./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-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba --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 d256a8b259faad28b260c065eb5db63197c2a9358a88ea40fe4f65cbd4165ef2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:53:12,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:53:12,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:53:12,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:53:12,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:53:12,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:53:12,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:53:12,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:53:12,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:53:12,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:53:12,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:53:12,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:53:12,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:53:12,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:53:12,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:53:12,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:53:12,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:53:12,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:53:12,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:53:12,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:53:12,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:53:12,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:53:12,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:53:12,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:53:12,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:53:12,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:53:12,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:53:12,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:53:12,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:53:12,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:53:12,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:53:12,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:53:12,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:53:12,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:53:12,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:53:12,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:53:12,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:53:12,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:53:12,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:53:12,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:53:12,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:53:12,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:53:12,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:53:12,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:53:12,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:53:12,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:53:12,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:53:12,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:53:12,947 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:53:12,947 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:53:12,947 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:53:12,947 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:53:12,948 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:53:12,948 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:53:12,948 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:53:12,948 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:53:12,948 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:53:12,948 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:53:12,949 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:53:12,949 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:53:12,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:53:12,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:53:12,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:53:12,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:53:12,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:53:12,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:53:12,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:53:12,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:53:12,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:53:12,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:53:12,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:53:12,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:53:12,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:53:12,952 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:53:12,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:53:12,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:53:12,952 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:53:12,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:53:12,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:53:12,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:53:12,953 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d256a8b259faad28b260c065eb5db63197c2a9358a88ea40fe4f65cbd4165ef2 [2022-11-22 01:53:13,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:53:13,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:53:13,269 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:53:13,270 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:53:13,270 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:53:13,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2022-11-22 01:53:16,343 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:53:16,879 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:53:16,879 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2022-11-22 01:53:16,910 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/data/e40801347/d50cfe59b783433e8f70d790460e5a1b/FLAG8e5430ea2 [2022-11-22 01:53:16,928 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/data/e40801347/d50cfe59b783433e8f70d790460e5a1b [2022-11-22 01:53:16,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:53:16,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:53:16,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:53:16,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:53:16,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:53:16,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:53:16" (1/1) ... [2022-11-22 01:53:16,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696b091d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:16, skipping insertion in model container [2022-11-22 01:53:16,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:53:16" (1/1) ... [2022-11-22 01:53:16,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:53:17,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:53:18,649 WARN L237 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_0c8b096e-1acc-463d-98de-a3f9146ae041/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i[159905,159918] [2022-11-22 01:53:18,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:53:18,862 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:53:19,154 WARN L237 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_0c8b096e-1acc-463d-98de-a3f9146ae041/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i[159905,159918] [2022-11-22 01:53:19,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:53:19,292 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:53:19,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19 WrapperNode [2022-11-22 01:53:19,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:53:19,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:53:19,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:53:19,294 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:53:19,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19" (1/1) ... [2022-11-22 01:53:19,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19" (1/1) ... [2022-11-22 01:53:19,522 INFO L138 Inliner]: procedures = 259, calls = 1110, calls flagged for inlining = 115, calls inlined = 111, statements flattened = 2800 [2022-11-22 01:53:19,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:53:19,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:53:19,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:53:19,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:53:19,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19" (1/1) ... [2022-11-22 01:53:19,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19" (1/1) ... [2022-11-22 01:53:19,551 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19" (1/1) ... [2022-11-22 01:53:19,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19" (1/1) ... [2022-11-22 01:53:19,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19" (1/1) ... [2022-11-22 01:53:19,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19" (1/1) ... [2022-11-22 01:53:19,701 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19" (1/1) ... [2022-11-22 01:53:19,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19" (1/1) ... [2022-11-22 01:53:19,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:53:19,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:53:19,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:53:19,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:53:19,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19" (1/1) ... [2022-11-22 01:53:19,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:53:19,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:53:19,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:53:19,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:53:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:53:19,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:53:19,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:53:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:53:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_create [2022-11-22 01:53:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_create [2022-11-22 01:53:19,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:53:19,858 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:53:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-22 01:53:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-22 01:53:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:53:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:53:19,859 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 01:53:19,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 01:53:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_event [2022-11-22 01:53:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_event [2022-11-22 01:53:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-22 01:53:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-22 01:53:19,860 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_packet [2022-11-22 01:53:19,860 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_packet [2022-11-22 01:53:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:53:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:53:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:53:19,861 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:53:19,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 01:53:19,862 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 01:53:19,862 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-22 01:53:19,863 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-22 01:53:19,863 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_notify_readers [2022-11-22 01:53:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_notify_readers [2022-11-22 01:53:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:53:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:53:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:53:19,864 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 01:53:19,864 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 01:53:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_close_device [2022-11-22 01:53:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_close_device [2022-11-22 01:53:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:53:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_fasync [2022-11-22 01:53:19,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_fasync [2022-11-22 01:53:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-11-22 01:53:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-11-22 01:53:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_mousedev [2022-11-22 