./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:25:33,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:25:33,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:25:33,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:25:33,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:25:33,642 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:25:33,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:25:33,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:25:33,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:25:33,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:25:33,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:25:33,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:25:33,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:25:33,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:25:33,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:25:33,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:25:33,662 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:25:33,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:25:33,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:25:33,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:25:33,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:25:33,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:25:33,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:25:33,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:25:33,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:25:33,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:25:33,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:25:33,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:25:33,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:25:33,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:25:33,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:25:33,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:25:33,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:25:33,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:25:33,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:25:33,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:25:33,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:25:33,710 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:25:33,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:25:33,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:25:33,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:25:33,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2021-11-21 01:25:33,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:25:33,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:25:33,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:25:33,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:25:33,789 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:25:33,789 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:25:33,789 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:25:33,790 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:25:33,790 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:25:33,790 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:25:33,791 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:25:33,792 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:25:33,792 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:25:33,792 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:25:33,793 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:25:33,793 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:25:33,793 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:25:33,793 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:25:33,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 01:25:33,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 01:25:33,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:25:33,795 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 01:25:33,795 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:25:33,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:25:33,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 01:25:33,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:25:33,799 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 01:25:33,799 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 01:25:33,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:25:33,800 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 01:25:33,800 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 01:25:33,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:25:33,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:25:33,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:25:33,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:25:33,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:25:33,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:25:33,802 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:25:33,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:25:33,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:25:33,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:25:33,803 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb [2021-11-21 01:25:34,115 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:25:34,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:25:34,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:25:34,143 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:25:34,144 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:25:34,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2021-11-21 01:25:34,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/data/76c5ec66f/6827528ba06f466d9975d128b66ecde8/FLAG683b5f71f [2021-11-21 01:25:34,784 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:25:34,785 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2021-11-21 01:25:34,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/data/76c5ec66f/6827528ba06f466d9975d128b66ecde8/FLAG683b5f71f [2021-11-21 01:25:35,099 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/data/76c5ec66f/6827528ba06f466d9975d128b66ecde8 [2021-11-21 01:25:35,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:25:35,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:25:35,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:25:35,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:25:35,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:25:35,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:25:35" (1/1) ... [2021-11-21 01:25:35,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6e433f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35, skipping insertion in model container [2021-11-21 01:25:35,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:25:35" (1/1) ... [2021-11-21 01:25:35,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:25:35,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:25:35,592 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-11-21 01:25:35,596 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-11-21 01:25:35,597 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-11-21 01:25:35,599 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-11-21 01:25:35,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:25:35,614 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:25:35,657 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-11-21 01:25:35,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-11-21 01:25:35,660 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-11-21 01:25:35,661 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-11-21 01:25:35,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:25:35,709 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:25:35,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35 WrapperNode [2021-11-21 01:25:35,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:25:35,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:25:35,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:25:35,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:25:35,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35" (1/1) ... [2021-11-21 01:25:35,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35" (1/1) ... [2021-11-21 01:25:35,801 INFO L137 Inliner]: procedures = 119, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 134 [2021-11-21 01:25:35,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:25:35,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:25:35,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:25:35,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:25:35,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35" (1/1) ... [2021-11-21 01:25:35,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35" (1/1) ... [2021-11-21 01:25:35,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35" (1/1) ... [2021-11-21 01:25:35,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35" (1/1) ... [2021-11-21 01:25:35,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35" (1/1) ... [2021-11-21 01:25:35,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35" (1/1) ... [2021-11-21 01:25:35,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35" (1/1) ... [2021-11-21 01:25:35,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:25:35,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:25:35,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:25:35,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:25:35,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35" (1/1) ... [2021-11-21 01:25:35,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:25:35,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:25:35,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:25:35,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:25:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:25:35,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:25:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:25:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:25:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:25:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:25:35,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:25:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:25:35,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:25:35,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:25:36,031 