./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:22:50,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:22:50,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:22:50,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:22:50,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:22:50,583 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:22:50,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:22:50,590 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:22:50,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:22:50,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:22:50,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:22:50,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:22:50,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:22:50,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:22:50,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:22:50,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:22:50,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:22:50,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:22:50,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:22:50,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:22:50,642 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:22:50,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:22:50,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:22:50,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:22:50,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:22:50,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:22:50,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:22:50,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:22:50,654 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:22:50,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:22:50,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:22:50,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:22:50,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:22:50,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:22:50,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:22:50,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:22:50,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:22:50,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:22:50,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:22:50,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:22:50,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:22:50,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:22:50,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:22:50,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:22:50,712 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:22:50,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:22:50,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:22:50,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:22:50,721 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:22:50,721 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:22:50,722 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:22:50,722 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:22:50,723 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:22:50,723 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:22:50,723 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:22:50,724 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:22:50,724 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:22:50,724 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:22:50,724 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:22:50,725 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:22:50,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:22:50,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:22:50,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:22:50,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:22:50,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:22:50,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:22:50,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:22:50,727 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:22:50,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:22:50,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:22:50,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:22:50,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:22:50,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:22:50,729 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:22:50,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:22:50,729 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:22:50,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:22:50,730 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:22:50,730 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:22:50,730 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:22:50,730 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03d5d1a576959110e79c00ca2825754bce7439905d85699b470a90adbbee10ad [2021-11-21 01:22:51,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:22:51,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:22:51,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:22:51,063 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:22:51,064 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:22:51,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-11-21 01:22:51,149 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/data/b87157505/ed9e26b22c4946738cd6f51b53e74a7f/FLAGd151fcda7 [2021-11-21 01:22:52,044 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:22:52,045 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-11-21 01:22:52,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/data/b87157505/ed9e26b22c4946738cd6f51b53e74a7f/FLAGd151fcda7 [2021-11-21 01:22:52,123 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/data/b87157505/ed9e26b22c4946738cd6f51b53e74a7f [2021-11-21 01:22:52,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:22:52,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:22:52,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:22:52,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:22:52,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:22:52,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:22:52" (1/1) ... [2021-11-21 01:22:52,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c92204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:52, skipping insertion in model container [2021-11-21 01:22:52,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:22:52" (1/1) ... [2021-11-21 01:22:52,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:22:52,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:22:53,662 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-11-21 01:22:53,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:22:53,738 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:22:54,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i[164960,164973] [2021-11-21 01:22:54,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:22:54,411 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:22:54,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:54 WrapperNode [2021-11-21 01:22:54,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:22:54,413 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:22:54,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:22:54,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:22:54,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:54" (1/1) ... [2021-11-21 01:22:54,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:54" (1/1) ... [2021-11-21 01:22:54,629 INFO L137 Inliner]: procedures = 151, calls = 761, calls flagged for inlining = 67, calls inlined = 53, statements flattened = 1701 [2021-11-21 01:22:54,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:22:54,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:22:54,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:22:54,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:22:54,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:54" (1/1) ... [2021-11-21 01:22:54,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:54" (1/1) ... [2021-11-21 01:22:54,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:54" (1/1) ... [2021-11-21 01:22:54,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:54" (1/1) ... [2021-11-21 01:22:54,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:54" (1/1) ... [2021-11-21 01:22:54,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:54" (1/1) ... [2021-11-21 01:22:54,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:54" (1/1) ... [2021-11-21 