01:53:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_mousedev [2022-11-22 01:53:19,866 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_poll [2022-11-22 01:53:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_poll [2022-11-22 01:53:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:53:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:53:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-22 01:53:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-22 01:53:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2022-11-22 01:53:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2022-11-22 01:53:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:53:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_destroy [2022-11-22 01:53:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_destroy [2022-11-22 01:53:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:53:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_2 [2022-11-22 01:53:19,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_2 [2022-11-22 01:53:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2022-11-22 01:53:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2022-11-22 01:53:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-22 01:53:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-22 01:53:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_limit_delta [2022-11-22 01:53:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_limit_delta [2022-11-22 01:53:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 01:53:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 01:53:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 01:53:19,872 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 01:53:19,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:53:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:53:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:53:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:53:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:53:19,873 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_key_event [2022-11-22 01:53:19,873 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_key_event [2022-11-22 01:53:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:53:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:53:19,874 INFO L130 BoogieDeclarations]: Found specification of procedure get_device [2022-11-22 01:53:19,874 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device [2022-11-22 01:53:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:53:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:53:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-22 01:53:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-22 01:53:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:53:19,875 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:53:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure kill_fasync [2022-11-22 01:53:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_fasync [2022-11-22 01:53:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:53:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure input_close_device [2022-11-22 01:53:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure input_close_device [2022-11-22 01:53:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-22 01:53:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-22 01:53:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-11-22 01:53:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-11-22 01:53:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-22 01:53:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-22 01:53:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_new_minor [2022-11-22 01:53:19,877 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_new_minor [2022-11-22 01:53:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:53:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-22 01:53:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-22 01:53:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:53:19,878 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_write [2022-11-22 01:53:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_write [2022-11-22 01:53:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:53:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:53:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_handle [2022-11-22 01:53:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_handle [2022-11-22 01:53:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:53:19,879 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-22 01:53:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-22 01:53:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:53:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_mousedev [2022-11-22 01:53:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_mousedev [2022-11-22 01:53:19,880 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-22 01:53:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-22 01:53:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_detach_client [2022-11-22 01:53:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_detach_client [2022-11-22 01:53:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2022-11-22 01:53:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2022-11-22 01:53:19,881 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-22 01:53:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-22 01:53:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-22 01:53:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-22 01:53:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_minor [2022-11-22 01:53:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_minor [2022-11-22 01:53:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_cleanup [2022-11-22 01:53:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_cleanup [2022-11-22 01:53:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_open_device [2022-11-22 01:53:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_open_device [2022-11-22 01:53:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure mousedev_disconnect [2022-11-22 01:53:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mousedev_disconnect [2022-11-22 01:53:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2022-11-22 01:53:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_mousedev [2022-11-22 01:53:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 01:53:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 01:53:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:53:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:53:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:53:19,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:53:19,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:53:19,885 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 01:53:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 01:53:20,496 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:53:20,500 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:53:20,831 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:53:25,588 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:53:26,699 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:53:26,699 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:53:26,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:53:26 BoogieIcfgContainer [2022-11-22 01:53:26,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:53:26,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:53:26,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:53:26,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:53:26,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:53:16" (1/3) ... [2022-11-22 01:53:26,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3916bd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:53:26, skipping insertion in model container [2022-11-22 01:53:26,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:53:19" (2/3) ... [2022-11-22 01:53:26,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3916bd5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:53:26, skipping insertion in model container [2022-11-22 01:53:26,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:53:26" (3/3) ... [2022-11-22 01:53:26,713 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--input--mousedev.ko-entry_point.cil.out.i [2022-11-22 01:53:26,739 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:53:26,739 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 01:53:26,843 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:53:26,856 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d8d0a86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:53:26,856 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 01:53:26,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 655 states, 396 states have (on average 1.3611111111111112) internal successors, (539), 428 states have internal predecessors, (539), 195 states have call successors, (195), 63 states have call predecessors, (195), 62 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) [2022-11-22 01:53:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-22 01:53:26,898 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:26,899 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:53:26,899 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:53:26,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:26,908 INFO L85 PathProgramCache]: Analyzing trace with hash 402374460, now seen corresponding path program 1 times [2022-11-22 01:53:26,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:26,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672243372] [2022-11-22 01:53:26,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:26,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:27,924 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-22 01:53:27,924 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:27,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672243372] [2022-11-22 01:53:27,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672243372] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:53:27,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:53:27,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:53:27,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872988828] [2022-11-22 01:53:27,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:53:27,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:53:27,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:53:27,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:53:27,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:53:27,969 INFO L87 Difference]: Start difference. First operand has 655 states, 396 states have (on average 1.3611111111111112) internal successors, (539), 428 states have internal predecessors, (539), 195 states have call successors, (195), 63 states have call predecessors, (195), 62 states have return successors, (191), 188 states have call predecessors, (191), 191 states have call successors, (191) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-22 01:53:30,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:32,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:35,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:53:35,930 INFO L93 Difference]: Finished difference Result 1689 states and 2423 transitions. [2022-11-22 01:53:35,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:53:35,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 192 [2022-11-22 01:53:35,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:53:35,972 INFO L225 Difference]: With dead ends: 1689 [2022-11-22 01:53:35,972 INFO L226 Difference]: Without dead ends: 1060 [2022-11-22 01:53:35,983 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:53:35,986 INFO L413 NwaCegarLoop]: 909 mSDtfsCounter, 560 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1678 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-22 01:53:35,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 1678 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 279 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-11-22 01:53:36,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2022-11-22 01:53:36,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1045. [2022-11-22 01:53:36,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 635 states have (on average 1.337007874015748) internal successors, (849), 674 states have internal predecessors, (849), 301 states have call successors, (301), 109 states have call predecessors, (301), 108 states have return