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:25:36,032 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:25:36,380 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:25:36,477 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:25:36,480 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-21 01:25:36,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:25:36 BoogieIcfgContainer [2021-11-21 01:25:36,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:25:36,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:25:36,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:25:36,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:25:36,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:25:35" (1/3) ... [2021-11-21 01:25:36,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5927574e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:25:36, skipping insertion in model container [2021-11-21 01:25:36,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:25:35" (2/3) ... [2021-11-21 01:25:36,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5927574e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:25:36, skipping insertion in model container [2021-11-21 01:25:36,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:25:36" (3/3) ... [2021-11-21 01:25:36,495 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-rb-sentinel-2.i [2021-11-21 01:25:36,500 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:25:36,501 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 61 error locations. [2021-11-21 01:25:36,543 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:25:36,550 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 01:25:36,551 INFO L340 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2021-11-21 01:25:36,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 56 states have (on average 2.4285714285714284) internal successors, (136), 117 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:36,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-21 01:25:36,592 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:36,593 INFO L514 BasicCegarLoop]: trace histogram [1, 1] [2021-11-21 01:25:36,594 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:36,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:36,600 INFO L85 PathProgramCache]: Analyzing trace with hash 8374, now seen corresponding path program 1 times [2021-11-21 01:25:36,607 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:36,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279195883] [2021-11-21 01:25:36,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:36,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:36,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:36,772 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:36,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279195883] [2021-11-21 01:25:36,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279195883] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:36,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:36,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 01:25:36,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431358211] [2021-11-21 01:25:36,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:36,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:25:36,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:36,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:25:36,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:25:36,811 INFO L87 Difference]: Start difference. First operand has 118 states, 56 states have (on average 2.4285714285714284) internal successors, (136), 117 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:36,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:36,961 INFO L93 Difference]: Finished difference Result 144 states and 151 transitions. [2021-11-21 01:25:36,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:25:36,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-11-21 01:25:36,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:36,978 INFO L225 Difference]: With dead ends: 144 [2021-11-21 01:25:36,978 INFO L226 Difference]: Without dead ends: 143 [2021-11-21 01:25:36,980 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:25:36,985 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 102 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:36,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 80 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:25:37,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-11-21 01:25:37,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 119. [2021-11-21 01:25:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 60 states have (on average 2.1166666666666667) internal successors, (127), 118 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:37,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 127 transitions. [2021-11-21 01:25:37,054 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 127 transitions. Word has length 2 [2021-11-21 01:25:37,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:37,054 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 127 transitions. [2021-11-21 01:25:37,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:37,055 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 127 transitions. [2021-11-21 01:25:37,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-21 01:25:37,055 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:37,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1] [2021-11-21 01:25:37,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:25:37,056 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:37,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:37,061 INFO L85 PathProgramCache]: Analyzing trace with hash 8375, now seen corresponding path program 1 times [2021-11-21 01:25:37,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:37,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611845696] [2021-11-21 01:25:37,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:37,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:37,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:37,145 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:37,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611845696] [2021-11-21 01:25:37,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611845696] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:37,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:37,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 01:25:37,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421126867] [2021-11-21 01:25:37,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:37,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:25:37,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:37,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:25:37,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:25:37,154 INFO L87 Difference]: Start difference. First operand 119 states and 127 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:37,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:37,286 INFO L93 Difference]: Finished difference Result 116 states and 123 transitions. [2021-11-21 01:25:37,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:25:37,287 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 2 [2021-11-21 01:25:37,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:37,289 INFO L225 Difference]: With dead ends: 116 [2021-11-21 01:25:37,289 INFO L226 Difference]: Without dead ends: 116 [2021-11-21 01:25:37,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:25:37,291 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 113 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:37,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [113 Valid, 60 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:25:37,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-21 01:25:37,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-11-21 01:25:37,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 60 states have (on average 2.05) internal successors, (123), 115 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2021-11-21 01:25:37,314 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 123 transitions. Word has length 2 [2021-11-21 01:25:37,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:37,314 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 123 transitions. [2021-11-21 01:25:37,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:37,315 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 123 transitions. [2021-11-21 01:25:37,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:25:37,315 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:37,315 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:25:37,316 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:25:37,316 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:37,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:37,317 INFO L85 PathProgramCache]: Analyzing trace with hash 8054028, now seen corresponding path program 1 times [2021-11-21 01:25:37,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:37,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388804434] [2021-11-21 01:25:37,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:37,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:37,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:37,356 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:37,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388804434] [2021-11-21 