,060 INFO L137 Inliner]: procedures = 486, calls = 1092, calls flagged for inlining = 196, calls inlined = 121, statements flattened = 1938 [2021-11-17 13:32:37,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 13:32:37,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 13:32:37,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 13:32:37,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 13:32:37,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:36" (1/1) ... [2021-11-17 13:32:37,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:36" (1/1) ... [2021-11-17 13:32:37,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:36" (1/1) ... [2021-11-17 13:32:37,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:36" (1/1) ... [2021-11-17 13:32:37,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:36" (1/1) ... [2021-11-17 13:32:37,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:36" (1/1) ... [2021-11-17 13:32:37,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:36" (1/1) ... [2021-11-17 13:32:37,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 13:32:37,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 13:32:37,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 13:32:37,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 13:32:37,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:36" (1/1) ... [2021-11-17 13:32:37,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 13:32:37,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:32:37,204 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 13:32:37,210 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 13:32:37,261 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-17 13:32:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 13:32:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-17 13:32:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 13:32:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 13:32:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_delay [2021-11-17 13:32:37,262 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_delay [2021-11-17 13:32:37,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 13:32:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 13:32:37,263 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock [2021-11-17 13:32:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock [2021-11-17 13:32:37,263 INFO L130 BoogieDeclarations]: Found specification of procedure torture_mutex_lock [2021-11-17 13:32:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_mutex_lock [2021-11-17 13:32:37,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 13:32:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-17 13:32:37,263 INFO L130 BoogieDeclarations]: Found specification of procedure torture_lock_spin_write_unlock_irq [2021-11-17 13:32:37,263 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_lock_spin_write_unlock_irq [2021-11-17 13:32:37,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 13:32:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 13:32:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure torture_random [2021-11-17 13:32:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_random [2021-11-17 13:32:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-17 13:32:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-17 13:32:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure torture_init_end [2021-11-17 13:32:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_init_end [2021-11-17 13:32:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 13:32:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-17 13:32:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_delay [2021-11-17 13:32:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_delay [2021-11-17 13:32:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure torture_mutex_delay [2021-11-17 13:32:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_mutex_delay [2021-11-17 13:32:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 13:32:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 13:32:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 13:32:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 13:32:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-17 13:32:37,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-17 13:32:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_lock_irq [2021-11-17 13:32:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_lock_irq [2021-11-17 13:32:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 13:32:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2021-11-17 13:32:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_unlock [2021-11-17 13:32:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 13:32:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 13:32:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-17 13:32:37,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-17 13:32:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_read_lock_irq [2021-11-17 13:32:37,267 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_read_lock_irq [2021-11-17 13:32:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_stop_kthread [2021-11-17 13:32:37,267 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_stop_kthread [2021-11-17 13:32:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-17 13:32:37,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-17 13:32:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 13:32:37,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 13:32:37,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 13:32:37,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-17 13:32:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 13:32:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 13:32:37,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-17 13:32:37,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-17 13:32:37,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-17 13:32:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 13:32:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-17 13:32:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_torture_spinlock [2021-11-17 13:32:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_torture_spinlock [2021-11-17 13:32:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 13:32:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 13:32:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_down_write [2021-11-17 13:32:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_down_write [2021-11-17 13:32:37,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 13:32:37,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-17 13:32:37,270 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-11-17 13:32:37,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-11-17 13:32:37,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 13:32:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-17 13:32:37,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_write_lock [2021-11-17 13:32:37,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_write_lock [2021-11-17 13:32:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 13:32:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_up_read [2021-11-17 13:32:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_up_read [2021-11-17 13:32:37,273 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~~TO~VOID [2021-11-17 13:32:37,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~~TO~VOID [2021-11-17 13:32:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure torture_mutex_unlock [2021-11-17 13:32:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_mutex_unlock [2021-11-17 13:32:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 13:32:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_up_write [2021-11-17 13:32:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_up_write [2021-11-17 13:32:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 13:32:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 13:32:37,277 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_read_unlock_irq [2021-11-17 13:32:37,277 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_read_unlock_irq [2021-11-17 13:32:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 13:32:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 13:32:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 13:32:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_stats_print [2021-11-17 13:32:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_stats_print [2021-11-17 13:32:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 13:32:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-17 13:32:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_down_read [2021-11-17 13:32:37,278 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_down_read [2021-11-17 13:32:37,278 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_write_delay [2021-11-17 13:32:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_write_delay [2021-11-17 13:32:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure torture_spin_lock_write_unlock [2021-11-17 13:32:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_spin_lock_write_unlock [2021-11-17 13:32:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 13:32:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 13:32:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 13:32:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 13:32:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 13:32:37,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 13:32:37,279 INFO L130 BoogieDeclarations]: Found specification of procedure _torture_create_kthread [2021-11-17 13:32:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure _torture_create_kthread [2021-11-17 13:32:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_torture_mutex [2021-11-17 13:32:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_torture_mutex [2021-11-17 13:32:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_unlock_irq [2021-11-17 13:32:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_unlock_irq [2021-11-17 13:32:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-17 13:32:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-17 13:32:37,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 13:32:37,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-17 13:32:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 13:32:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 13:32:37,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-17 13:32:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 13:32:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 13:32:37,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_read_lock [2021-11-17 13:32:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_read_lock [2021-11-17 13:32:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 13:32:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 13:32:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 13:32:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-17 13:32:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_print_module_parms [2021-11-17 13:32:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_print_module_parms [2021-11-17 13:32:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_lock_irq [2021-11-17 13:32:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_lock_irq [2021-11-17 13:32:37,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 13:32:37,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 13:32:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 13:32:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 13:32:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwsem_read_delay [2021-11-17 13:32:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwsem_read_delay [2021-11-17 13:32:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 13:32:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-17 13:32:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_weight [2021-11-17 13:32:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_weight [2021-11-17 13:32:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-17 13:32:37,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-17 13:32:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_read_delay [2021-11-17 13:32:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_read_delay [2021-11-17 13:32:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 13:32:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-17 13:32:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 13:32:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-17 13:32:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 13:32:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 13:32:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-17 13:32:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-17 13:32:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 13:32:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 13:32:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-17 13:32:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure lock_torture_cleanup [2021-11-17 13:32:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_torture_cleanup [2021-11-17 13:32:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 13:32:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-17 13:32:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure __torture_print_stats [2021-11-17 13:32:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __torture_print_stats [2021-11-17 13:32:37,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_torture_spinlock [2021-11-17 13:32:37,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_torture_spinlock [2021-11-17 13:32:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 13:32:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-17 13:32:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_unlock [2021-11-17 13:32:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_unlock [2021-11-17 13:32:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure torture_rwlock_write_lock [2021-11-17 13:32:37,286 INFO L138 BoogieDeclarations]: Found implementation of procedure torture_rwlock_write_lock [2021-11-17 13:32:37,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 13:32:37,623 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 13:32:37,627 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 13:32:37,761 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 13:32:39,130 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 13:32:39,142 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 13:32:39,142 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 