successors, (296), 289 states have call predecessors, (296), 294 states have call successors, (296) [2022-11-22 01:53:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1446 transitions. [2022-11-22 01:53:36,133 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1446 transitions. Word has length 192 [2022-11-22 01:53:36,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:53:36,134 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 1446 transitions. [2022-11-22 01:53:36,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-22 01:53:36,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1446 transitions. [2022-11-22 01:53:36,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-22 01:53:36,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:36,138 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:53:36,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:53:36,139 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:53:36,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:36,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1884496067, now seen corresponding path program 1 times [2022-11-22 01:53:36,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:36,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42025629] [2022-11-22 01:53:36,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:36,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-22 01:53:36,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:36,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42025629] [2022-11-22 01:53:36,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42025629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:53:36,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:53:36,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:53:36,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444817426] [2022-11-22 01:53:36,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:53:36,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:53:36,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:53:36,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:53:36,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:53:36,655 INFO L87 Difference]: Start difference. First operand 1045 states and 1446 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-22 01:53:38,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:40,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:41,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:44,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:53:44,736 INFO L93 Difference]: Finished difference Result 2956 states and 4082 transitions. [2022-11-22 01:53:44,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:53:44,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 193 [2022-11-22 01:53:44,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:53:44,750 INFO L225 Difference]: With dead ends: 2956 [2022-11-22 01:53:44,751 INFO L226 Difference]: Without dead ends: 1950 [2022-11-22 01:53:44,755 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:53:44,756 INFO L413 NwaCegarLoop]: 1154 mSDtfsCounter, 822 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 822 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:53:44,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [822 Valid, 1904 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 311 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2022-11-22 01:53:44,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2022-11-22 01:53:44,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1945. [2022-11-22 01:53:44,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1945 states, 1190 states have (on average 1.3386554621848739) internal successors, (1593), 1257 states have internal predecessors, (1593), 546 states have call successors, (546), 209 states have call predecessors, (546), 208 states have return successors, (543), 530 states have call predecessors, (543), 539 states have call successors, (543) [2022-11-22 01:53:44,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2682 transitions. [2022-11-22 01:53:44,862 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2682 transitions. Word has length 193 [2022-11-22 01:53:44,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:53:44,863 INFO L495 AbstractCegarLoop]: Abstraction has 1945 states and 2682 transitions. [2022-11-22 01:53:44,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-22 01:53:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2682 transitions. [2022-11-22 01:53:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-22 01:53:44,867 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:44,867 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:53:44,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:53:44,868 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:53:44,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:44,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1941552709, now seen corresponding path program 1 times [2022-11-22 01:53:44,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:44,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489942462] [2022-11-22 01:53:44,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:44,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:45,302 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-22 01:53:45,302 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:45,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489942462] [2022-11-22 01:53:45,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489942462] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:53:45,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:53:45,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:53:45,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429450389] [2022-11-22 01:53:45,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:53:45,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:53:45,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:53:45,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:53:45,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:53:45,308 INFO L87 Difference]: Start difference. First operand 1945 states and 2682 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 01:53:47,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:51,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:53:53,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:53:53,151 INFO L93 Difference]: Finished difference Result 4827 states and 6621 transitions. [2022-11-22 01:53:53,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:53:53,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 213 [2022-11-22 01:53:53,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:53:53,206 INFO L225 Difference]: With dead ends: 4827 [2022-11-22 01:53:53,206 INFO L226 Difference]: Without dead ends: 2921 [2022-11-22 01:53:53,216 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:53:53,222 INFO L413 NwaCegarLoop]: 895 mSDtfsCounter, 581 mSDsluCounter, 724 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1619 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:53:53,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1619 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 284 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-11-22 01:53:53,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2921 states. [2022-11-22 01:53:53,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2921 to 2896. [2022-11-22 01:53:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2896 states, 1769 states have (on average 1.3403052572074619) internal successors, (2371), 1870 states have internal predecessors, (2371), 794 states have call successors, (794), 343 states have call predecessors, (794), 332 states have return successors, (799), 756 states have call predecessors, (799), 787 states have call successors, (799) [2022-11-22 01:53:53,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 3964 transitions. [2022-11-22 01:53:53,415 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 3964 transitions. Word has length 213 [2022-11-22 01:53:53,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:53:53,418 INFO L495 AbstractCegarLoop]: Abstraction has 2896 states and 3964 transitions. [2022-11-22 01:53:53,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 01:53:53,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3964 transitions. [2022-11-22 01:53:53,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-22 01:53:53,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:53:53,421 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:53:53,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:53:53,421 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:53:53,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:53:53,421 INFO L85 PathProgramCache]: Analyzing trace with hash 913479848, now seen corresponding path program 1 times [2022-11-22 01:53:53,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:53:53,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381360828] [2022-11-22 01:53:53,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:53:53,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:53:53,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:53:54,409 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-22 01:53:54,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:53:54,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381360828] [2022-11-22 01:53:54,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381360828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:53:54,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:53:54,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:53:54,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514180561] [2022-11-22 01:53:54,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:53:54,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:53:54,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:53:54,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:53:54,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:53:54,412 INFO L87 Difference]: Start difference. First operand 2896 states and 3964 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-22 01:53:56,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:02,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:54:04,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:06,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:07,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:54:07,701 INFO L93 Difference]: Finished difference Result 8137 states and 11224 transitions. [2022-11-22 01:54:07,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:54:07,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 217 [2022-11-22 01:54:07,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:54:07,732 INFO L225 Difference]: With dead ends: 8137 [2022-11-22 01:54:07,732 INFO L226 Difference]: Without dead ends: 5279 [2022-11-22 01:54:07,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:54:07,744 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 1155 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 1258 mSolverCounterSat, 520 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 1097 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 520 IncrementalHoareTripleChecker+Valid, 1258 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:54:07,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 1097 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [520 Valid, 1258 Invalid, 2 Unknown, 0 Unchecked, 12.9s Time] [2022-11-22 01:54:07,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5279 states. [2022-11-22 01:54:08,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5279 to 5224. [2022-11-22 01:54:08,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5224 states, 3238 states have (on average 1.3474366893143916) internal successors, (4363), 3437 states have internal predecessors, (4363), 1397 states have call successors, (1397), 631 states have call predecessors, (1397), 588 states have return successors, (1446), 1273 states have call predecessors, (1446), 1386 states have call successors, (1446) [2022-11-22 01:54:08,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5224 states to 5224 states and 7206 transitions. [2022-11-22 01:54:08,053 INFO L78 Accepts]: Start accepts. Automaton has 5224 states and 7206 transitions. Word has length 217 [2022-11-22 01:54:08,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:54:08,054 INFO L495 AbstractCegarLoop]: Abstraction has 5224 states and 7206 transitions. [2022-11-22 