01:25:37,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388804434] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:37,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:37,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:25:37,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440402385] [2021-11-21 01:25:37,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:37,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:25:37,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:37,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:25:37,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:25:37,359 INFO L87 Difference]: Start difference. First operand 116 states and 123 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:37,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:37,450 INFO L93 Difference]: Finished difference Result 113 states and 119 transitions. [2021-11-21 01:25:37,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:25:37,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-21 01:25:37,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:37,452 INFO L225 Difference]: With dead ends: 113 [2021-11-21 01:25:37,452 INFO L226 Difference]: Without dead ends: 113 [2021-11-21 01:25:37,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:25:37,454 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 91 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:37,455 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 66 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:25:37,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-21 01:25:37,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2021-11-21 01:25:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 61 states have (on average 1.9508196721311475) internal successors, (119), 110 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:37,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 119 transitions. [2021-11-21 01:25:37,462 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 119 transitions. Word has length 4 [2021-11-21 01:25:37,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:37,462 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 119 transitions. [2021-11-21 01:25:37,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:37,462 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 119 transitions. [2021-11-21 01:25:37,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 01:25:37,463 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:37,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 01:25:37,463 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:25:37,463 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:37,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:37,464 INFO L85 PathProgramCache]: Analyzing trace with hash 8054029, now seen corresponding path program 1 times [2021-11-21 01:25:37,464 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:37,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904457114] [2021-11-21 01:25:37,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:37,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:37,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:37,550 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:37,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904457114] [2021-11-21 01:25:37,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904457114] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:37,551 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:37,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 01:25:37,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609749662] [2021-11-21 01:25:37,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:37,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 01:25:37,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:37,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 01:25:37,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:25:37,553 INFO L87 Difference]: Start difference. First operand 111 states and 119 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:37,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:37,693 INFO L93 Difference]: Finished difference Result 126 states and 132 transitions. [2021-11-21 01:25:37,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 01:25:37,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2021-11-21 01:25:37,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:37,719 INFO L225 Difference]: With dead ends: 126 [2021-11-21 01:25:37,719 INFO L226 Difference]: Without dead ends: 126 [2021-11-21 01:25:37,721 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 01:25:37,728 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 89 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:37,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 74 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:25:37,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-11-21 01:25:37,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 114. [2021-11-21 01:25:37,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 66 states have (on average 1.8484848484848484) internal successors, (122), 113 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:37,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 122 transitions. [2021-11-21 01:25:37,742 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 122 transitions. Word has length 4 [2021-11-21 01:25:37,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:37,742 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 122 transitions. [2021-11-21 01:25:37,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:37,742 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 122 transitions. [2021-11-21 01:25:37,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:25:37,743 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:37,743 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:25:37,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:25:37,743 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:37,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:37,747 INFO L85 PathProgramCache]: Analyzing trace with hash -812908213, now seen corresponding path program 1 times [2021-11-21 01:25:37,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:37,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465057323] [2021-11-21 01:25:37,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:37,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:37,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:37,864 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:37,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465057323] [2021-11-21 01:25:37,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465057323] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:37,866 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:37,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 01:25:37,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070721201] [2021-11-21 01:25:37,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:37,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:25:37,867 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:37,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:25:37,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 01:25:37,872 INFO L87 Difference]: Start difference. First operand 114 states and 122 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:38,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:38,029 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2021-11-21 01:25:38,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:25:38,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 01:25:38,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:38,031 INFO L225 Difference]: With dead ends: 116 [2021-11-21 01:25:38,032 INFO L226 Difference]: Without dead ends: 116 [2021-11-21 01:25:38,033 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:25:38,038 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 132 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:38,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 59 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:25:38,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-21 01:25:38,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 105. [2021-11-21 01:25:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 68 states have (on average 1.6911764705882353) internal successors, (115), 104 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:38,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 115 transitions. [2021-11-21 01:25:38,054 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 115 transitions. Word has length 8 [2021-11-21 01:25:38,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:38,054 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 115 transitions. [2021-11-21 01:25:38,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:38,055 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 115 transitions. [2021-11-21 01:25:38,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 01:25:38,055 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:38,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:25:38,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 01:25:38,056 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:38,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:38,056 INFO L85 PathProgramCache]: Analyzing trace with hash -812908212, now seen corresponding path program 1 times [2021-11-21 01:25:38,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:38,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311267945] [2021-11-21 01:25:38,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:38,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:38,211 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:38,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311267945] [2021-11-21 