13:32:39,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:32:39 BoogieIcfgContainer [2021-11-17 13:32:39,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 13:32:39,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 13:32:39,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 13:32:39,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 13:32:39,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:32:35" (1/3) ... [2021-11-17 13:32:39,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c93ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:32:39, skipping insertion in model container [2021-11-17 13:32:39,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:32:36" (2/3) ... [2021-11-17 13:32:39,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c93ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:32:39, skipping insertion in model container [2021-11-17 13:32:39,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:32:39" (3/3) ... [2021-11-17 13:32:39,155 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---kernel--locking--locktorture.ko.cil.i [2021-11-17 13:32:39,159 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 13:32:39,160 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2021-11-17 13:32:39,207 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 13:32:39,227 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 13:32:39,228 INFO L340 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2021-11-17 13:32:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand has 959 states, 646 states have (on average 1.3095975232198143) internal successors, (846), 706 states have internal predecessors, (846), 201 states have call successors, (201), 81 states have call predecessors, (201), 80 states have return successors, (193), 185 states have call predecessors, (193), 193 states have call successors, (193) [2021-11-17 13:32:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-17 13:32:39,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:32:39,282 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 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 13:32:39,282 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:32:39,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:32:39,287 INFO L85 PathProgramCache]: Analyzing trace with hash -192389351, now seen corresponding path program 1 times [2021-11-17 13:32:39,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:32:39,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435241812] [2021-11-17 13:32:39,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:32:39,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:32:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:32:39,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:32:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:32:39,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:32:39,731 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:32:39,731 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435241812] [2021-11-17 13:32:39,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435241812] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:32:39,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:32:39,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 13:32:39,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14706921] [2021-11-17 13:32:39,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:32:39,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 13:32:39,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:32:39,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 13:32:39,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 13:32:39,755 INFO L87 Difference]: Start difference. First operand has 959 states, 646 states have (on average 1.3095975232198143) internal successors, (846), 706 states have internal predecessors, (846), 201 states have call successors, (201), 81 states have call predecessors, (201), 80 states have return successors, (193), 185 states have call predecessors, (193), 193 states have call successors, (193) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-17 13:32:39,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:32:39,998 INFO L93 Difference]: Finished difference Result 2259 states and 3174 transitions. [2021-11-17 13:32:39,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 13:32:40,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-11-17 13:32:40,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:32:40,027 INFO L225 Difference]: With dead ends: 2259 [2021-11-17 13:32:40,028 INFO L226 Difference]: Without dead ends: 1290 [2021-11-17 13:32:40,043 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 13:32:40,050 INFO L933 BasicCegarLoop]: 1628 mSDtfsCounter, 314 mSDsluCounter, 1287 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 425 SdHoareTripleChecker+Valid, 2915 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:32:40,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [425 Valid, 2915 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-17 13:32:40,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2021-11-17 13:32:40,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 945. [2021-11-17 13:32:40,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 642 states have (on average 1.2523364485981308) internal successors, (804), 695 states have internal predecessors, (804), 193 states have call successors, (193), 80 states have call predecessors, (193), 79 states have return successors, (191), 183 states have call predecessors, (191), 191 states have call successors, (191) [2021-11-17 13:32:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1188 transitions. [2021-11-17 13:32:40,185 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1188 transitions. Word has length 26 [2021-11-17 13:32:40,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:32:40,186 INFO L470 AbstractCegarLoop]: Abstraction has 945 states and 1188 transitions. [2021-11-17 13:32:40,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-17 13:32:40,186 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1188 transitions. [2021-11-17 13:32:40,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-17 13:32:40,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:32:40,188 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 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 13:32:40,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 13:32:40,189 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:32:40,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:32:40,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1876789480, now seen corresponding path program 1 times [2021-11-17 13:32:40,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:32:40,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555021556] [2021-11-17 13:32:40,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:32:40,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:32:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:32:40,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:32:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:32:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:32:40,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:32:40,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555021556] [2021-11-17 13:32:40,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555021556] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:32:40,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:32:40,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 13:32:40,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823346853] [2021-11-17 13:32:40,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:32:40,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 13:32:40,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:32:40,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 13:32:40,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:32:40,872 INFO L87 Difference]: Start difference. First operand 945 states and 1188 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-17 13:32:42,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:32:42,462 INFO L93 Difference]: Finished difference Result 1879 states and 2359 transitions. [2021-11-17 13:32:42,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 13:32:42,463 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-11-17 13:32:42,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:32:42,468 INFO L225 Difference]: With dead ends: 1879 [2021-11-17 13:32:42,468 INFO L226 Difference]: Without dead ends: 982 [2021-11-17 13:32:42,470 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-11-17 13:32:42,471 INFO L933 BasicCegarLoop]: 1152 mSDtfsCounter, 51 mSDsluCounter, 7712 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 8864 SdHoareTripleChecker+Invalid, 618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:32:42,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [61 Valid, 8864 Invalid, 618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-17 13:32:42,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2021-11-17 13:32:42,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 964. [2021-11-17 13:32:42,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 658 states have (on average 1.2613981762917934) internal successors, (830), 712 states have internal predecessors, (830), 194 states have call successors, (194), 82 states have call predecessors, (194), 81 states have return successors, (193), 184 states have call predecessors, (193), 192 states have call successors, (193) [2021-11-17 13:32:42,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1217 transitions. [2021-11-17 13:32:42,502 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1217 transitions. Word has length 28 [2021-11-17 13:32:42,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:32:42,502 INFO L470 AbstractCegarLoop]: Abstraction has 964 states and 1217 transitions. [2021-11-17 13:32:42,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-17 13:32:42,503 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1217 transitions. [2021-11-17 13:32:42,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-17 13:32:42,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:32:42,504 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 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 13:32:42,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 13:32:42,504 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_kernel_locking_rwlock_write_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:32:42,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:32:42,505 INFO L85 PathProgramCache]: Analyzing trace with hash 91815413, now seen corresponding path program 1 times [2021-11-17 13:32:42,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:32:42,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682734095] [2021-11-17 13:32:42,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:32:42,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:32:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:32:43,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:32:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:32:43,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:32:43,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:32:43,039 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682734095] [2021-11-17 13:32:43,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682734095] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:32:43,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:32:43,039 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 13:32:43,039 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151950491] [2021-11-17 13:32:43,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:32:43,041 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 13:32:43,041 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:32:43,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 13:32:43,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:32:43,042 INFO L87 Difference]: Start difference. First operand 964 states and 1217 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-17 13:32:44,434 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:32:46,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:32:46,733 INFO L93 Difference]: Finished difference Result 2673 states and 3340 transitions. [2021-11-17 13:32:46,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-17 13:32:46,734 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-11-17 13:32:46,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:32:46,743 INFO L225 Difference]: With dead ends: 2673 [2021-11-17 13:32:46,744 INFO L226 Difference]: Without dead ends: 1760 [2021-11-17 13:32:46,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2021-11-17 13:32:46,751 INFO L933 BasicCegarLoop]: 1666 mSDtfsCounter, 980 mSDsluCounter, 9605 mSDsCounter, 0 mSdLazyCounter, 1947 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 11271 SdHoareTripleChecker+Invalid, 1981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-17 13:32:46,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [981 Valid, 11271 Invalid, 1981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1947 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-11-17 13:32:46,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2021-11-17 13:32:46,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1507. [2021-11-17 13:32:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1507 states, 1035 states have (on average 1.2444444444444445) internal successors, (1288), 1106 states have internal predecessors, (1288), 309 states have call successors, (309), 135 states have call predecessors, (309), 132 states have return successors, (312), 292 states have call predecessors, (312), 307 states have call successors, (312) [2021-11-17 13:32:46,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 1909 transitions. [2021-11-17 13:32:46,813 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 1909 transitions. Word has length 28 [2021-11-17 13:32:46,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:32:46,814 INFO L470 AbstractCegarLoop]: Abstraction has 1507 states and 1909 transitions. [2021-11-17 13:32:46,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-17 13:32:46,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1909 transitions. [2021-11-17 13:32:46,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-17 13:32:46,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:32:46,815 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 13:32:46,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 13:32:46,816 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:32:46,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:32:46,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1675116871, now