01:54:08,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 4 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-22 01:54:08,055 INFO L276 IsEmpty]: Start isEmpty. Operand 5224 states and 7206 transitions. [2022-11-22 01:54:08,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-11-22 01:54:08,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:54:08,058 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:54:08,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:54:08,059 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:54:08,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:54:08,059 INFO L85 PathProgramCache]: Analyzing trace with hash 641816684, now seen corresponding path program 1 times [2022-11-22 01:54:08,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:54:08,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785899183] [2022-11-22 01:54:08,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:54:08,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:54:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:54:08,461 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-22 01:54:08,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:54:08,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785899183] [2022-11-22 01:54:08,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785899183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:54:08,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:54:08,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:54:08,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952292136] [2022-11-22 01:54:08,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:54:08,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:54:08,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:54:08,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:54:08,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:54:08,464 INFO L87 Difference]: Start difference. First operand 5224 states and 7206 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 01:54:10,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:13,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:54:13,120 INFO L93 Difference]: Finished difference Result 5226 states and 7207 transitions. [2022-11-22 01:54:13,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:54:13,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 218 [2022-11-22 01:54:13,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:54:13,147 INFO L225 Difference]: With dead ends: 5226 [2022-11-22 01:54:13,148 INFO L226 Difference]: Without dead ends: 5223 [2022-11-22 01:54:13,151 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:54:13,151 INFO L413 NwaCegarLoop]: 774 mSDtfsCounter, 851 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:54:13,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 774 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-22 01:54:13,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5223 states. [2022-11-22 01:54:13,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5223 to 5223. [2022-11-22 01:54:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5223 states, 3238 states have (on average 1.3468190240889437) internal successors, (4361), 3436 states have internal predecessors, (4361), 1396 states have call successors, (1396), 631 states have call predecessors, (1396), 588 states have return successors, (1446), 1273 states have call predecessors, (1446), 1386 states have call successors, (1446) [2022-11-22 01:54:13,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 5223 states and 7203 transitions. [2022-11-22 01:54:13,514 INFO L78 Accepts]: Start accepts. Automaton has 5223 states and 7203 transitions. Word has length 218 [2022-11-22 01:54:13,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:54:13,515 INFO L495 AbstractCegarLoop]: Abstraction has 5223 states and 7203 transitions. [2022-11-22 01:54:13,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 01:54:13,516 INFO L276 IsEmpty]: Start isEmpty. Operand 5223 states and 7203 transitions. [2022-11-22 01:54:13,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-11-22 01:54:13,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:54:13,520 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:54:13,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:54:13,521 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:54:13,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:54:13,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1578771442, now seen corresponding path program 1 times [2022-11-22 01:54:13,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:54:13,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066007105] [2022-11-22 01:54:13,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:54:13,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:54:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:54:13,860 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-22 01:54:13,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:54:13,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066007105] [2022-11-22 01:54:13,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066007105] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:54:13,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:54:13,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:54:13,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686905617] [2022-11-22 01:54:13,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:54:13,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:54:13,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:54:13,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:54:13,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:54:13,900 INFO L87 Difference]: Start difference. First operand 5223 states and 7203 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 01:54:15,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:19,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:54:21,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:22,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:54:22,469 INFO L93 Difference]: Finished difference Result 5421 states and 7452 transitions. [2022-11-22 01:54:22,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:54:22,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 219 [2022-11-22 01:54:22,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:54:22,495 INFO L225 Difference]: With dead ends: 5421 [2022-11-22 01:54:22,496 INFO L226 Difference]: Without dead ends: 5418 [2022-11-22 01:54:22,498 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:54:22,499 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 846 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:54:22,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 825 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 8.3s Time] [2022-11-22 01:54:22,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5418 states. [2022-11-22 01:54:22,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5418 to 5406. [2022-11-22 01:54:22,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5406 states, 3346 states have (on average 1.3410041841004183) internal successors, (4487), 3551 states have internal predecessors, (4487), 1435 states have call successors, (1435), 659 states have call predecessors, (1435), 624 states have return successors, (1506), 1313 states have call predecessors, (1506), 1426 states have call successors, (1506) [2022-11-22 01:54:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5406 states to 5406 states and 7428 transitions. [2022-11-22 01:54:22,907 INFO L78 Accepts]: Start accepts. Automaton has 5406 states and 7428 transitions. Word has length 219 [2022-11-22 01:54:22,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:54:22,909 INFO L495 AbstractCegarLoop]: Abstraction has 5406 states and 7428 transitions. [2022-11-22 01:54:22,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 01:54:22,910 INFO L276 IsEmpty]: Start isEmpty. Operand 5406 states and 7428 transitions. [2022-11-22 01:54:22,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-22 01:54:22,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:54:22,913 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:54:22,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:54:22,914 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:54:22,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:54:22,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1697521745, now seen corresponding path program 1 times [2022-11-22 01:54:22,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:54:22,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021744874] [2022-11-22 01:54:22,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:54:22,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:54:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:54:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-22 01:54:23,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:54:23,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021744874] [2022-11-22 01:54:23,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021744874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:54:23,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:54:23,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:54:23,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919771848] [2022-11-22 01:54:23,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:54:23,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:54:23,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:54:23,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:54:23,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:54:23,323 INFO L87 Difference]: Start difference. First operand 5406 states and 7428 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 01:54:25,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:28,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:28,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:54:28,984 INFO L93 Difference]: Finished difference Result 5408 states and 7429 transitions. [2022-11-22 01:54:28,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:54:28,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 220 [2022-11-22 01:54:28,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:54:29,014 INFO L225 Difference]: With dead ends: 5408 [2022-11-22 01:54:29,014 INFO L226 Difference]: Without dead ends: 5371 [2022-11-22 01:54:29,021 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:54:29,022 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 845 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:54:29,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 770 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-22 01:54:29,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5371 states. [2022-11-22 01:54:29,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5371 to 5369. [2022-11-22 01:54:29,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5369 states, 3325 states have (on average 1.3401503759398496) internal successors, (4456), 3529 states have internal predecessors, (4456), 1426 states have call successors, (1426), 653 states have call predecessors, (1426), 617 states have return successors, (1486), 1303 states have call predecessors, (1486), 1406 states have call successors, (1486) [2022-11-22 01:54:29,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5369 states to 5369 states and 7368 transitions. [2022-11-22 01:54:29,429 INFO L78 Accepts]: Start accepts. Automaton has 5369 states and 7368 transitions. Word has length 220 [2022-11-22 01:54:29,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:54:29,429 INFO L495 AbstractCegarLoop]: Abstraction has 5369 states and 7368 transitions. [2022-11-22 01:54:29,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-22 01:54:29,430 INFO L276 IsEmpty]: Start isEmpty. Operand 5369 states and 7368 transitions. [2022-11-22 01:54:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-11-22 01:54:29,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:54:29,434 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:54:29,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:54:29,435 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:54:29,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:54:29,436 INFO L85 PathProgramCache]: Analyzing trace with hash -2130811945, now seen corresponding path program 1 times [2022-11-22 01:54:29,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:54:29,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187484784] [2022-11-22 