01:25:38,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311267945] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:38,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:38,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:25:38,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647947426] [2021-11-21 01:25:38,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:38,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 01:25:38,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:38,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 01:25:38,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:25:38,213 INFO L87 Difference]: Start difference. First operand 105 states and 115 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:38,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:38,522 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2021-11-21 01:25:38,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:25:38,522 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-21 01:25:38,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:38,524 INFO L225 Difference]: With dead ends: 135 [2021-11-21 01:25:38,524 INFO L226 Difference]: Without dead ends: 135 [2021-11-21 01:25:38,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:25:38,534 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 119 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:38,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 104 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-21 01:25:38,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-21 01:25:38,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 111. [2021-11-21 01:25:38,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 75 states have (on average 1.6266666666666667) internal successors, (122), 110 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:38,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 122 transitions. [2021-11-21 01:25:38,545 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 122 transitions. Word has length 8 [2021-11-21 01:25:38,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:38,545 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 122 transitions. [2021-11-21 01:25:38,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:38,546 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 122 transitions. [2021-11-21 01:25:38,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 01:25:38,547 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:38,547 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:25:38,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 01:25:38,548 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:38,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:38,549 INFO L85 PathProgramCache]: Analyzing trace with hash 479237399, now seen corresponding path program 1 times [2021-11-21 01:25:38,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:38,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930776943] [2021-11-21 01:25:38,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:38,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:38,638 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:38,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930776943] [2021-11-21 01:25:38,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930776943] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:38,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:38,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:25:38,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288010890] [2021-11-21 01:25:38,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:38,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:25:38,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:38,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:25:38,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:25:38,641 INFO L87 Difference]: Start difference. First operand 111 states and 122 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:38,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:38,815 INFO L93 Difference]: Finished difference Result 144 states and 154 transitions. [2021-11-21 01:25:38,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:25:38,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-21 01:25:38,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:38,818 INFO L225 Difference]: With dead ends: 144 [2021-11-21 01:25:38,818 INFO L226 Difference]: Without dead ends: 144 [2021-11-21 01:25:38,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:25:38,819 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 186 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:38,820 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 105 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:25:38,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-11-21 01:25:38,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 112. [2021-11-21 01:25:38,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 77 states have (on average 1.5974025974025974) internal successors, (123), 111 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:38,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 123 transitions. [2021-11-21 01:25:38,825 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 123 transitions. Word has length 10 [2021-11-21 01:25:38,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:38,826 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 123 transitions. [2021-11-21 01:25:38,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:38,826 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2021-11-21 01:25:38,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 01:25:38,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:38,827 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:25:38,827 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 01:25:38,828 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:38,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:38,828 INFO L85 PathProgramCache]: Analyzing trace with hash 479463659, now seen corresponding path program 1 times [2021-11-21 01:25:38,828 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:38,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342037844] [2021-11-21 01:25:38,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:38,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:38,869 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:38,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342037844] [2021-11-21 01:25:38,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342037844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:38,870 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:38,870 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:25:38,870 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352058939] [2021-11-21 01:25:38,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:38,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:25:38,871 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:38,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:25:38,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:25:38,872 INFO L87 Difference]: Start difference. First operand 112 states and 123 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:39,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:39,019 INFO L93 Difference]: Finished difference Result 111 states and 122 transitions. [2021-11-21 01:25:39,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:25:39,021 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-21 01:25:39,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:39,022 INFO L225 Difference]: With dead ends: 111 [2021-11-21 01:25:39,022 INFO L226 Difference]: Without dead ends: 111 [2021-11-21 01:25:39,023 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:25:39,024 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 36 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:39,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 158 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:25:39,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-11-21 01:25:39,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-11-21 01:25:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 77 states have (on average 1.5844155844155845) internal successors, (122), 110 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 122 transitions. [2021-11-21 01:25:39,029 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 122 transitions. Word has length 10 [2021-11-21 01:25:39,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:39,030 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 122 transitions. [2021-11-21 01:25:39,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 122 transitions. [2021-11-21 01:25:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 01:25:39,031 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:39,031 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:25:39,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 01:25:39,031 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:39,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:39,032 INFO L85 PathProgramCache]: Analyzing trace with hash 479463660, now seen corresponding path program 1 times [2021-11-21 01:25:39,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:39,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645346198] [2021-11-21 01:25:39,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:39,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:39,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:39,129 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:39,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645346198] [2021-11-21 01:25:39,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645346198] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:39,130 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:39,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:25:39,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52424356] [2021-11-21 