seen corresponding path program 1 times [2021-11-17 13:32:46,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:32:46,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163365068] [2021-11-17 13:32:46,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:32:46,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:32:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:32:47,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:32:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:32:47,336 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:32:47,336 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:32:47,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163365068] [2021-11-17 13:32:47,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163365068] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:32:47,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807068451] [2021-11-17 13:32:47,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:32:47,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:32:47,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:32:47,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:32:47,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 13:32:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:32:47,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 1270 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-17 13:32:47,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:32:47,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 24 [2021-11-17 13:32:47,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 118 [2021-11-17 13:32:47,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:47,934 INFO L354 Elim1Store]: treesize reduction 35, result has 27.1 percent of original size [2021-11-17 13:32:47,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 102 [2021-11-17 13:32:48,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:32:48,107 INFO L354 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2021-11-17 13:32:48,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 96 treesize of output 104 [2021-11-17 13:32:48,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:32:48,123 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-17 13:32:48,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 92 treesize of output 85 [2021-11-17 13:32:48,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,321 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-17 13:32:48,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 97 [2021-11-17 13:32:48,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:48,329 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-17 13:32:48,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 71 [2021-11-17 13:32:48,459 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-17 13:32:48,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 64 [2021-11-17 13:32:48,474 INFO L354 Elim1Store]: treesize reduction 94, result has 3.1 percent of original size [2021-11-17 13:32:48,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 57 treesize of output 29 [2021-11-17 13:32:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:32:48,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:32:48,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 551 treesize of output 549 [2021-11-17 13:32:50,826 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|~#mutex_lock_ops~0.offset| Int) (|v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_13| Int) (|~#rw_lock_irq_ops~0.offset| Int) (|~#rw_lock_ops~0.offset| Int) (|~#spin_lock_irq_ops~0.offset| Int) (|~#rwsem_lock_ops~0.offset| Int)) (or (and (= |c_~#cxt~0.base| |v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_13|) (= (+ 5 |c_~#cxt~0.offset|) 0)) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse4 (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_13|) 0 |c_~#lock_busted_ops~0.offset|) 8 |c_~#spin_lock_ops~0.offset|) 16 |~#spin_lock_irq_ops~0.offset|) 24 |~#rw_lock_ops~0.offset|) 32 |~#rw_lock_irq_ops~0.offset|) 40 |~#mutex_lock_ops~0.offset|) 48 |~#rwsem_lock_ops~0.offset|))) (let ((.cse0 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_13| .cse4))) (let ((.cse1 (select .cse0 |c_~#cxt~0.base|)) (.cse2 (+ |c_~#cxt~0.offset| 13))) (let ((.cse3 (select (select (store .cse0 |c_~#cxt~0.base| (store .cse1 .cse2 (select .cse4 0))) |v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_13|) 8))) (select (select (store .cse0 |c_~#cxt~0.base| (store .cse1 .cse2 .cse3)) |c_~#spin_lock_ops~0.base|) .cse3))))))))) (or (forall ((|~#mutex_lock_ops~0.offset| Int) (|~#rw_lock_irq_ops~0.offset| Int) (|~#rw_lock_ops~0.offset| Int) (|~#spin_lock_irq_ops~0.offset| Int) (|~#rwsem_lock_ops~0.offset| Int)) (not (= (let ((.cse6 (+ |c_~#cxt~0.offset| 13)) (.cse5 (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| |c_~#cxt~0.base|) 0 |c_~#lock_busted_ops~0.offset|) 8 |c_~#spin_lock_ops~0.offset|) 16 |~#spin_lock_irq_ops~0.offset|) 24 |~#rw_lock_ops~0.offset|) 32 |~#rw_lock_irq_ops~0.offset|) 40 |~#mutex_lock_ops~0.offset|) 48 |~#rwsem_lock_ops~0.offset|))) (let ((.cse7 (select (store .cse5 .cse6 (select .cse5 0)) 8))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse5 .cse6 .cse7)) |c_~#lock_busted_ops~0.base|) .cse7))) |#funAddr~torture_mutex_unlock.offset|))) (not (= (+ 5 |c_~#cxt~0.offset|) 0)))) is different from false [2021-11-17 13:32:50,936 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807068451] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:32:50,936 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 13:32:50,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2021-11-17 13:32:50,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80380685] [2021-11-17 13:32:50,936 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 13:32:50,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-17 13:32:50,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:32:50,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-17 13:32:50,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=491, Unknown=1, NotChecked=44, Total=600 [2021-11-17 13:32:50,937 INFO L87 Difference]: Start difference. First operand 1507 states and 1909 transitions. Second operand has 17 states, 15 states have (on average 3.2) internal successors, (48), 17 states have internal predecessors, (48), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:32:57,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:32:57,754 INFO L93 Difference]: Finished difference Result 3464 states and 4400 transitions. [2021-11-17 13:32:57,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 13:32:57,754 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.2) internal successors, (48), 17 states have internal predecessors, (48), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2021-11-17 13:32:57,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:32:57,762 INFO L225 Difference]: With dead ends: 3464 [2021-11-17 13:32:57,763 INFO L226 Difference]: Without dead ends: 1996 [2021-11-17 13:32:57,767 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=135, Invalid=924, Unknown=1, NotChecked=62, Total=1122 [2021-11-17 13:32:57,768 INFO L933 BasicCegarLoop]: 1649 mSDtfsCounter, 1522 mSDsluCounter, 18665 mSDsCounter, 0 mSdLazyCounter, 5079 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1522 SdHoareTripleChecker+Valid, 20314 SdHoareTripleChecker+Invalid, 5825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 5079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 611 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-17 13:32:57,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1522 Valid, 20314 Invalid, 5825 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [135 Valid, 5079 Invalid, 0 Unknown, 611 Unchecked, 5.9s Time] [2021-11-17 13:32:57,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2021-11-17 13:32:57,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1637. [2021-11-17 13:32:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1637 states, 1138 states have (on average 1.2530755711775043) internal successors, (1426), 1209 states have internal predecessors, (1426), 330 states have call successors, (330), 141 states have call predecessors, (330), 138 states have return successors, (328), 313 states have call predecessors, (328), 328 states have call successors, (328) [2021-11-17 13:32:57,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1637 states and 2084 transitions. [2021-11-17 13:32:57,818 INFO L78 Accepts]: Start accepts. Automaton has 1637 states and 2084 transitions. Word has length 31 [2021-11-17 13:32:57,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:32:57,818 INFO L470 AbstractCegarLoop]: Abstraction has 1637 states and 2084 transitions. [2021-11-17 13:32:57,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.2) internal successors, (48), 17 states have internal predecessors, (48), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:32:57,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 2084 transitions. [2021-11-17 13:32:57,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-17 13:32:57,820 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:32:57,820 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-17 13:32:57,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 13:32:58,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:32:58,030 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:32:58,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:32:58,030 INFO L85 PathProgramCache]: Analyzing trace with hash 356279481, now seen corresponding path program 1 times [2021-11-17 13:32:58,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:32:58,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680113048] [2021-11-17 13:32:58,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:32:58,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:32:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:32:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:32:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:32:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:32:58,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:32:58,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680113048] [2021-11-17 13:32:58,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680113048] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:32:58,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181823093] [2021-11-17 13:32:58,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:32:58,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:32:58,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:32:58,163 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:32:58,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 13:32:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:32:58,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-17 13:32:58,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:32:58,469 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-17 13:32:58,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 39 [2021-11-17 13:32:58,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 122 [2021-11-17 13:32:58,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,673 INFO L354 Elim1Store]: treesize reduction 35, result has 27.1 percent of original size [2021-11-17 13:32:58,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 110 [2021-11-17 13:32:58,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,836 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:32:58,840 INFO L354 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2021-11-17 13:32:58,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 104 treesize of output 112 [2021-11-17 13:32:58,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:58,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:32:58,850 INFO L354 Elim1Store]: treesize reduction 2, result has 33.3 percent of original size [2021-11-17 13:32:58,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 89 [2021-11-17 13:32:59,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:59,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:59,023 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-17 13:32:59,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 114 treesize of output 105 [2021-11-17 13:32:59,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:59,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:32:59,031 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-17 13:32:59,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 73 [2021-11-17 13:32:59,176 INFO L354 Elim1Store]: treesize reduction 28, result has 3.4 percent of original size [2021-11-17 13:32:59,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 108 treesize of output 66 [2021-11-17 13:32:59,193 INFO L354 Elim1Store]: treesize reduction 94, result has 3.1 percent of original size [2021-11-17 13:32:59,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 55 treesize of output 29 [2021-11-17 13:32:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:32:59,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:32:59,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 551 treesize of output 549 [2021-11-17 13:33:20,260 WARN L227 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-17 13:33:20,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181823093] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:33:20,374 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 13:33:20,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9] total 13 [2021-11-17 13:33:20,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239031790] [2021-11-17 13:33:20,374 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 13:33:20,375 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-17 13:33:20,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:33:20,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-17 13:33:20,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=352, Unknown=4, NotChecked=0, Total=420 [2021-11-17 13:33:20,375 INFO L87 Difference]: Start difference. First operand 1637 states and 2084 transitions. Second operand has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 13 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:33:28,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:33:28,105 INFO L93 Difference]: Finished difference Result 4581 states and 6244 transitions. [2021-11-17 13:33:28,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-17 13:33:28,106 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 13 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2021-11-17 13:33:28,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:33:28,121 INFO L225 Difference]: With dead ends: 4581 [2021-11-17 