01:54:29,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:54:29,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:54:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:54:29,932 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2022-11-22 01:54:29,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:54:29,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187484784] [2022-11-22 01:54:29,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187484784] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:54:29,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:54:29,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:54:29,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847878984] [2022-11-22 01:54:29,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:54:29,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:54:29,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:54:29,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:54:29,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:54:29,935 INFO L87 Difference]: Start difference. First operand 5369 states and 7368 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 01:54:31,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:34,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:37,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:38,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:38,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:54:38,834 INFO L93 Difference]: Finished difference Result 5575 states and 7570 transitions. [2022-11-22 01:54:38,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:54:38,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 226 [2022-11-22 01:54:38,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:54:38,859 INFO L225 Difference]: With dead ends: 5575 [2022-11-22 01:54:38,859 INFO L226 Difference]: Without dead ends: 5341 [2022-11-22 01:54:38,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:54:38,865 INFO L413 NwaCegarLoop]: 766 mSDtfsCounter, 52 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:54:38,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1482 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 263 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-11-22 01:54:38,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5341 states. [2022-11-22 01:54:39,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5341 to 5308. [2022-11-22 01:54:39,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5308 states, 3305 states have (on average 1.3367624810892587) internal successors, (4418), 3484 states have internal predecessors, (4418), 1383 states have call successors, (1383), 660 states have call predecessors, (1383), 619 states have return successors, (1446), 1274 states have call predecessors, (1446), 1366 states have call successors, (1446) [2022-11-22 01:54:39,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5308 states to 5308 states and 7247 transitions. [2022-11-22 01:54:39,348 INFO L78 Accepts]: Start accepts. Automaton has 5308 states and 7247 transitions. Word has length 226 [2022-11-22 01:54:39,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:54:39,348 INFO L495 AbstractCegarLoop]: Abstraction has 5308 states and 7247 transitions. [2022-11-22 01:54:39,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (30), 3 states have call predecessors, (30), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-22 01:54:39,349 INFO L276 IsEmpty]: Start isEmpty. Operand 5308 states and 7247 transitions. [2022-11-22 01:54:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-22 01:54:39,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:54:39,356 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:54:39,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:54:39,357 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:54:39,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:54:39,357 INFO L85 PathProgramCache]: Analyzing trace with hash -509699945, now seen corresponding path program 1 times [2022-11-22 01:54:39,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:54:39,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225583389] [2022-11-22 01:54:39,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:54:39,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:54:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:54:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-22 01:54:39,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:54:39,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225583389] [2022-11-22 01:54:39,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225583389] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:54:39,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:54:39,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:54:39,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101304867] [2022-11-22 01:54:39,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:54:39,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:54:39,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:54:39,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:54:39,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:54:39,762 INFO L87 Difference]: Start difference. First operand 5308 states and 7247 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 01:54:41,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:46,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:49,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:54:51,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:54:52,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:54:52,463 INFO L93 Difference]: Finished difference Result 13426 states and 18422 transitions. [2022-11-22 01:54:52,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:54:52,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 252 [2022-11-22 01:54:52,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:54:52,506 INFO L225 Difference]: With dead ends: 13426 [2022-11-22 01:54:52,507 INFO L226 Difference]: Without dead ends: 8123 [2022-11-22 01:54:52,530 INFO L412 NwaCegarLoop]: 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 [2022-11-22 01:54:52,532 INFO L413 NwaCegarLoop]: 1241 mSDtfsCounter, 752 mSDsluCounter, 745 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 8 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 1986 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:54:52,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 1986 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 353 Invalid, 4 Unknown, 0 Unchecked, 12.2s Time] [2022-11-22 01:54:52,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8123 states. [2022-11-22 01:54:53,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8123 to 8008. [2022-11-22 01:54:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8008 states, 5026 states have (on average 1.349184241941902) internal successors, (6781), 5318 states have internal predecessors, (6781), 2055 states have call successors, (2055), 984 states have call predecessors, (2055), 926 states have return successors, (2168), 1889 states have call predecessors, (2168), 2035 states have call successors, (2168) [2022-11-22 01:54:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8008 states to 8008 states and 11004 transitions. [2022-11-22 01:54:53,236 INFO L78 Accepts]: Start accepts. Automaton has 8008 states and 11004 transitions. Word has length 252 [2022-11-22 01:54:53,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:54:53,236 INFO L495 AbstractCegarLoop]: Abstraction has 8008 states and 11004 transitions. [2022-11-22 01:54:53,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 01:54:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 8008 states and 11004 transitions. [2022-11-22 01:54:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-11-22 01:54:53,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:54:53,244 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:54:53,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:54:53,245 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:54:53,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:54:53,246 INFO L85 PathProgramCache]: Analyzing trace with hash -867739844, now seen corresponding path program 1 times [2022-11-22 01:54:53,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:54:53,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991476572] [2022-11-22 01:54:53,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:54:53,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:54:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:54:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2022-11-22 01:54:53,967 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:54:53,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991476572] [2022-11-22 01:54:53,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991476572] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:54:53,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101423081] [2022-11-22 01:54:53,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:54:53,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:54:53,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:54:53,974 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:54:54,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:54:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:54:55,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 2831 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-22 01:54:55,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:54:55,288 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 84 proven. 6 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2022-11-22 01:54:55,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:54:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2022-11-22 01:54:55,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101423081] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-22 01:54:55,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-22 01:54:55,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 5 [2022-11-22 01:54:55,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521314386] [2022-11-22 01:54:55,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:54:55,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:54:55,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:54:55,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:54:55,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:54:55,603 INFO L87 Difference]: Start difference. First operand 8008 states and 11004 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 01:54:57,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:02,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:03,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:55:03,754 INFO L93 Difference]: Finished difference Result 18908 states and 26022 transitions. [2022-11-22 01:55:03,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:55:03,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 260 [2022-11-22 01:55:03,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:55:03,794 INFO L225 Difference]: With dead ends: 18908 [2022-11-22 01:55:03,794 INFO L226 Difference]: Without dead ends: 10931 [2022-11-22 01:55:03,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:55:03,821 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 814 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:55:03,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 1646 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 277 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-11-22 01:55:03,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10931 states. [2022-11-22 01:55:04,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10931 to 10903. [2022-11-22 01:55:04,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10903 states, 6874 states have (on average 1.3574338085539714) internal successors, (9331), 7273 states have internal predecessors, (9331), 2777 states have call successors, (2777), 1327 states have call predecessors, (2777), 1251 states have return successors, (2905), 2559 states have call predecessors, (2905), 2751 states have call successors, (2905) [2022-11-22 01:55:04,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10903 states to 10903 states and 15013 transitions. [2022-11-22 01:55:04,786 INFO L78 Accepts]: Start accepts. Automaton has 10903 states and 15013 transitions. Word has length 260 [2022-11-22 01:55:04,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:55:04,786 INFO L495 AbstractCegarLoop]: Abstraction has 10903 states and 15013 