01:25:39,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:39,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:25:39,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:39,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:25:39,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:25:39,132 INFO L87 Difference]: Start difference. First operand 111 states and 122 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:39,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:39,292 INFO L93 Difference]: Finished difference Result 111 states and 123 transitions. [2021-11-21 01:25:39,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:25:39,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-21 01:25:39,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:39,293 INFO L225 Difference]: With dead ends: 111 [2021-11-21 01:25:39,294 INFO L226 Difference]: Without dead ends: 111 [2021-11-21 01:25:39,294 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:25:39,295 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 9 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:39,295 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 199 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:25:39,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-11-21 01:25:39,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 106. [2021-11-21 01:25:39,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 77 states have (on average 1.5194805194805194) internal successors, (117), 105 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 117 transitions. [2021-11-21 01:25:39,304 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 117 transitions. Word has length 10 [2021-11-21 01:25:39,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:39,305 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 117 transitions. [2021-11-21 01:25:39,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:39,305 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2021-11-21 01:25:39,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 01:25:39,306 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:39,306 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:25:39,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 01:25:39,307 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:39,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:39,308 INFO L85 PathProgramCache]: Analyzing trace with hash 494053857, now seen corresponding path program 1 times [2021-11-21 01:25:39,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:39,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970982339] [2021-11-21 01:25:39,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:39,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:39,474 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:39,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970982339] [2021-11-21 01:25:39,475 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970982339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:39,475 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:39,475 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-21 01:25:39,475 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652995558] [2021-11-21 01:25:39,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:39,476 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 01:25:39,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:39,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 01:25:39,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-21 01:25:39,477 INFO L87 Difference]: Start difference. First operand 106 states and 117 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:39,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:39,715 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2021-11-21 01:25:39,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 01:25:39,716 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-21 01:25:39,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:39,717 INFO L225 Difference]: With dead ends: 158 [2021-11-21 01:25:39,717 INFO L226 Difference]: Without dead ends: 158 [2021-11-21 01:25:39,717 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-11-21 01:25:39,718 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 207 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:39,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [207 Valid, 170 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 01:25:39,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-11-21 01:25:39,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 113. [2021-11-21 01:25:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 84 states have (on average 1.4880952380952381) internal successors, (125), 112 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:39,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2021-11-21 01:25:39,723 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 13 [2021-11-21 01:25:39,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:39,723 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2021-11-21 01:25:39,723 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:39,727 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2021-11-21 01:25:39,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 01:25:39,728 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:39,733 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:25:39,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 01:25:39,734 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr22REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:39,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:39,735 INFO L85 PathProgramCache]: Analyzing trace with hash 947851196, now seen corresponding path program 1 times [2021-11-21 01:25:39,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:39,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589495006] [2021-11-21 01:25:39,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:39,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:39,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:39,809 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:39,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589495006] [2021-11-21 01:25:39,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589495006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:39,810 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:39,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:25:39,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596907901] [2021-11-21 01:25:39,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:39,811 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:25:39,812 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:39,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:25:39,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:25:39,813 INFO L87 Difference]: Start difference. First operand 113 states and 125 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:39,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:39,956 INFO L93 Difference]: Finished difference Result 112 states and 124 transitions. [2021-11-21 01:25:39,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:25:39,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-21 01:25:39,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:39,958 INFO L225 Difference]: With dead ends: 112 [2021-11-21 01:25:39,958 INFO L226 Difference]: Without dead ends: 112 [2021-11-21 01:25:39,958 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:25:39,959 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 30 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:39,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 154 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:25:39,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-11-21 01:25:39,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-11-21 01:25:39,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 84 states have (on average 1.4761904761904763) internal successors, (124), 111 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:39,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 124 transitions. [2021-11-21 01:25:39,964 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 124 transitions. Word has length 15 [2021-11-21 01:25:39,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:39,964 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 124 transitions. [2021-11-21 01:25:39,964 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:39,965 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2021-11-21 01:25:39,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 01:25:39,965 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:39,965 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:25:39,966 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 01:25:39,966 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:39,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:39,966 INFO L85 PathProgramCache]: Analyzing trace with hash 947851197, now seen corresponding path program 1 times [2021-11-21 01:25:39,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:39,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37773318] [2021-11-21 01:25:39,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:39,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:40,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:40,023 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:40,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37773318] [2021-11-21 01:25:40,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37773318] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:40,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:40,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 01:25:40,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169591865] [2021-11-21 01:25:40,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:40,024 