13:33:28,121 INFO L226 Difference]: Without dead ends: 3651 [2021-11-17 13:33:28,124 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 21.3s TimeCoverageRelationStatistics Valid=152, Invalid=714, Unknown=4, NotChecked=0, Total=870 [2021-11-17 13:33:28,125 INFO L933 BasicCegarLoop]: 2922 mSDtfsCounter, 3119 mSDsluCounter, 17011 mSDsCounter, 0 mSdLazyCounter, 4837 mSolverCounterSat, 821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3438 SdHoareTripleChecker+Valid, 19933 SdHoareTripleChecker+Invalid, 6710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 821 IncrementalHoareTripleChecker+Valid, 4837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1052 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:33:28,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3438 Valid, 19933 Invalid, 6710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [821 Valid, 4837 Invalid, 0 Unknown, 1052 Unchecked, 7.1s Time] [2021-11-17 13:33:28,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3651 states. [2021-11-17 13:33:28,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3651 to 1645. [2021-11-17 13:33:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1645 states, 1144 states have (on average 1.2526223776223777) internal successors, (1433), 1216 states have internal predecessors, (1433), 331 states have call successors, (331), 142 states have call predecessors, (331), 139 states have return successors, (329), 313 states have call predecessors, (329), 329 states have call successors, (329) [2021-11-17 13:33:28,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 1645 states and 2093 transitions. [2021-11-17 13:33:28,200 INFO L78 Accepts]: Start accepts. Automaton has 1645 states and 2093 transitions. Word has length 32 [2021-11-17 13:33:28,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:33:28,200 INFO L470 AbstractCegarLoop]: Abstraction has 1645 states and 2093 transitions. [2021-11-17 13:33:28,200 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 13 states have internal predecessors, (50), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:33:28,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2093 transitions. [2021-11-17 13:33:28,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-17 13:33:28,201 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:33:28,201 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-17 13:33:28,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 13:33:28,415 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:33:28,416 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:33:28,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:33:28,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1407947960, now seen corresponding path program 2 times [2021-11-17 13:33:28,416 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:33:28,416 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796333369] [2021-11-17 13:33:28,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:33:28,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:33:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:33:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:33:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:33:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:33:29,106 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:33:29,106 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796333369] [2021-11-17 13:33:29,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796333369] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:33:29,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633699474] [2021-11-17 13:33:29,107 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 13:33:29,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:33:29,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:33:29,108 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:33:29,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 13:33:30,601 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-17 13:33:30,601 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 13:33:30,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-17 13:33:30,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:33:31,128 INFO L354 Elim1Store]: treesize reduction 1932, result has 3.1 percent of original size [2021-11-17 13:33:31,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 22 case distinctions, treesize of input 199 treesize of output 214 [2021-11-17 13:33:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,546 INFO L354 Elim1Store]: treesize reduction 376, result has 1.8 percent of original size [2021-11-17 13:33:34,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 301 treesize of output 324 [2021-11-17 13:33:34,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:34,646 INFO L354 Elim1Store]: treesize reduction 628, result has 2.0 percent of original size [2021-11-17 13:33:34,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 556 treesize of output 579 [2021-11-17 13:33:34,870 INFO L354 Elim1Store]: treesize reduction 1016, result has 8.1 percent of original size [2021-11-17 13:33:34,870 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 542 treesize of output 564 [2021-11-17 13:33:35,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,568 INFO L354 Elim1Store]: treesize reduction 109, result has 10.7 percent of original size [2021-11-17 13:33:35,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 383 treesize of output 382 [2021-11-17 13:33:35,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:33:35,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:35,610 INFO L354 Elim1Store]: treesize reduction 189, result has 6.4 percent of original size [2021-11-17 13:33:35,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 379 treesize of output 230 [2021-11-17 13:33:36,199 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:33:36,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,229 INFO L354 Elim1Store]: treesize reduction 132, result has 9.0 percent of original size [2021-11-17 13:33:36,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 439 treesize of output 426 [2021-11-17 13:33:36,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,244 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:33:36,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,269 INFO L354 Elim1Store]: treesize reduction 212, result has 5.8 percent of original size [2021-11-17 13:33:36,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 411 treesize of output 230 [2021-11-17 13:33:36,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,927 INFO L354 Elim1Store]: treesize reduction 91, result has 10.8 percent of original size [2021-11-17 13:33:36,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 337 treesize of output 327 [2021-11-17 13:33:36,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:36,967 INFO L354 Elim1Store]: treesize reduction 171, result has 6.0 percent of original size [2021-11-17 13:33:36,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 10 new quantified variables, introduced 37 case distinctions, treesize of input 324 treesize of output 209 [2021-11-17 13:33:37,370 INFO L354 Elim1Store]: treesize reduction 274, result has 1.1 percent of original size [2021-11-17 13:33:37,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 325 treesize of output 158 [2021-11-17 13:33:37,386 INFO L354 Elim1Store]: treesize reduction 78, result has 3.7 percent of original size [2021-11-17 13:33:37,388 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 36 [2021-11-17 13:33:37,482 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:33:37,482 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:33:38,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633699474] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:33:38,238 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 13:33:38,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2021-11-17 13:33:38,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605531140] [2021-11-17 13:33:38,238 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 13:33:38,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-11-17 13:33:38,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:33:38,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-11-17 13:33:38,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=770, Unknown=0, NotChecked=0, Total=870 [2021-11-17 13:33:38,240 INFO L87 Difference]: Start difference. First operand 1645 states and 2093 transitions. Second operand has 21 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 21 states have internal predecessors, (54), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:33:40,254 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 13:33:45,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:33:45,829 INFO L93 Difference]: Finished difference Result 2888 states and 3762 transitions. [2021-11-17 13:33:45,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-17 13:33:45,833 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 21 states have internal predecessors, (54), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 34 [2021-11-17 13:33:45,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:33:45,840 INFO L225 Difference]: With dead ends: 2888 [2021-11-17 13:33:45,840 INFO L226 Difference]: Without dead ends: 1972 [2021-11-17 13:33:45,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 44 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=197, Invalid=1443, Unknown=0, NotChecked=0, Total=1640 [2021-11-17 13:33:45,848 INFO L933 BasicCegarLoop]: 1376 mSDtfsCounter, 528 mSDsluCounter, 17362 mSDsCounter, 0 mSdLazyCounter, 2684 mSolverCounterSat, 201 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 18738 SdHoareTripleChecker+Invalid, 3412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 2684 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 526 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-17 13:33:45,849 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [529 Valid, 18738 Invalid, 3412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 2684 Invalid, 1 Unknown, 526 Unchecked, 5.5s Time] [2021-11-17 13:33:45,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1972 states. [2021-11-17 13:33:45,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1972 to 1649. [2021-11-17 13:33:45,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1148 states have (on average 1.2534843205574913) internal successors, (1439), 1220 states have internal predecessors, (1439), 331 states have call successors, (331), 142 states have call predecessors, (331), 139 states have return successors, (329), 313 states have call predecessors, (329), 329 states have call successors, (329) [2021-11-17 13:33:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2099 transitions. [2021-11-17 13:33:45,916 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2099 transitions. Word has length 34 [2021-11-17 13:33:45,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:33:45,917 INFO L470 AbstractCegarLoop]: Abstraction has 1649 states and 2099 transitions. [2021-11-17 13:33:45,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 21 states have internal predecessors, (54), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:33:45,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2099 transitions. [2021-11-17 13:33:45,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-17 13:33:45,918 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:33:45,918 INFO L514 BasicCegarLoop]: trace histogram [3, 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] [2021-11-17 13:33:45,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-17 13:33:46,125 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:33:46,125 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:33:46,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:33:46,125 INFO L85 PathProgramCache]: Analyzing trace with hash 663977832, now seen corresponding path program 2 times [2021-11-17 13:33:46,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:33:46,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814369548] [2021-11-17 13:33:46,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:33:46,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:33:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:33:46,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:33:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:33:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:33:46,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:33:46,252 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814369548] [2021-11-17 13:33:46,252 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814369548] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:33:46,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194721744] [2021-11-17 13:33:46,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-17 13:33:46,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:33:46,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:33:46,254 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:33:46,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-17 13:33:46,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-17 13:33:46,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 13:33:46,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-17 13:33:46,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:33:47,497 INFO L354 Elim1Store]: treesize reduction 1964, result has 3.0 percent of original size [2021-11-17 13:33:47,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 27 case distinctions, treesize of input 192 treesize of output 205 [2021-11-17 13:33:49,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 290 [2021-11-17 13:33:49,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:49,886 INFO L354 Elim1Store]: treesize reduction 35, result has 27.1 percent of original size [2021-11-17 13:33:49,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 489 treesize of output 512 [2021-11-17 13:33:50,040 INFO L354 Elim1Store]: treesize reduction 884, result has 8.8 percent of original size [2021-11-17 13:33:50,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 464 treesize of output 484 [2021-11-17 13:33:50,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:33:50,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 348 treesize of output 207 [2021-11-17 13:33:50,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:33:50,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:50,616 INFO L354 Elim1Store]: treesize reduction 61, result has 17.6 percent of original size [2021-11-17 13:33:50,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 364 treesize of output 365 [2021-11-17 13:33:51,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:33:51,121 INFO L354 Elim1Store]: treesize reduction 81, result has 13.8 percent of original size [2021-11-17 13:33:51,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 414 treesize of output 407 [2021-11-17 13:33:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:33:51,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:33:51,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 392 treesize of output 214 [2021-11-17 13:33:51,724 INFO L354 Elim1Store]: treesize reduction 294, result has 14.5 percent of original size [2021-11-17 13:33:51,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 310 treesize of output 205 [2021-11-17 13:33:51,756 INFO L354 Elim1Store]: treesize reduction 206, result has 14.5 percent of original size [2021-11-17 13:33:51,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 307 treesize of output 305 [2021-11-17 13:33:52,131 INFO L354 Elim1Store]: treesize reduction 98, result has 1.0 percent of original size [2021-11-17 13:33:52,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 305 treesize of output 139 [2021-11-17 13:33:52,147 INFO L354 Elim1Store]: treesize reduction 94, result has 3.1 percent of original size [2021-11-17 13:33:52,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 56 treesize of output 34 [2021-11-17 13:33:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:33:52,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:33:54,475 WARN L838 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int)) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse7 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8))) (let ((.cse0 (select |c_#memory_$Pointer$.offset| |c_~#cxt~0.base|)) (.cse1 (+ |~#cxt~0.offset| 13)) (.cse4 (+ .cse7 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|)) (.cse5 (+ .cse7 8 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|)) (.cse6 (+ 16 .cse7 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse0 .cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse0 .cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse4))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse5))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse6))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse0 .cse1 .cse2)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (let ((.cse3 (select |c_#memory_$Pointer$.base| |c_~#cxt~0.base|))) (store .cse3 .cse1 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store .cse3 .cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse4))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse5)))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse6)) .cse2))))))) is different from false [2021-11-17 13:33:56,492 WARN L838 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int)) (not (= |#funAddr~torture_mutex_unlock.offset| (let ((.cse0 (select |c_#memory_$Pointer$.offset| |c_~#cxt~0.base|)) (.cse1 (+ |~#cxt~0.offset| 13)) (.cse4 (+ 8 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|)) (.cse5 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse0 .cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse0 .cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse4))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse5))) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse0 .cse1 .cse2)) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (let ((.cse3 (select |c_#memory_$Pointer$.base| |c_~#cxt~0.base|))) (store .cse3 .cse1 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store .cse3 .cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse4)))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse5)) .cse2)))))) is different from false [2021-11-17 13:33:56,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1228 treesize of output 1226 [2021-11-17 13:33:57,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194721744] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:33:57,393 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 13:33:57,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11] total 16 [2021-11-17 13:33:57,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558527712] [2021-11-17 13:33:57,393 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 13:33:57,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-17 13:33:57,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:33:57,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-17 13:33:57,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=479, Unknown=2, NotChecked=90, Total=650 [2021-11-17 13:33:57,395 INFO L87 Difference]: Start difference. First operand 1649 states and 2099 transitions. Second operand has 16 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 16 states have internal predecessors, (56), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:33:58,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:34:03,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:34:03,878 INFO L93 Difference]: Finished difference Result 5132 states and 7155 transitions. [2021-11-17 13:34:03,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-17 13:34:03,879 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 16 states have internal predecessors, (56), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 35 [2021-11-17 13:34:03,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:34:03,894 INFO L225 Difference]: With dead ends: 5132 [2021-11-17 13:34:03,894 INFO L226 Difference]: Without dead ends: 4202 [2021-11-17 13:34:03,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=122, Invalid=696, Unknown=2, NotChecked=110, Total=930 [2021-11-17 13:34:03,898 INFO L933 BasicCegarLoop]: 2914 mSDtfsCounter, 2006 mSDsluCounter, 21386 mSDsCounter, 0 mSdLazyCounter, 3202 mSolverCounterSat, 407 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2472 SdHoareTripleChecker+Valid, 24300 SdHoareTripleChecker+Invalid, 4247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 407 IncrementalHoareTripleChecker+Valid, 3202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 638 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-17 13:34:03,898 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2472 Valid, 24300 Invalid, 4247 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [407 Valid, 3202 Invalid, 0 Unknown, 638 Unchecked, 5.7s Time] [2021-11-17 13:34:03,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4202 states. [2021-11-17 13:34:03,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4202 to 1649. [2021-11-17 13:34:03,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1148 states have (on average 1.2526132404181185) internal successors, (1438), 1220 states have internal predecessors, (1438), 331 states have call successors, (331), 142 states have call predecessors, (331), 139 states have return successors, (329), 313 states have call predecessors, (329), 329 states have call successors, (329) [2021-11-17 13:34:03,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2098 transitions. [2021-11-17 13:34:03,985 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2098 transitions. Word has length 35 [2021-11-17 13:34:03,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:34:03,986 INFO L470 AbstractCegarLoop]: Abstraction has 1649 states and 2098 transitions. [2021-11-17 13:34:03,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.7333333333333334) internal successors, (56), 16 states have internal predecessors, (56), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:34:03,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2098 transitions. [2021-11-17 13:34:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-17 13:34:03,987 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:34:03,987 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:34:04,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-17 13:34:04,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:34:04,199 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:34:04,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:34:04,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1168508767, now seen corresponding path program 1 times [2021-11-17 13:34:04,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:34:04,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101106214] [2021-11-17 13:34:04,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:34:04,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:34:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:04,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:34:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:04,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 13:34:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:34:04,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:34:04,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101106214] [2021-11-17 13:34:04,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101106214] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:34:04,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:34:04,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-17 13:34:04,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809246991] [2021-11-17 13:34:04,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:34:04,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-17 13:34:04,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:34:04,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-17 13:34:04,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 13:34:04,258 INFO L87 Difference]: Start difference. First operand 1649 states and 2098 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:34:04,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:34:04,312 INFO L93 Difference]: Finished difference Result 3184 states and 4045 transitions. [2021-11-17 13:34:04,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-17 13:34:04,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2021-11-17 13:34:04,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:34:04,318 INFO L225 Difference]: With dead ends: 3184 [2021-11-17 13:34:04,318 INFO L226 Difference]: Without dead ends: 1649 [2021-11-17 13:34:04,322 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-17 13:34:04,322 INFO L933 BasicCegarLoop]: 1178 mSDtfsCounter, 1167 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1167 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:34:04,322 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1167 Valid, 1178 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:34:04,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1649 states. [2021-11-17 13:34:04,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1649. [2021-11-17 13:34:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1148 states have (on average 1.2482578397212543) internal successors, (1433), 1220 states have internal predecessors, (1433), 331 states have call successors, (331), 142 states have call predecessors, (331), 139 states have return successors, (329), 313 states have call predecessors, (329), 329 states have call successors, (329) [2021-11-17 13:34:04,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2093 transitions. [2021-11-17 13:34:04,385 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2093 transitions. Word has length 36 [2021-11-17 13:34:04,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:34:04,386 INFO L470 AbstractCegarLoop]: Abstraction has 1649 states and 2093 transitions. [2021-11-17 13:34:04,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:34:04,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2093 transitions. [2021-11-17 13:34:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-17 13:34:04,387 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:34:04,387 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-17 13:34:04,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 13:34:04,388 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:34:04,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:34:04,388 INFO L85 PathProgramCache]: Analyzing trace with hash 753319847, now seen corresponding path program 3 times [2021-11-17 13:34:04,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:34:04,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579377338] [2021-11-17 13:34:04,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:34:04,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:34:04,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:06,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:34:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:34:06,089 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:34:06,089 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579377338] [2021-11-17 13:34:06,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579377338] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:34:06,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751682005] [2021-11-17 13:34:06,090 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-17 13:34:06,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:34:06,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:34:06,091 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:34:06,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-17 13:34:10,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-17 13:34:10,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 13:34:10,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-17 13:34:10,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:34:10,684 INFO L354 Elim1Store]: treesize reduction 2052, result has 2.9 percent of original size [2021-11-17 13:34:10,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 40 case distinctions, treesize of input 262 treesize of output 271 [2021-11-17 13:34:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,046 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-17 13:34:15,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 346 treesize of output 369 [2021-11-17 13:34:15,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:15,103 INFO L354 Elim1Store]: treesize reduction 35, result has 27.1 percent of original size [2021-11-17 13:34:15,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 651 treesize of output 674 [2021-11-17 13:34:15,342 INFO L354 Elim1Store]: treesize reduction 1016, result has 8.1 percent of original size [2021-11-17 13:34:15,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 628 treesize of output 650 [2021-11-17 13:34:16,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,123 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:34:16,132 INFO L354 Elim1Store]: treesize reduction 61, result has 17.6 percent of original size [2021-11-17 13:34:16,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 403 treesize of output 411 [2021-11-17 13:34:16,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,152 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:34:16,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,167 