transitions. [2022-11-22 01:55:04,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-22 01:55:04,787 INFO L276 IsEmpty]: Start isEmpty. Operand 10903 states and 15013 transitions. [2022-11-22 01:55:04,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-22 01:55:04,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:55:04,797 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:55:04,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-22 01:55:05,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-22 01:55:05,014 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:55:05,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:55:05,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1381403275, now seen corresponding path program 1 times [2022-11-22 01:55:05,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:55:05,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941568674] [2022-11-22 01:55:05,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:55:05,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:55:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:55:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2022-11-22 01:55:05,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:55:05,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941568674] [2022-11-22 01:55:05,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941568674] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:55:05,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:55:05,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:55:05,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509115877] [2022-11-22 01:55:05,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:55:05,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:55:05,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:55:05,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:55:05,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:55:05,510 INFO L87 Difference]: Start difference. First operand 10903 states and 15013 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-22 01:55:07,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:10,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:13,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:55:15,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:55:18,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:19,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:55:19,748 INFO L93 Difference]: Finished difference Result 23463 states and 32605 transitions. [2022-11-22 01:55:19,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:55:19,749 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 286 [2022-11-22 01:55:19,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:55:19,804 INFO L225 Difference]: With dead ends: 23463 [2022-11-22 01:55:19,805 INFO L226 Difference]: Without dead ends: 12607 [2022-11-22 01:55:19,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:55:19,843 INFO L413 NwaCegarLoop]: 1007 mSDtfsCounter, 1188 mSDsluCounter, 1156 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 95 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1191 SdHoareTripleChecker+Valid, 2163 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:55:19,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1191 Valid, 2163 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 450 Invalid, 3 Unknown, 0 Unchecked, 13.3s Time] [2022-11-22 01:55:19,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12607 states. [2022-11-22 01:55:20,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12607 to 11093. [2022-11-22 01:55:20,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11093 states, 6982 states have (on average 1.354912632483529) internal successors, (9460), 7395 states have internal predecessors, (9460), 2822 states have call successors, (2822), 1363 states have call predecessors, (2822), 1288 states have return successors, (2951), 2597 states have call predecessors, (2951), 2796 states have call successors, (2951) [2022-11-22 01:55:20,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11093 states to 11093 states and 15233 transitions. [2022-11-22 01:55:20,970 INFO L78 Accepts]: Start accepts. Automaton has 11093 states and 15233 transitions. Word has length 286 [2022-11-22 01:55:20,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:55:20,971 INFO L495 AbstractCegarLoop]: Abstraction has 11093 states and 15233 transitions. [2022-11-22 01:55:20,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (38), 2 states have call predecessors, (38), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-22 01:55:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 11093 states and 15233 transitions. [2022-11-22 01:55:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-11-22 01:55:20,986 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:55:20,986 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:55:20,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 01:55:20,987 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:55:20,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:55:20,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1954425656, now seen corresponding path program 1 times [2022-11-22 01:55:20,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:55:20,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492958806] [2022-11-22 01:55:20,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:55:20,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:55:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:55:23,008 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-11-22 01:55:23,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:55:23,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492958806] [2022-11-22 01:55:23,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492958806] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:55:23,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:55:23,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-22 01:55:23,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366893348] [2022-11-22 01:55:23,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:55:23,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 01:55:23,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:55:23,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 01:55:23,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-22 01:55:23,012 INFO L87 Difference]: Start difference. First operand 11093 states and 15233 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-22 01:55:25,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:29,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:32,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:34,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:36,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:38,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:46,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:55:46,089 INFO L93 Difference]: Finished difference Result 17159 states and 23975 transitions. [2022-11-22 01:55:46,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-22 01:55:46,090 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 286 [2022-11-22 01:55:46,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:55:46,165 INFO L225 Difference]: With dead ends: 17159 [2022-11-22 01:55:46,165 INFO L226 Difference]: Without dead ends: 17120 [2022-11-22 01:55:46,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:55:46,176 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 2382 mSDsluCounter, 2064 mSDsCounter, 0 mSdLazyCounter, 3340 mSolverCounterSat, 1315 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2537 SdHoareTripleChecker+Valid, 2562 SdHoareTripleChecker+Invalid, 4659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1315 IncrementalHoareTripleChecker+Valid, 3340 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:55:46,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2537 Valid, 2562 Invalid, 4659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1315 Valid, 3340 Invalid, 4 Unknown, 0 Unchecked, 22.0s Time] [2022-11-22 01:55:46,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17120 states. [2022-11-22 01:55:47,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17120 to 15619. [2022-11-22 01:55:47,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15619 states, 9900 states have (on average 1.3622222222222222) internal successors, (13486), 10488 states have internal predecessors, (13486), 3904 states have call successors, (3904), 1883 states have call predecessors, (3904), 1814 states have return successors, (4091), 3625 states have call predecessors, (4091), 3878 states have call successors, (4091) [2022-11-22 01:55:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15619 states to 15619 states and 21481 transitions. [2022-11-22 01:55:47,369 INFO L78 Accepts]: Start accepts. Automaton has 15619 states and 21481 transitions. Word has length 286 [2022-11-22 01:55:47,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:55:47,370 INFO L495 AbstractCegarLoop]: Abstraction has 15619 states and 21481 transitions. [2022-11-22 01:55:47,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 4 states have call successors, (35), 4 states have call predecessors, (35), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-22 01:55:47,371 INFO L276 IsEmpty]: Start isEmpty. Operand 15619 states and 21481 transitions. [2022-11-22 01:55:47,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-22 01:55:47,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:55:47,385 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:55:47,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-22 01:55:47,385 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:55:47,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:55:47,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1663098773, now seen corresponding path program 1 times [2022-11-22 01:55:47,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:55:47,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16247959] [2022-11-22 01:55:47,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:55:47,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:55:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:55:48,739 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2022-11-22 01:55:48,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:55:48,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16247959] [2022-11-22 01:55:48,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16247959] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:55:48,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190654456] [2022-11-22 01:55:48,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:55:48,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:55:48,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:55:48,743 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:55:48,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:55:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:55:50,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 3083 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-22 01:55:50,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:55:50,278 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2022-11-22 01:55:50,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:55:50,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190654456] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:55:50,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:55:50,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-22 01:55:50,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150030936] [2022-11-22 01:55:50,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:55:50,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:55:50,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:55:50,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:55:50,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-22 01:55:50,282 INFO L87 Difference]: Start difference. First operand 15619 states and 21481 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-22 01:55:52,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:55:58,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:56:01,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:56:02,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:56:02,983 INFO L93 Difference]: Finished difference Result 31820 states and 44001 transitions. [2022-11-22 01:56:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:56:02,984 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 