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:25:40,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:40,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:25:40,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:25:40,025 INFO L87 Difference]: Start difference. First operand 112 states and 124 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:40,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:40,141 INFO L93 Difference]: Finished difference Result 109 states and 121 transitions. [2021-11-21 01:25:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:25:40,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-21 01:25:40,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:40,142 INFO L225 Difference]: With dead ends: 109 [2021-11-21 01:25:40,142 INFO L226 Difference]: Without dead ends: 109 [2021-11-21 01:25:40,142 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:25:40,143 INFO L933 BasicCegarLoop]: 69 mSDtfsCounter, 5 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:40,143 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 196 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:25:40,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-21 01:25:40,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 104. [2021-11-21 01:25:40,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 80 states have (on average 1.4375) internal successors, (115), 103 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:40,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 115 transitions. [2021-11-21 01:25:40,146 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 115 transitions. Word has length 15 [2021-11-21 01:25:40,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:40,146 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 115 transitions. [2021-11-21 01:25:40,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 115 transitions. [2021-11-21 01:25:40,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 01:25:40,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:40,148 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:25:40,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 01:25:40,148 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr30REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:40,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:40,148 INFO L85 PathProgramCache]: Analyzing trace with hash 405330386, now seen corresponding path program 1 times [2021-11-21 01:25:40,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:40,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713168637] [2021-11-21 01:25:40,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:40,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:40,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:40,205 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:40,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713168637] [2021-11-21 01:25:40,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713168637] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:25:40,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663946873] [2021-11-21 01:25:40,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:40,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:25:40,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:25:40,208 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:25:40,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:25:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:40,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 01:25:40,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:25:40,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:25:40,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:25:40,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:40,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:25:40,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:40,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:25:40,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-11-21 01:25:40,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-11-21 01:25:40,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:40,673 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:25:40,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:40,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663946873] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:25:40,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [934619945] [2021-11-21 01:25:40,840 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2021-11-21 01:25:40,841 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:25:40,845 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:25:40,851 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:25:40,852 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:25:40,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:40,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:40,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:25:41,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:25:41,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-21 01:25:41,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:25:41,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:25:41,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2021-11-21 01:25:41,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:25:41,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:25:41,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:25:41,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:25:41,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:25:41,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:25:41,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:25:41,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:41,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:25:44,075 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:25:45,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [934619945] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:45,284 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:25:45,284 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5, 6, 5] total 17 [2021-11-21 01:25:45,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073950638] [2021-11-21 01:25:45,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:45,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-21 01:25:45,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:45,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-21 01:25:45,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:25:45,287 INFO L87 Difference]: Start difference. First operand 104 states and 115 transitions. Second operand has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:45,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:25:45,817 INFO L93 Difference]: Finished difference Result 154 states and 169 transitions. [2021-11-21 01:25:45,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:25:45,818 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-21 01:25:45,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:25:45,819 INFO L225 Difference]: With dead ends: 154 [2021-11-21 01:25:45,819 INFO L226 Difference]: Without dead ends: 154 [2021-11-21 01:25:45,820 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-21 01:25:45,820 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 62 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:25:45,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 135 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 01:25:45,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-21 01:25:45,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 123. [2021-11-21 01:25:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.3838383838383839) internal successors, (137), 122 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:45,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 137 transitions. [2021-11-21 01:25:45,825 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 137 transitions. Word has length 19 [2021-11-21 01:25:45,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:25:45,826 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 137 transitions. [2021-11-21 01:25:45,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:25:45,826 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 137 transitions. [2021-11-21 01:25:45,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 01:25:45,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:45,827 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:25:45,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 01:25:46,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:25:46,044 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:25:46,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:46,045 INFO L85 PathProgramCache]: Analyzing trace with hash -360214418, now seen corresponding path program 1 times [2021-11-21 01:25:46,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:46,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416235270] [2021-11-21 01:25:46,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:46,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:46,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:46,335 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:46,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416235270] [2021-11-21 01:25:46,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416235270] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:25:46,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133557023] [2021-11-21 01:25:46,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:46,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:25:46,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:25:46,337 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:25:46,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 01:25:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:46,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 