INFO L354 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2021-11-17 13:34:16,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 22 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 399 treesize of output 230 [2021-11-17 13:34:16,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:34:16,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:34:17,015 INFO L354 Elim1Store]: treesize reduction 51, result has 12.1 percent of original size [2021-11-17 13:34:17,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 25 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 451 treesize of output 258 [2021-11-17 13:34:17,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,024 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:34:17,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:34:17,042 INFO L354 Elim1Store]: treesize reduction 81, result has 13.8 percent of original size [2021-11-17 13:34:17,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 459 treesize of output 455 [2021-11-17 13:34:17,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,878 INFO L354 Elim1Store]: treesize reduction 67, result has 16.3 percent of original size [2021-11-17 13:34:17,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 490 treesize of output 483 [2021-11-17 13:34:17,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:34:17,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:17,903 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:34:17,921 INFO L354 Elim1Store]: treesize reduction 51, result has 12.1 percent of original size [2021-11-17 13:34:17,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 24 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 10 case distinctions, treesize of input 468 treesize of output 242 [2021-11-17 13:34:18,810 INFO L354 Elim1Store]: treesize reduction 344, result has 14.2 percent of original size [2021-11-17 13:34:18,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 10 new quantified variables, introduced 44 case distinctions, treesize of input 353 treesize of output 230 [2021-11-17 13:34:18,859 INFO L354 Elim1Store]: treesize reduction 184, result has 15.2 percent of original size [2021-11-17 13:34:18,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 336 treesize of output 334 [2021-11-17 13:34:19,252 INFO L354 Elim1Store]: treesize reduction 282, result has 1.1 percent of original size [2021-11-17 13:34:19,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 357 treesize of output 170 [2021-11-17 13:34:19,269 INFO L354 Elim1Store]: treesize reduction 86, result has 3.4 percent of original size [2021-11-17 13:34:19,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 63 treesize of output 37 [2021-11-17 13:34:19,327 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:34:19,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:34:22,078 WARN L838 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int)) (= (mod (let ((.cse8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8))) (let ((.cse0 (select |c_#memory_$Pointer$.offset| |c_~#cxt~0.base|)) (.cse4 (select |c_#memory_$Pointer$.base| |c_~#cxt~0.base|)) (.cse1 (+ |~#cxt~0.offset| 13)) (.cse5 (+ .cse8 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|)) (.cse6 (+ 16 .cse8 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|)) (.cse7 (+ .cse8 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 24))) (let ((.cse3 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store .cse4 .cse1 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store .cse4 .cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse5))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse6))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse7)) (.cse2 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse0 .cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse0 .cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse5))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse6))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse7))) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse0 .cse1 .cse2)) .cse3) .cse2) (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store .cse4 .cse1 .cse3)) .cse3) .cse2))))) 18446744073709551616) 0)) is different from false [2021-11-17 13:34:24,108 WARN L838 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.offset| Int)) (= (mod (let ((.cse4 (select |c_#memory_$Pointer$.offset| |c_~#cxt~0.base|)) (.cse0 (select |c_#memory_$Pointer$.base| |c_~#cxt~0.base|)) (.cse1 (+ |~#cxt~0.offset| 13)) (.cse5 (+ 16 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|)) (.cse6 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 24))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store .cse0 .cse1 (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store .cse0 .cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse5))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse6)) (.cse3 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse4 .cse1 (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse4 .cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse5))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse6))) (+ (select (select (store |c_#memory_$Pointer$.base| |c_~#cxt~0.base| (store .cse0 .cse1 .cse2)) .cse2) .cse3) (select (select (store |c_#memory_$Pointer$.offset| |c_~#cxt~0.base| (store .cse4 .cse1 .cse3)) .cse2) .cse3)))) 18446744073709551616) 0)) is different from false [2021-11-17 13:34:24,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751682005] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:34:24,423 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 13:34:24,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2021-11-17 13:34:24,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727176210] [2021-11-17 13:34:24,424 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 13:34:24,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-17 13:34:24,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:34:24,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-17 13:34:24,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=849, Unknown=2, NotChecked=118, Total=1056 [2021-11-17 13:34:24,425 INFO L87 Difference]: Start difference. First operand 1649 states and 2093 transitions. Second operand has 23 states, 22 states have (on average 2.727272727272727) internal successors, (60), 23 states have internal predecessors, (60), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:34:26,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:34:35,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:34:35,347 INFO L93 Difference]: Finished difference Result 2961 states and 3867 transitions. [2021-11-17 13:34:35,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-17 13:34:35,349 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.727272727272727) internal successors, (60), 23 states have internal predecessors, (60), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2021-11-17 13:34:35,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:34:35,356 INFO L225 Difference]: With dead ends: 2961 [2021-11-17 13:34:35,356 INFO L226 Difference]: Without dead ends: 2033 [2021-11-17 13:34:35,359 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 48 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=200, Invalid=1786, Unknown=2, NotChecked=174, Total=2162 [2021-11-17 13:34:35,361 INFO L933 BasicCegarLoop]: 1404 mSDtfsCounter, 567 mSDsluCounter, 23518 mSDsCounter, 0 mSdLazyCounter, 4490 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 24922 SdHoareTripleChecker+Invalid, 5046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 4490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 337 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-17 13:34:35,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [567 Valid, 24922 Invalid, 5046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 4490 Invalid, 0 Unknown, 337 Unchecked, 7.1s Time] [2021-11-17 13:34:35,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2021-11-17 13:34:35,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1652. [2021-11-17 13:34:35,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1652 states, 1151 states have (on average 1.2484795829713293) internal successors, (1437), 1223 states have internal predecessors, (1437), 331 states have call successors, (331), 142 states have call predecessors, (331), 139 states have return successors, (329), 313 states have call predecessors, (329), 329 states have call successors, (329) [2021-11-17 13:34:35,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1652 states to 1652 states and 2097 transitions. [2021-11-17 13:34:35,439 INFO L78 Accepts]: Start accepts. Automaton has 1652 states and 2097 transitions. Word has length 37 [2021-11-17 13:34:35,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:34:35,441 INFO L470 AbstractCegarLoop]: Abstraction has 1652 states and 2097 transitions. [2021-11-17 13:34:35,441 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.727272727272727) internal successors, (60), 23 states have internal predecessors, (60), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:34:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2097 transitions. [2021-11-17 13:34:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-17 13:34:35,442 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:34:35,442 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 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 13:34:35,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-17 13:34:35,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:34:35,660 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:34:35,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:34:35,660 INFO L85 PathProgramCache]: Analyzing trace with hash 1845342809, now seen corresponding path program 3 times [2021-11-17 13:34:35,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:34:35,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454786717] [2021-11-17 13:34:35,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:34:35,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:34:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:35,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:34:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:34:35,792 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:34:35,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454786717] [2021-11-17 13:34:35,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454786717] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:34:35,792 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336209491] [2021-11-17 13:34:35,792 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-17 13:34:35,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:34:35,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:34:35,794 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:34:35,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-17 13:34:37,877 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-17 13:34:37,877 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 13:34:37,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-17 13:34:37,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:34:37,986 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:34:37,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:34:38,096 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:34:38,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336209491] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-17 13:34:38,097 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-17 13:34:38,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-17 13:34:38,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42360236] [2021-11-17 13:34:38,097 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-17 13:34:38,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-17 13:34:38,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:34:38,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-17 13:34:38,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-11-17 13:34:38,098 INFO L87 Difference]: Start difference. First operand 1652 states and 2097 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-17 13:34:41,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:34:41,608 INFO L93 Difference]: Finished difference Result 6484 states and 9161 transitions. [2021-11-17 13:34:41,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 13:34:41,608 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 38 [2021-11-17 13:34:41,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:34:41,628 INFO L225 Difference]: With dead ends: 6484 [2021-11-17 13:34:41,629 INFO L226 Difference]: Without dead ends: 5554 [2021-11-17 13:34:41,633 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2021-11-17 13:34:41,633 INFO L933 BasicCegarLoop]: 3856 mSDtfsCounter, 4139 mSDsluCounter, 17793 mSDsCounter, 0 mSdLazyCounter, 3947 mSolverCounterSat, 956 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4792 SdHoareTripleChecker+Valid, 21649 SdHoareTripleChecker+Invalid, 4903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 956 IncrementalHoareTripleChecker+Valid, 3947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:34:41,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4792 Valid, 21649 Invalid, 4903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [956 Valid, 3947 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-17 13:34:41,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5554 states. [2021-11-17 13:34:41,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5554 to 1672. [2021-11-17 13:34:41,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1171 states have (on average 1.2450896669513236) internal successors, (1458), 1243 states have internal predecessors, (1458), 331 states have call successors, (331), 142 states have call predecessors, (331), 139 states have return successors, (329), 313 states have call predecessors, (329), 329 states have call successors, (329) [2021-11-17 13:34:41,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2118 transitions. [2021-11-17 13:34:41,757 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2118 transitions. Word has length 38 [2021-11-17 13:34:41,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:34:41,757 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 2118 transitions. [2021-11-17 13:34:41,757 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-17 13:34:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2118 transitions. [2021-11-17 13:34:41,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-17 13:34:41,758 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:34:41,758 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 