01:22:54,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:22:54,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:22:54,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:22:54,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:22:54,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:54" (1/1) ... [2021-11-21 01:22:54,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:22:54,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:22:54,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:22:54,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:22:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_lock_sync [2021-11-21 01:22:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_lock_sync [2021-11-21 01:22:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_free [2021-11-21 01:22:54,903 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_free [2021-11-21 01:22:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 01:22:54,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 01:22:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 01:22:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 01:22:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 01:22:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:22:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 01:22:54,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 01:22:54,904 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_release_lockspace [2021-11-21 01:22:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_release_lockspace [2021-11-21 01:22:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure lock_comm [2021-11-21 01:22:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_comm [2021-11-21 01:22:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 01:22:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 01:22:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 01:22:54,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 01:22:54,905 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-21 01:22:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-21 01:22:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-21 01:22:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-21 01:22:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 01:22:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 01:22:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-21 01:22:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-21 01:22:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:22:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-21 01:22:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-21 01:22:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-21 01:22:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-21 01:22:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2021-11-21 01:22:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2021-11-21 01:22:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:22:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:22:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_copy_from_slot [2021-11-21 01:22:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_copy_from_slot [2021-11-21 01:22:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-21 01:22:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-21 01:22:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-21 01:22:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-21 01:22:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:22:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-21 01:22:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-21 01:22:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-21 01:22:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-21 01:22:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2021-11-21 01:22:54,909 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2021-11-21 01:22:54,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:22:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure md_unregister_thread [2021-11-21 01:22:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure md_unregister_thread [2021-11-21 01:22:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-21 01:22:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-21 01:22:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:22:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:22:54,910 INFO L130 BoogieDeclarations]: Found specification of procedure resync_send [2021-11-21 01:22:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_send [2021-11-21 01:22:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-21 01:22:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-21 01:22:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure lockres_init [2021-11-21 01:22:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure lockres_init [2021-11-21 01:22:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:22:54,911 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_comm [2021-11-21 01:22:54,911 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_comm [2021-11-21 01:22:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-11-21 01:22:54,912 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-11-21 01:22:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:22:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:22:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure resync_info_update [2021-11-21 01:22:54,912 INFO L138 BoogieDeclarations]: Found implementation of procedure resync_info_update [2021-11-21 01:22:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 01:22:54,912 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 01:22:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure __sendmsg [2021-11-21 01:22:54,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __sendmsg [2021-11-21 01:22:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-21 01:22:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-21 01:22:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:22:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure pretty_uuid [2021-11-21 01:22:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure pretty_uuid [2021-11-21 01:22:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 01:22:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:22:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:22:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure sendmsg [2021-11-21 01:22:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure sendmsg [2021-11-21 01:22:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure dlm_unlock_sync [2021-11-21 01:22:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure dlm_unlock_sync [2021-11-21 01:22:55,398 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:22:55,401 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:22:55,644 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 01:22:57,024 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:22:57,183 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:22:57,184 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 01:22:57,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:22:57 BoogieIcfgContainer [2021-11-21 01:22:57,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:22:57,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:22:57,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:22:57,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:22:57,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:22:52" (1/3) ... [2021-11-21 01:22:57,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a52421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:22:57, skipping insertion in model container [2021-11-21 01:22:57,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:54" (2/3) ... [2021-11-21 01:22:57,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42a52421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:22:57, skipping insertion in model container [2021-11-21 01:22:57,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:22:57" (3/3) ... [2021-11-21 01:22:57,201 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--md-cluster.ko-entry_point.cil.out.i [2021-11-21 01:22:57,207 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:22:57,208 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-21 01:22:57,280 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:22:57,293 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=FINITE_AUTOMATA, 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 [2021-11-21 01:22:57,294 