01:25:46,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:25:46,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-21 01:25:46,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:25:46,488 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:25:46,488 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-21 01:25:46,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:46,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 13 [2021-11-21 01:25:46,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 12 [2021-11-21 01:25:46,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-11-21 01:25:46,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 13 [2021-11-21 01:25:46,637 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 01:25:46,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-21 01:25:46,851 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-21 01:25:46,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 14 [2021-11-21 01:25:46,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:46,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:25:59,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:25:59,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133557023] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:25:59,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [5570868] [2021-11-21 01:25:59,815 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2021-11-21 01:25:59,815 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:25:59,816 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:25:59,816 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:25:59,816 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:25:59,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:59,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:59,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:25:59,912 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:25:59,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:25:59,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:25:59,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-21 01:26:00,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:26:00,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:26:00,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2021-11-21 01:26:00,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:26:00,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:26:00,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,194 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:26:00,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:26:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:26:00,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:26:00,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:26:00,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-21 01:26:00,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:00,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-11-21 01:26:01,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 56 [2021-11-21 01:26:01,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:26:01,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,359 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 01:26:01,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 31 [2021-11-21 01:26:01,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,421 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:26:01,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:26:01,499 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 01:26:01,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 63 [2021-11-21 01:26:01,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2021-11-21 01:26:01,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-11-21 01:26:01,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:01,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-11-21 01:26:02,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-21 01:26:02,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:26:02,847 INFO L354 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2021-11-21 01:26:02,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 462 treesize of output 464 [2021-11-21 01:26:02,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:02,899 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:26:02,992 INFO L354 Elim1Store]: treesize reduction 164, result has 16.8 percent of original size [2021-11-21 01:26:02,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 498 treesize of output 478 [2021-11-21 01:26:03,015 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:26:03,068 INFO L354 Elim1Store]: treesize reduction 77, result has 18.9 percent of original size [2021-11-21 01:26:03,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 483 treesize of output 472 [2021-11-21 01:26:04,753 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:26:04,822 INFO L354 Elim1Store]: treesize reduction 120, result has 20.0 percent of original size [2021-11-21 01:26:04,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 578 treesize of output 462 [2021-11-21 01:26:04,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:04,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:04,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:04,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:04,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:26:04,918 INFO L354 Elim1Store]: treesize reduction 282, result has 15.1 percent of original size [2021-11-21 01:26:04,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 525 treesize of output 505 [2021-11-21 01:26:04,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:26:05,001 INFO L354 Elim1Store]: treesize reduction 116, result has 22.7 percent of original size [2021-11-21 01:26:05,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 510 treesize of output 474 [2021-11-21 01:26:06,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:06,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:06,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:06,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:26:06,413 INFO L354 Elim1Store]: treesize reduction 127, result has 8.0 percent of original size [2021-11-21 01:26:06,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 572 treesize of output 448 [2021-11-21 01:26:06,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:06,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:06,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:06,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:26:06,458 INFO L354 Elim1Store]: treesize reduction 127, result has 8.0 percent of original size [2021-11-21 01:26:06,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 553 treesize of output 505 [2021-11-21 01:26:06,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:06,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:06,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:06,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:06,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:06,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:06,492 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:26:06,555 INFO L354 Elim1Store]: treesize reduction 218, result has 16.8 percent of original size [2021-11-21 01:26:06,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 534 treesize of output 533 [2021-11-21 01:26:07,479 INFO L354 Elim1Store]: treesize reduction 402, result has 11.5 percent of original size [2021-11-21 01:26:07,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 521 treesize of output 527 [2021-11-21 01:26:08,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:26:08,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:26:08,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:26:08,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:26:08,544 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:26:08,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 66 [2021-11-21 01:26:08,563 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:26:08,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-21 01:26:09,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:26:09,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:09,118 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 01:26:09,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 94 [2021-11-21 01:26:09,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:09,148 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 01:26:09,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 84 [2021-11-21 01:26:09,629 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:26:09,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:26:09,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-11-21 01:26:09,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:26:09,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:26:09,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:26:09,855 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:26:09,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 54 [2021-11-21 01:26:09,873 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:26:09,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 58 [2021-11-21 01:26:10,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:26:10,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:10,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:26:10,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:26:10,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:10,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:26:10,771 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:26:11,855 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 01:26:11,855 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:26:11,856 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 11] total 28 [2021-11-21 01:26:11,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923591310] [2021-11-21 01:26:11,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:26:11,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-21 