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 13:34:41,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-17 13:34:41,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:34:41,971 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:34:41,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:34:41,971 INFO L85 PathProgramCache]: Analyzing trace with hash -2121270696, now seen corresponding path program 4 times [2021-11-17 13:34:41,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:34:41,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479931630] [2021-11-17 13:34:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:34:41,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:34:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:43,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:34:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:34:43,497 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:34:43,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479931630] [2021-11-17 13:34:43,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479931630] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:34:43,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579000256] [2021-11-17 13:34:43,497 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-17 13:34:43,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:34:43,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:34:43,516 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:34:43,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-17 13:34:43,818 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-17 13:34:43,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 13:34:43,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1297 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-17 13:34:43,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:34:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:43,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,050 INFO L354 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2021-11-17 13:34:44,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 124 [2021-11-17 13:34:44,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,076 INFO L354 Elim1Store]: treesize reduction 35, result has 27.1 percent of original size [2021-11-17 13:34:44,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 101 [2021-11-17 13:34:44,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,262 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:34:44,264 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-17 13:34:44,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 91 [2021-11-17 13:34:44,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,275 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:34:44,278 INFO L354 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2021-11-17 13:34:44,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 99 [2021-11-17 13:34:44,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,482 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:34:44,485 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-17 13:34:44,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 124 [2021-11-17 13:34:44,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:34:44,497 INFO L354 Elim1Store]: treesize reduction 31, result has 3.1 percent of original size [2021-11-17 13:34:44,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 109 treesize of output 114 [2021-11-17 13:34:44,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,739 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-17 13:34:44,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 124 [2021-11-17 13:34:44,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:44,751 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-17 13:34:44,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 109 treesize of output 114 [2021-11-17 13:34:45,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,020 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-17 13:34:45,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 131 treesize of output 124 [2021-11-17 13:34:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,035 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-17 13:34:45,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 109 treesize of output 114 [2021-11-17 13:34:45,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,262 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-17 13:34:45,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 95 [2021-11-17 13:34:45,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:34:45,268 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-17 13:34:45,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 88 treesize of output 86 [2021-11-17 13:34:45,450 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-11-17 13:34:45,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 97 treesize of output 66 [2021-11-17 13:34:45,462 INFO L354 Elim1Store]: treesize reduction 50, result has 5.7 percent of original size [2021-11-17 13:34:45,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 51 treesize of output 29 [2021-11-17 13:34:45,539 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:34:45,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:34:48,531 WARN L838 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.base| Int)) (let ((.cse8 (* |c_ULTIMATE.start_lock_torture_init_~i~2#1| 8))) (let ((.cse4 (select |c_#memory_$Pointer$.offset| |~#cxt~0.base|)) (.cse0 (select |c_#memory_$Pointer$.base| |~#cxt~0.base|)) (.cse1 (+ |c_~#cxt~0.offset| 13)) (.cse5 (+ .cse8 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|)) (.cse6 (+ .cse8 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 24)) (.cse7 (+ 32 .cse8 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.base| |~#cxt~0.base| (store .cse0 .cse1 (select (select (store |c_#memory_$Pointer$.base| |~#cxt~0.base| (store .cse0 .cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse5))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse6))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse7)) (.cse3 (select (select (store |c_#memory_$Pointer$.offset| |~#cxt~0.base| (store .cse4 .cse1 (select (select (store |c_#memory_$Pointer$.offset| |~#cxt~0.base| (store .cse4 .cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse5))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse6))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse7))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| |~#cxt~0.base| (store .cse0 .cse1 .cse2)) .cse2) .cse3) |#funAddr~torture_mutex_unlock.base|)) (not (= |#funAddr~torture_mutex_unlock.offset| (select (select (store |c_#memory_$Pointer$.offset| |~#cxt~0.base| (store .cse4 .cse1 .cse3)) .cse2) .cse3)))))))) is different from false [2021-11-17 13:34:50,572 WARN L838 $PredicateComparison]: unable to prove that (forall ((|~#cxt~0.base| Int)) (let ((.cse4 (select |c_#memory_$Pointer$.offset| |~#cxt~0.base|)) (.cse0 (select |c_#memory_$Pointer$.base| |~#cxt~0.base|)) (.cse1 (+ |c_~#cxt~0.offset| 13)) (.cse5 (+ |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset| 24)) (.cse6 (+ 32 |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) (let ((.cse2 (select (select (store |c_#memory_$Pointer$.base| |~#cxt~0.base| (store .cse0 .cse1 (select (select (store |c_#memory_$Pointer$.base| |~#cxt~0.base| (store .cse0 .cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse5))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse6)) (.cse3 (select (select (store |c_#memory_$Pointer$.offset| |~#cxt~0.base| (store .cse4 .cse1 (select (select (store |c_#memory_$Pointer$.offset| |~#cxt~0.base| (store .cse4 .cse1 (select (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.offset|))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse5))) |c_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base|) .cse6))) (or (not (= (select (select (store |c_#memory_$Pointer$.base| |~#cxt~0.base| (store .cse0 .cse1 .cse2)) .cse2) .cse3) |#funAddr~torture_mutex_unlock.base|)) (not (= |#funAddr~torture_mutex_unlock.offset| (select (select (store |c_#memory_$Pointer$.offset| |~#cxt~0.base| (store .cse4 .cse1 .cse3)) .cse2) .cse3))))))) is different from false [2021-11-17 13:34:52,637 WARN L838 $PredicateComparison]: unable to prove that (forall ((|~#mutex_lock_ops~0.offset| Int) (|~#spin_lock_irq_ops~0.base| Int) (|~#spin_lock_ops~0.base| Int) (|~#rwsem_lock_ops~0.offset| Int) (|~#rw_lock_ops~0.base| Int) (|~#rwsem_lock_ops~0.base| Int) (|~#mutex_lock_ops~0.base| Int) (|~#lock_busted_ops~0.base| Int) (|~#rw_lock_ops~0.offset| Int) (|~#spin_lock_irq_ops~0.offset| Int) (|~#cxt~0.base| Int) (|~#spin_lock_ops~0.offset| Int) (|v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_18| Int)) (let ((.cse7 (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_18|) 0 |c_~#lock_busted_ops~0.offset|) 8 |~#spin_lock_ops~0.offset|) 16 |~#spin_lock_irq_ops~0.offset|) 24 |~#rw_lock_ops~0.offset|) 32 |c_~#rw_lock_irq_ops~0.offset|) 40 |~#mutex_lock_ops~0.offset|) 48 |~#rwsem_lock_ops~0.offset|)) (.cse8 (store (store (store (store (store (store (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_18|) 0 |~#lock_busted_ops~0.base|) 8 |~#spin_lock_ops~0.base|) 16 |~#spin_lock_irq_ops~0.base|) 24 |~#rw_lock_ops~0.base|) 32 |c_~#rw_lock_irq_ops~0.base|) 40 |~#mutex_lock_ops~0.base|) 48 |~#rwsem_lock_ops~0.base|))) (let ((.cse0 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_18| .cse8)) (.cse5 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_18| .cse7))) (let ((.cse6 (select .cse5 |~#cxt~0.base|)) (.cse1 (select .cse0 |~#cxt~0.base|)) (.cse2 (+ |c_~#cxt~0.offset| 13))) (let ((.cse3 (select (select (store .cse0 |~#cxt~0.base| (store .cse1 .cse2 (select (select (store .cse0 |~#cxt~0.base| (store .cse1 .cse2 (select .cse8 0))) |v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_18|) 24))) |v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_18|) 32)) (.cse4 (select (select (store .cse5 |~#cxt~0.base| (store .cse6 .cse2 (select (select (store .cse5 |~#cxt~0.base| (store .cse6 .cse2 (select .cse7 0))) |v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_18|) 24))) |v_ULTIMATE.start_lock_torture_init_~#torture_ops~0#1.base_18|) 32))) (or (not (= (select (select (store .cse0 |~#cxt~0.base| (store .cse1 .cse2 .cse3)) .cse3) .cse4) |#funAddr~torture_mutex_unlock.base|)) (not (= |#funAddr~torture_mutex_unlock.offset| (select (select (store .cse5 |~#cxt~0.base| (store .cse6 .cse2 .cse4)) .cse3) .cse4))))))))) is different from false [2021-11-17 13:34:52,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579000256] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:34:52,702 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 13:34:52,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-11-17 13:34:52,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690474172] [2021-11-17 13:34:52,702 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 13:34:52,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-17 13:34:52,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:34:52,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-17 13:34:52,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1089, Unknown=3, NotChecked=204, Total=1406 [2021-11-17 13:34:52,703 INFO L87 Difference]: Start difference. First operand 1672 states and 2118 transitions. Second operand has 26 states, 24 states have (on average 2.75) internal successors, (66), 26 states have internal predecessors, (66), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:34:56,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:34:56,674 INFO L93 Difference]: Finished difference Result 2615 states and 3299 transitions. [2021-11-17 13:34:56,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 13:34:56,676 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 24 states have (on average 2.75) internal successors, (66), 26 states have internal predecessors, (66), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2021-11-17 13:34:56,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:34:56,683 INFO L225 Difference]: With dead ends: 2615 [2021-11-17 13:34:56,696 INFO L226 Difference]: Without dead ends: 1704 [2021-11-17 13:34:56,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 50 SyntacticMatches, 6 SemanticMatches, 51 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=220, Invalid=2239, Unknown=3, NotChecked=294, Total=2756 [2021-11-17 13:34:56,699 INFO L933 BasicCegarLoop]: 1202 mSDtfsCounter, 109 mSDsluCounter, 14975 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 16177 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 129 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-17 13:34:56,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 16177 Invalid, 1503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1328 Invalid, 0 Unknown, 129 Unchecked, 2.3s Time] [2021-11-17 13:34:56,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2021-11-17 13:34:56,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1674. [2021-11-17 13:34:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1674 states, 1173 states have (on average 1.2455242966751918) internal successors, (1461), 1245 states have internal predecessors, (1461), 331 states have call successors, (331), 142 states have call predecessors, (331), 139 states have return successors, (329), 313 states have call predecessors, (329), 329 states have call successors, (329) [2021-11-17 13:34:56,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1674 states to 1674 states and 2121 transitions. [2021-11-17 13:34:56,775 INFO L78 Accepts]: Start accepts. Automaton has 1674 states and 2121 transitions. Word has length 40 [2021-11-17 13:34:56,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:34:56,776 INFO L470 AbstractCegarLoop]: Abstraction has 1674 states and 2121 transitions. [2021-11-17 13:34:56,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 24 states have (on average 2.75) internal successors, (66), 26 states have internal predecessors, (66), 5 states have call successors, (6), 5 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-17 13:34:56,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 2121 transitions. [2021-11-17 13:34:56,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-17 13:34:56,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:34:56,777 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:34:56,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-17 13:34:56,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:34:56,991 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:34:56,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:34:56,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1262413276, now seen corresponding path program 1 times [2021-11-17 