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-21 01:22:57,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 466 states, 297 states have (on average 1.3602693602693603) internal successors, (404), 308 states have internal predecessors, (404), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) [2021-11-21 01:22:57,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-21 01:22:57,354 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:22:57,355 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:22:57,356 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:22:57,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:22:57,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1594921071, now seen corresponding path program 1 times [2021-11-21 01:22:57,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:22:57,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720263940] [2021-11-21 01:22:57,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:22:57,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:22:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:22:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-11-21 01:22:58,127 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:22:58,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720263940] [2021-11-21 01:22:58,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720263940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:22:58,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:22:58,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:22:58,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326799598] [2021-11-21 01:22:58,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:22:58,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:22:58,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:22:58,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:22:58,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:22:58,190 INFO L87 Difference]: Start difference. First operand has 466 states, 297 states have (on average 1.3602693602693603) internal successors, (404), 308 states have internal predecessors, (404), 132 states have call successors, (132), 36 states have call predecessors, (132), 35 states have return successors, (128), 127 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-21 01:22:58,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:22:58,773 INFO L93 Difference]: Finished difference Result 1310 states and 1875 transitions. [2021-11-21 01:22:58,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:22:58,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2021-11-21 01:22:58,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:22:58,808 INFO L225 Difference]: With dead ends: 1310 [2021-11-21 01:22:58,808 INFO L226 Difference]: Without dead ends: 865 [2021-11-21 01:22:58,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:22:58,822 INFO L933 BasicCegarLoop]: 699 mSDtfsCounter, 582 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 582 SdHoareTripleChecker+Valid, 1283 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:22:58,823 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [582 Valid, 1283 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-21 01:22:58,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2021-11-21 01:22:58,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 862. [2021-11-21 01:22:59,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 562 states have (on average 1.3523131672597866) internal successors, (760), 571 states have internal predecessors, (760), 234 states have call successors, (234), 66 states have call predecessors, (234), 65 states have return successors, (232), 230 states have call predecessors, (232), 232 states have call successors, (232) [2021-11-21 01:22:59,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1226 transitions. [2021-11-21 01:22:59,019 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1226 transitions. Word has length 146 [2021-11-21 01:22:59,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:22:59,020 INFO L470 AbstractCegarLoop]: Abstraction has 862 states and 1226 transitions. [2021-11-21 01:22:59,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-21 01:22:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1226 transitions. [2021-11-21 01:22:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2021-11-21 01:22:59,027 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:22:59,027 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:22:59,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:22:59,028 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:22:59,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:22:59,036 INFO L85 PathProgramCache]: Analyzing trace with hash 162650200, now seen corresponding path program 1 times [2021-11-21 01:22:59,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:22:59,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012249819] [2021-11-21 01:22:59,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:22:59,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:22:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:22:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2021-11-21 01:22:59,330 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:22:59,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012249819] [2021-11-21 01:22:59,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012249819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:22:59,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:22:59,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:22:59,331 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69965685] [2021-11-21 01:22:59,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:22:59,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:22:59,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:22:59,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:22:59,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:22:59,335 INFO L87 Difference]: Start difference. First operand 862 states and 1226 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-21 01:22:59,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:22:59,567 INFO L93 Difference]: Finished difference Result 1690 states and 2403 transitions. [2021-11-21 01:22:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:22:59,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 149 [2021-11-21 01:22:59,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:22:59,584 INFO L225 Difference]: With dead ends: 1690 [2021-11-21 01:22:59,585 INFO L226 Difference]: Without dead ends: 861 [2021-11-21 01:22:59,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:22:59,592 INFO L933 BasicCegarLoop]: 578 mSDtfsCounter, 646 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 646 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:22:59,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [646 Valid, 578 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:22:59,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2021-11-21 01:22:59,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 861. [2021-11-21 01:22:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 561 states have (on average 1.3475935828877006) internal successors, (756), 570 states have internal predecessors, (756), 234 states have call successors, (234), 66 states have call predecessors, (234), 65 states have return successors, (232), 230 states have call predecessors, (232), 232 states have call successors, (232) [2021-11-21 01:22:59,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1222 transitions. [2021-11-21 01:22:59,673 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1222 transitions. Word has length 149 [2021-11-21 01:22:59,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:22:59,675 INFO L470 AbstractCegarLoop]: Abstraction has 861 states and 1222 transitions. [2021-11-21 01:22:59,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-21 01:22:59,675 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1222 transitions. [2021-11-21 01:22:59,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-21 01:22:59,685 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:22:59,685 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:22:59,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:22:59,686 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:22:59,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:22:59,687 INFO L85 PathProgramCache]: Analyzing trace with hash -623583671, now seen corresponding path program 1 times [2021-11-21 