287 [2022-11-22 01:56:02,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:56:03,166 INFO L225 Difference]: With dead ends: 31820 [2022-11-22 01:56:03,166 INFO L226 Difference]: Without dead ends: 15885 [2022-11-22 01:56:03,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-22 01:56:03,222 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 74 mSDsluCounter, 1480 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 25 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 2259 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:56:03,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 2259 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 398 Invalid, 3 Unknown, 0 Unchecked, 11.4s Time] [2022-11-22 01:56:03,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15885 states. [2022-11-22 01:56:04,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15885 to 15873. [2022-11-22 01:56:04,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15873 states, 10059 states have (on average 1.3596779003877124) internal successors, (13677), 10673 states have internal predecessors, (13677), 3991 states have call successors, (3991), 1889 states have call predecessors, (3991), 1822 states have return successors, (4175), 3706 states have call predecessors, (4175), 3962 states have call successors, (4175) [2022-11-22 01:56:04,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15873 states to 15873 states and 21843 transitions. [2022-11-22 01:56:04,523 INFO L78 Accepts]: Start accepts. Automaton has 15873 states and 21843 transitions. Word has length 287 [2022-11-22 01:56:04,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:56:04,523 INFO L495 AbstractCegarLoop]: Abstraction has 15873 states and 21843 transitions. [2022-11-22 01:56:04,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 3 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-22 01:56:04,523 INFO L276 IsEmpty]: Start isEmpty. Operand 15873 states and 21843 transitions. [2022-11-22 01:56:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-11-22 01:56:04,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:56:04,540 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:56:04,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:56:04,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-22 01:56:04,752 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:56:04,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:56:04,753 INFO L85 PathProgramCache]: Analyzing trace with hash 2032179541, now seen corresponding path program 1 times [2022-11-22 01:56:04,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:56:04,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687237533] [2022-11-22 01:56:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:56:04,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:56:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:56:05,894 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 597 trivial. 0 not checked. [2022-11-22 01:56:05,895 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:56:05,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687237533] [2022-11-22 01:56:05,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687237533] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:56:05,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020120493] [2022-11-22 01:56:05,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:56:05,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:56:05,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:56:05,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:56:05,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:56:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:56:08,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 3082 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 01:56:08,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:56:08,418 INFO L134 CoverageAnalysis]: Checked inductivity of 639 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2022-11-22 01:56:08,419 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:56:08,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020120493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:56:08,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:56:08,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 8 [2022-11-22 01:56:08,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003157523] [2022-11-22 01:56:08,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:56:08,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:56:08,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:56:08,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:56:08,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:56:08,421 INFO L87 Difference]: Start difference. First operand 15873 states and 21843 transitions. Second operand has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-22 01:56:10,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:56:14,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:56:16,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:56:19,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:56:21,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:56:23,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:56:23,655 INFO L93 Difference]: Finished difference Result 31770 states and 43915 transitions. [2022-11-22 01:56:23,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:56:23,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 287 [2022-11-22 01:56:23,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:56:23,711 INFO L225 Difference]: With dead ends: 31770 [2022-11-22 01:56:23,711 INFO L226 Difference]: Without dead ends: 15898 [2022-11-22 01:56:23,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-22 01:56:23,755 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 3 mSDsluCounter, 2998 mSDsCounter, 0 mSdLazyCounter, 717 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 3754 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 717 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:56:23,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 3754 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 717 Invalid, 1 Unknown, 0 Unchecked, 14.2s Time] [2022-11-22 01:56:23,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15898 states. [2022-11-22 01:56:25,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15898 to 15898. [2022-11-22 01:56:25,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15898 states, 10084 states have (on average 1.3587861959539864) internal successors, (13702), 10698 states have internal predecessors, (13702), 3991 states have call successors, (3991), 1889 states have call predecessors, (3991), 1822 states have return successors, (4175), 3706 states have call predecessors, (4175), 3962 states have call successors, (4175) [2022-11-22 01:56:25,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15898 states to 15898 states and 21868 transitions. [2022-11-22 01:56:25,218 INFO L78 Accepts]: Start accepts. Automaton has 15898 states and 21868 transitions. Word has length 287 [2022-11-22 01:56:25,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:56:25,219 INFO L495 AbstractCegarLoop]: Abstraction has 15898 states and 21868 transitions. [2022-11-22 01:56:25,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 22.5) internal successors, (90), 6 states have internal predecessors, (90), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-22 01:56:25,219 INFO L276 IsEmpty]: Start isEmpty. Operand 15898 states and 21868 transitions. [2022-11-22 01:56:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-11-22 01:56:25,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:56:25,230 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:56:25,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 01:56:25,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-22 01:56:25,444 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 01:56:25,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:56:25,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1980393857, now seen corresponding path program 1 times [2022-11-22 01:56:25,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:56:25,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467637136] [2022-11-22 01:56:25,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:56:25,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:56:25,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:56:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 2 proven. 65 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-11-22 01:56:26,734 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:56:26,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467637136] [2022-11-22 01:56:26,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467637136] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:56:26,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670592497] [2022-11-22 01:56:26,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:56:26,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:56:26,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:56:26,739 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:56:26,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c8b096e-1acc-463d-98de-a3f9146ae041/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:56:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:56:29,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 3217 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-22 01:56:29,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:56:29,196 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 160 proven. 1 refuted. 0 times theorem prover too weak. 595 trivial. 0 not checked. [2022-11-22 01:56:29,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:56:29,800 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 2 proven. 65 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2022-11-22 01:56:29,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670592497] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:56:29,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [953790320] [2022-11-22 01:56:29,833 INFO L159 IcfgInterpreter]: Started Sifa with 127 locations of interest [2022-11-22 01:56:29,833 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:56:29,838 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:56:29,843 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:56:29,844 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:56:32,053 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 85 [2022-11-22 01:56:32,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-22 01:56:32,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-22 01:56:32,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-22 01:56:32,377 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 85 [2022-11-22 01:56:32,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-22 01:56:32,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-22 01:56:32,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 84 [2022-11-22 01:56:32,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-22 01:56:32,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-22 01:56:32,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-22 01:56:32,877 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 15 [2022-11-22 01:56:32,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 37 [2022-11-22 01:56:33,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-22 01:56:33,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:33,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-22 01:56:33,233 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-22 01:56:33,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:33,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 65 [2022-11-22 01:56:33,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:33,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:33,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 63 [2022-11-22 01:56:33,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:33,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 58 [2022-11-22 01:56:33,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-22 01:56:33,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:56:34,002 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:56:34,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:34,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:34,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:34,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-22 