13:34:56,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:34:56,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067981019] [2021-11-17 13:34:56,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:34:56,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:34:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:57,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:34:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:34:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:57,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 13:34:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:34:57,048 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:34:57,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067981019] [2021-11-17 13:34:57,048 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067981019] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:34:57,048 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:34:57,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 13:34:57,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216699077] [2021-11-17 13:34:57,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:34:57,049 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 13:34:57,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:34:57,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 13:34:57,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 13:34:57,050 INFO L87 Difference]: Start difference. First operand 1674 states and 2121 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-17 13:34:57,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:34:57,122 INFO L93 Difference]: Finished difference Result 1698 states and 2151 transitions. [2021-11-17 13:34:57,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 13:34:57,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2021-11-17 13:34:57,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:34:57,129 INFO L225 Difference]: With dead ends: 1698 [2021-11-17 13:34:57,129 INFO L226 Difference]: Without dead ends: 1696 [2021-11-17 13:34:57,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 13:34:57,130 INFO L933 BasicCegarLoop]: 1178 mSDtfsCounter, 33 mSDsluCounter, 2343 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 3521 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-17 13:34:57,130 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 3521 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-17 13:34:57,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2021-11-17 13:34:57,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1678. [2021-11-17 13:34:57,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1678 states, 1177 states have (on average 1.2446898895497027) internal successors, (1465), 1249 states have internal predecessors, (1465), 331 states have call successors, (331), 142 states have call predecessors, (331), 139 states have return successors, (329), 313 states have call predecessors, (329), 329 states have call successors, (329) [2021-11-17 13:34:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2125 transitions. [2021-11-17 13:34:57,230 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2125 transitions. Word has length 43 [2021-11-17 13:34:57,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:34:57,232 INFO L470 AbstractCegarLoop]: Abstraction has 1678 states and 2125 transitions. [2021-11-17 13:34:57,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-17 13:34:57,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2125 transitions. [2021-11-17 13:34:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-17 13:34:57,233 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:34:57,233 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:34:57,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-17 13:34:57,233 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:34:57,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:34:57,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1262472858, now seen corresponding path program 1 times [2021-11-17 13:34:57,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:34:57,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535728805] [2021-11-17 13:34:57,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:34:57,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:34:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:57,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:34:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:57,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 13:34:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:57,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 13:34:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:34:57,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:34:57,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:34:57,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535728805] [2021-11-17 13:34:57,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535728805] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 13:34:57,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 13:34:57,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 13:34:57,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409817788] [2021-11-17 13:34:57,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 13:34:57,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 13:34:57,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 13:34:57,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 13:34:57,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 13:34:57,313 INFO L87 Difference]: Start difference. First operand 1678 states and 2125 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-17 13:34:58,701 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 13:34:59,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 13:34:59,221 INFO L93 Difference]: Finished difference Result 3210 states and 4088 transitions. [2021-11-17 13:34:59,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 13:34:59,221 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2021-11-17 13:34:59,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 13:34:59,227 INFO L225 Difference]: With dead ends: 3210 [2021-11-17 13:34:59,227 INFO L226 Difference]: Without dead ends: 1672 [2021-11-17 13:34:59,230 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-17 13:34:59,233 INFO L933 BasicCegarLoop]: 1174 mSDtfsCounter, 1161 mSDsluCounter, 3121 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1164 SdHoareTripleChecker+Valid, 4295 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-17 13:34:59,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1164 Valid, 4295 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-17 13:34:59,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1672 states. [2021-11-17 13:34:59,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1672 to 1672. [2021-11-17 13:34:59,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1672 states, 1172 states have (on average 1.242320819112628) internal successors, (1456), 1243 states have internal predecessors, (1456), 331 states have call successors, (331), 142 states have call predecessors, (331), 139 states have return successors, (329), 313 states have call predecessors, (329), 329 states have call successors, (329) [2021-11-17 13:34:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2116 transitions. [2021-11-17 13:34:59,348 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2116 transitions. Word has length 43 [2021-11-17 13:34:59,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 13:34:59,348 INFO L470 AbstractCegarLoop]: Abstraction has 1672 states and 2116 transitions. [2021-11-17 13:34:59,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2021-11-17 13:34:59,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2116 transitions. [2021-11-17 13:34:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-17 13:34:59,349 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 13:34:59,349 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 1, 1, 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 13:34:59,350 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-17 13:34:59,350 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2021-11-17 13:34:59,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 13:34:59,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1695222265, now seen corresponding path program 5 times [2021-11-17 13:34:59,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 13:34:59,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693957338] [2021-11-17 13:34:59,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 13:34:59,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 13:34:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:35:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 13:35:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 13:35:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:35:00,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 13:35:00,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693957338] [2021-11-17 13:35:00,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693957338] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 13:35:00,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269052731] [2021-11-17 13:35:00,655 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-11-17 13:35:00,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 13:35:00,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 13:35:00,656 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 13:35:00,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-17 13:35:00,929 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-11-17 13:35:00,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-17 13:35:00,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-17 13:35:00,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 13:35:01,416 INFO L354 Elim1Store]: treesize reduction 1892, result has 3.1 percent of original size [2021-11-17 13:35:01,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 14 case distinctions, treesize of input 145 treesize of output 164 [2021-11-17 13:35:03,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 62 [2021-11-17 13:35:03,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:03,358 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-17 13:35:03,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 211 treesize of output 234 [2021-11-17 13:35:03,637 INFO L354 Elim1Store]: treesize reduction 1156, result has 7.4 percent of original size [2021-11-17 13:35:03,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 356 treesize of output 380 [2021-11-17 13:35:04,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,105 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:35:04,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,115 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-17 13:35:04,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 23 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 8 case distinctions, treesize of input 207 treesize of output 144 [2021-11-17 13:35:04,157 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:35:04,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 36 [2021-11-17 13:35:04,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,584 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:35:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,594 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-17 13:35:04,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 224 treesize of output 145 [2021-11-17 13:35:04,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:04,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 46 [2021-11-17 13:35:05,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 58 [2021-11-17 13:35:05,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,133 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:35:05,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,144 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-17 13:35:05,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 225 treesize of output 148 [2021-11-17 13:35:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,640 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 55 [2021-11-17 13:35:05,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,655 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:35:05,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:05,668 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-17 13:35:05,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 222 treesize of output 145 [2021-11-17 13:35:06,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-17 13:35:06,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,115 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-17 13:35:06,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 9 case distinctions, treesize of input 231 treesize of output 148 [2021-11-17 13:35:06,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 58 [2021-11-17 13:35:06,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,632 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-17 13:35:06,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 226 treesize of output 221 [2021-11-17 13:35:06,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-17 13:35:06,642 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-11-17 13:35:06,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 10 new quantified variables, introduced 36 case distinctions, treesize of input 205 treesize of output 158 [2021-11-17 13:35:06,942 INFO L354 Elim1Store]: treesize reduction 150, result has 2.0 percent of original size [2021-11-17 13:35:06,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 12 new quantified variables, introduced 45 case distinctions, treesize of input 214 treesize of output 111 [2021-11-17 13:35:06,952 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-17 13:35:06,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 27 [2021-11-17 13:35:06,971 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-17 13:35:06,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 13:35:08,650 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-17 13:35:08,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 55852450 treesize of output 55713319 [2021-11-17 13:35:28,292 WARN L227 SmtUtils]: Spent 19.64s on a formula simplification that was a NOOP. DAG size: 1944 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-17 13:36:26,608 WARN L227 SmtUtils]: Spent 39.02s on a formula simplification that was a NOOP. DAG size: 1938 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-17 13:38:03,405 WARN L227 SmtUtils]: Spent 19.61s on a formula simplification that was a NOOP. DAG size: 1932 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Killed by 15