01:22:59,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:22:59,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639884805] [2021-11-21 01:22:59,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:22:59,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:22:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:22:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2021-11-21 01:22:59,987 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:22:59,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639884805] [2021-11-21 01:22:59,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639884805] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:22:59,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:22:59,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:22:59,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620144578] [2021-11-21 01:22:59,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:22:59,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:22:59,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:22:59,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:22:59,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:22:59,992 INFO L87 Difference]: Start difference. First operand 861 states and 1222 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 01:23:00,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:23:00,318 INFO L93 Difference]: Finished difference Result 1406 states and 1972 transitions. [2021-11-21 01:23:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:23:00,319 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2021-11-21 01:23:00,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:23:00,335 INFO L225 Difference]: With dead ends: 1406 [2021-11-21 01:23:00,336 INFO L226 Difference]: Without dead ends: 1401 [2021-11-21 01:23:00,337 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:23:00,345 INFO L933 BasicCegarLoop]: 658 mSDtfsCounter, 384 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:23:00,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [384 Valid, 1190 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:23:00,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1401 states. [2021-11-21 01:23:00,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1401 to 1401. [2021-11-21 01:23:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1401 states, 922 states have (on average 1.356832971800434) internal successors, (1251), 933 states have internal predecessors, (1251), 359 states have call successors, (359), 120 states have call predecessors, (359), 119 states have return successors, (357), 355 states have call predecessors, (357), 357 states have call successors, (357) [2021-11-21 01:23:00,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1401 states and 1967 transitions. [2021-11-21 01:23:00,484 INFO L78 Accepts]: Start accepts. Automaton has 1401 states and 1967 transitions. Word has length 191 [2021-11-21 01:23:00,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:23:00,487 INFO L470 AbstractCegarLoop]: Abstraction has 1401 states and 1967 transitions. [2021-11-21 01:23:00,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 01:23:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1967 transitions. [2021-11-21 01:23:00,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-21 01:23:00,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:23:00,552 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:23:00,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:23:00,553 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:23:00,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:23:00,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1607989660, now seen corresponding path program 1 times [2021-11-21 01:23:00,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:23:00,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224962772] [2021-11-21 01:23:00,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:00,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:23:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:23:00,934 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-21 01:23:00,935 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:23:00,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224962772] [2021-11-21 01:23:00,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224962772] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:23:00,936 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:23:00,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:23:00,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817923784] [2021-11-21 01:23:00,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:23:00,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:23:00,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:23:00,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:23:00,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:23:00,939 INFO L87 Difference]: Start difference. First operand 1401 states and 1967 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 01:23:01,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:23:01,791 INFO L93 Difference]: Finished difference Result 2261 states and 3224 transitions. [2021-11-21 01:23:01,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:23:01,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 207 [2021-11-21 01:23:01,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:23:01,816 INFO L225 Difference]: With dead ends: 2261 [2021-11-21 01:23:01,816 INFO L226 Difference]: Without dead ends: 2256 [2021-11-21 01:23:01,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:23:01,825 INFO L933 BasicCegarLoop]: 716 mSDtfsCounter, 675 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 752 SdHoareTripleChecker+Valid, 1489 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:23:01,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [752 Valid, 1489 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-21 01:23:01,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states. [2021-11-21 01:23:02,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 1945. [2021-11-21 01:23:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1945 states, 1287 states have (on average 1.3613053613053614) internal successors, (1752), 1300 states have internal predecessors, (1752), 484 states have call successors, (484), 174 states have call predecessors, (484), 173 states have return successors, (482), 480 states have call predecessors, (482), 482 states have call successors, (482) [2021-11-21 01:23:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2718 transitions. [2021-11-21 01:23:02,033 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2718 transitions. Word has length 207 [2021-11-21 01:23:02,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:23:02,034 INFO L470 AbstractCegarLoop]: Abstraction has 1945 states and 2718 transitions. [2021-11-21 01:23:02,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-21 01:23:02,035 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2718 transitions. [2021-11-21 01:23:02,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2021-11-21 01:23:02,047 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:23:02,047 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:23:02,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:23:02,048 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:23:02,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:23:02,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1215248823, now seen corresponding path program 1 times [2021-11-21 01:23:02,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:23:02,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112678799] [2021-11-21 01:23:02,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:02,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:23:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:23:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2021-11-21 01:23:02,318 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:23:02,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112678799] [2021-11-21 01:23:02,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112678799] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:23:02,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475590356] [2021-11-21 01:23:02,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:02,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:02,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:23:02,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:23:02,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:23:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:23:03,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 1860 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 01:23:03,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:23:03,743 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 221 proven. 