01:56:34,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:34,438 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 63 [2022-11-22 01:56:34,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2022-11-22 01:56:34,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:34,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:34,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-22 01:56:35,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:35,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:35,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:35,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:35,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:35,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:35,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:35,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:35,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:56:35,464 INFO L217 Elim1Store]: Index analysis took 455 ms [2022-11-22 01:56:51,555 WARN L233 SmtUtils]: Spent 16.06s on a formula simplification. DAG size of input: 1101 DAG size of output: 440 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:56:51,559 INFO L321 Elim1Store]: treesize reduction 6221, result has 14.0 percent of original size [2022-11-22 01:56:51,560 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 29 select indices, 29 select index equivalence classes, 424 disjoint index pairs (out of 406 index pairs), introduced 29 new quantified variables, introduced 36 case distinctions, treesize of input 176 treesize of output 1113 [2022-11-22 01:56:52,514 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-22 01:56:52,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:52,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-22 01:56:53,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-22 01:56:53,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-22 01:56:53,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-22 01:56:53,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 63 [2022-11-22 01:56:53,723 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:53,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:54,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:54,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:54,384 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:54,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-22 01:56:54,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:56:54,961 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:56:55,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:56:55,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:56:55,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 64 [2022-11-22 01:56:55,587 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:55,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:55,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:56,041 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:56,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:56,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:56,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-22 01:56:56,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:56:56,908 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:56:57,059 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:56:57,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:56:57,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 64 [2022-11-22 01:56:57,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:57,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:57,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:58,017 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:58,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:58,318 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:56:58,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-22 01:56:58,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-22 01:56:59,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-22 01:56:59,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-22 01:57:00,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:01,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:01,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:01,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:01,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:02,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:02,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:02,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:02,633 INFO L217 Elim1Store]: Index analysis took 2765 ms [2022-11-22 01:57:34,823 WARN L233 SmtUtils]: Spent 32.15s on a formula simplification. DAG size of input: 1653 DAG size of output: 644 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-22 01:57:34,825 INFO L321 Elim1Store]: treesize reduction 8352, result has 12.5 percent of original size [2022-11-22 01:57:34,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 39 select indices, 39 select index equivalence classes, 453 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 332 case distinctions, treesize of input 370 treesize of output 1465 [2022-11-22 01:57:36,073 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-22 01:57:36,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:57:36,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:36,504 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 66 [2022-11-22 01:57:36,611 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:36,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 65 [2022-11-22 01:57:36,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 65 [2022-11-22 01:57:36,958 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 62 [2022-11-22 01:57:37,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:37,178 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:37,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:37,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:37,608 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-22 01:57:37,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 67 [2022-11-22 01:57:37,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:57:37,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 67 [2022-11-22 01:57:38,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:38,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:38,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:38,493 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-22 01:57:38,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 64 [2022-11-22 01:57:38,765 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:38,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 60 [2022-11-22 01:57:39,060 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:39,187 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:46,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-22 01:57:46,860 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-22 01:57:46,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-22 01:57:50,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:50,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:50,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:50,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:50,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:50,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:50,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:50,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:50,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:50,345 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 712 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 115 [2022-11-22 01:57:51,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:51,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,035 INFO L217 Elim1Store]: Index analysis took 613 ms [2022-11-22 01:57:52,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 199 select indices, 199 select index equivalence classes, 13137 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 1742 treesize of output 598 [2022-11-22 01:57:52,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:57:52,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 741 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 118 [2022-11-22 01:58:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:02,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:02,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:02,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:02,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:02,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:02,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:02,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:02,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:02,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 712 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 191 treesize of output 115 [2022-11-22 01:58:03,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:03,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,225 INFO L217 Elim1Store]: Index analysis took 553 ms [2022-11-22 01:58:04,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 199 select indices, 199 select index equivalence classes, 13137 disjoint index pairs (out of 19701 index pairs), introduced 199 new quantified variables, introduced 0 case distinctions, treesize of input 1742 treesize of output 598 [2022-11-22 01:58:04,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 01:58:04,874 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 741 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 118 [2022-11-22 01:59:13,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:59:13,708 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:59:14,222 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 01:59:15,241 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:15,262 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:15,309 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:47,697 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 01:59:48,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:59:48,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:59:49,301 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:49,337 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:49,376 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 01:59:56,875 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 01:59:57,016 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 01:59:57,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:00:00,326 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:00:00,929 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:00:01,167 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:01:20,339 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:01:20,460 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:01:20,577 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:01:22,139 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:01:22,145 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:01:22,151 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:02:51,599 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:02:52,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:02:52,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:02:53,458 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:02:53,504 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:02:53,515 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:03:01,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:01,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:03:01,898 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:05,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:05,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:03:06,203 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:13,841 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:03:14,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:14,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:18,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:03:18,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:03:18,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:05:16,884 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-22 02:05:16,992 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:05:17,201 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-22 02:05:18,625 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:05:18,630 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 02:05:18,650 WARN L207 Elim1Store]: Array PQE input equivalent to false