0 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2021-11-21 01:23:03,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:23:03,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475590356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:23:03,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:23:03,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2021-11-21 01:23:03,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599513002] [2021-11-21 01:23:03,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:23:03,745 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:23:03,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:23:03,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:23:03,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:23:03,747 INFO L87 Difference]: Start difference. First operand 1945 states and 2718 transitions. Second operand has 6 states, 4 states have (on average 19.0) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-21 01:23:04,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:23:04,419 INFO L93 Difference]: Finished difference Result 3896 states and 5467 transitions. [2021-11-21 01:23:04,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:23:04,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 19.0) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 218 [2021-11-21 01:23:04,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:23:04,439 INFO L225 Difference]: With dead ends: 3896 [2021-11-21 01:23:04,439 INFO L226 Difference]: Without dead ends: 1951 [2021-11-21 01:23:04,450 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:23:04,451 INFO L933 BasicCegarLoop]: 567 mSDtfsCounter, 3 mSDsluCounter, 2504 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2804 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:23:04,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 2804 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 01:23:04,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1951 states. [2021-11-21 01:23:04,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1951 to 1951. [2021-11-21 01:23:04,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1293 states have (on average 1.359628770301624) internal successors, (1758), 1306 states have internal predecessors, (1758), 484 states have call successors, (484), 174 states have call predecessors, (484), 173 states have return successors, (482), 480 states have call predecessors, (482), 482 states have call successors, (482) [2021-11-21 01:23:04,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2724 transitions. [2021-11-21 01:23:04,632 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2724 transitions. Word has length 218 [2021-11-21 01:23:04,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:23:04,633 INFO L470 AbstractCegarLoop]: Abstraction has 1951 states and 2724 transitions. [2021-11-21 01:23:04,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 19.0) internal successors, (76), 6 states have internal predecessors, (76), 3 states have call successors, (27), 2 states have call predecessors, (27), 4 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-11-21 01:23:04,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2724 transitions. [2021-11-21 01:23:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-11-21 01:23:04,645 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:23:04,645 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:23:04,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 01:23:04,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:04,874 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-21 01:23:04,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:23:04,874 INFO L85 PathProgramCache]: Analyzing trace with hash 20908708, now seen corresponding path program 1 times [2021-11-21 01:23:04,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:23:04,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430145896] [2021-11-21 01:23:04,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:04,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:23:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:23:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 8 proven. 73 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2021-11-21 01:23:05,326 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:23:05,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430145896] [2021-11-21 01:23:05,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430145896] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:23:05,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122525352] [2021-11-21 01:23:05,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:23:05,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:23:05,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:23:05,329 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:23:05,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d9db098-4319-41f6-941d-b033792b3d73/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:23:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:23:07,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 1926 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 01:23:07,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:23:07,712 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 277 proven. 1 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2021-11-21 01:23:07,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:23:08,461 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 8 proven. 73 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2021-11-21 01:23:08,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122525352] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:23:08,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [908199908] [2021-11-21 01:23:08,494 INFO L159 IcfgInterpreter]: Started Sifa with 92 locations of interest [2021-11-21 01:23:08,494 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:23:08,499 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:23:08,504 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:23:08,507 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:23:10,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:10,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:10,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:10,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:10,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:10,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:10,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:10,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:10,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:10,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:10,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:23:10,624 INFO L244 Elim1Store]: Index analysis took 849 ms [2021-11-21 01:25:12,744 WARN L227 SmtUtils]: Spent 2.03m on a formula simplification. DAG size of input: 3334 DAG size of output: 1260 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-11-21 01:25:12,758 INFO L354 Elim1Store]: treesize reduction 22106, result has 12.1 percent of original size [2021-11-21 01:25:12,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 77 select indices, 77 select index equivalence classes, 2947 disjoint index pairs (out of 2926 index pairs), introduced 77 new quantified variables, introduced 86 case distinctions, treesize of input 422 treesize of output 3270 [2021-11-21 01:35:34,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:37,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:43,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:46,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:48,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:51,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:53,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:54,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:54,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:54,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:55,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:56,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:57,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:57,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:35:57,920 INFO L244 Elim1Store]: Index analysis took 24558 ms