01:26:11,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:26:11,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-21 01:26:11,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1574, Unknown=10, NotChecked=0, Total=1806 [2021-11-21 01:26:11,858 INFO L87 Difference]: Start difference. First operand 123 states and 137 transitions. Second operand has 28 states, 28 states have (on average 1.8571428571428572) internal successors, (52), 28 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:26:15,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:26:15,521 INFO L93 Difference]: Finished difference Result 365 states and 403 transitions. [2021-11-21 01:26:15,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-21 01:26:15,527 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.8571428571428572) internal successors, (52), 28 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-21 01:26:15,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:26:15,529 INFO L225 Difference]: With dead ends: 365 [2021-11-21 01:26:15,529 INFO L226 Difference]: Without dead ends: 365 [2021-11-21 01:26:15,531 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 32 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1170 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=554, Invalid=3096, Unknown=10, NotChecked=0, Total=3660 [2021-11-21 01:26:15,532 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 553 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 1462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 506 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:26:15,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [553 Valid, 563 Invalid, 1462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 825 Invalid, 0 Unknown, 506 Unchecked, 0.6s Time] [2021-11-21 01:26:15,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-11-21 01:26:15,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 142. [2021-11-21 01:26:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 118 states have (on average 1.3559322033898304) internal successors, (160), 141 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:26:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 160 transitions. [2021-11-21 01:26:15,536 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 160 transitions. Word has length 20 [2021-11-21 01:26:15,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:26:15,537 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 160 transitions. [2021-11-21 01:26:15,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.8571428571428572) internal successors, (52), 28 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:26:15,537 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 160 transitions. [2021-11-21 01:26:15,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 01:26:15,538 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:26:15,538 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:26:15,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 01:26:15,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-21 01:26:15,752 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:26:15,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:26:15,753 INFO L85 PathProgramCache]: Analyzing trace with hash -2088284808, now seen corresponding path program 1 times [2021-11-21 01:26:15,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:26:15,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483469730] [2021-11-21 01:26:15,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:26:15,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:26:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:26:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:26:16,173 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:26:16,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483469730] [2021-11-21 01:26:16,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483469730] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:26:16,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999236997] [2021-11-21 01:26:16,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:26:16,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:26:16,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:26:16,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:26:16,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 01:26:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:26:16,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 01:26:16,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:26:16,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-21 01:26:16,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:26:16,311 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:26:16,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-21 01:26:16,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:26:16,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 13 [2021-11-21 01:26:16,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 12 [2021-11-21 01:26:16,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-11-21 01:26:16,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 13 [2021-11-21 01:26:16,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 23 treesize of output 22 [2021-11-21 01:26:16,450 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:26:16,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-21 01:26:16,506 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-21 01:26:16,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2021-11-21 01:26:16,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 16 treesize of output 12 [2021-11-21 01:26:16,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-11-21 01:26:16,626 INFO L354 Elim1Store]: treesize reduction 41, result has 31.7 percent of original size [2021-11-21 01:26:16,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 39 [2021-11-21 01:26:16,666 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 01:26:16,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 26 [2021-11-21 01:26:16,829 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-21 01:26:16,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 14 [2021-11-21 01:26:16,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:26:16,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:26:41,279 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-21 01:26:41,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 98 [2021-11-21 01:26:43,305 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~end~0#1.offset_108| Int) (v_DerPreprocessor_8 Int) (v_DerPreprocessor_7 Int) (v_DerPreprocessor_6 Int) (|v_ULTIMATE.start_main_#t~malloc7#1.base_15| Int) (v_DerPreprocessor_5 Int) (|v_ULTIMATE.start_main_~end~0#1.offset_110| Int)) (or (= ~unnamed1~0~BLACK (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base| (store (select |c_#memory_int| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset| v_DerPreprocessor_8)))) (store .cse1 |c_ULTIMATE.start_main_#t~malloc4#1.base| (store (store (store (select .cse1 |c_ULTIMATE.start_main_#t~malloc4#1.base|) |v_ULTIMATE.start_main_~end~0#1.offset_110| v_DerPreprocessor_7) (+ 4 |v_ULTIMATE.start_main_~end~0#1.offset_110|) ~unnamed1~0~RED) |v_ULTIMATE.start_main_~end~0#1.offset_110| v_DerPreprocessor_6))))) (store .cse0 |v_ULTIMATE.start_main_#t~malloc7#1.base_15| (store (store (select .cse0 |v_ULTIMATE.start_main_#t~malloc7#1.base_15|) |v_ULTIMATE.start_main_~end~0#1.offset_108| v_DerPreprocessor_5) (+ 4 |v_ULTIMATE.start_main_~end~0#1.offset_108|) ~unnamed1~0~BLACK))) |c_ULTIMATE.start_main_~list~0#1.base|) (+ |c_ULTIMATE.start_main_~list~0#1.offset| 4))) (= |v_ULTIMATE.start_main_#t~malloc7#1.base_15| |c_ULTIMATE.start_main_~end~0#1.base|))) is different from false [2021-11-21 01:27:01,108 WARN L227 SmtUtils]: Spent 9.52s on a formula simplification. DAG size of input: 548 DAG size of output: 529 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 01:27:01,120 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-21 01:27:01,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2003282237] [2021-11-21 01:27:01,125 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-21 01:27:01,125 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:27:01,126 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:27:01,126 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:27:01,126 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:27:01,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:27:01,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:27:01,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-21 01:27:01,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:27:01,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:27:01,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:27:01,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:27:01,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,376 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2021-11-21 01:27:01,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:27:01,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:27:01,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:27:01,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:27:01,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:27:01,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:27:01,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:01,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-21 01:27:02,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 56 [2021-11-21 01:27:02,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:27:02,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-11-21 01:27:02,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,666 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 01:27:02,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 63 [2021-11-21 01:27:02,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-11-21 01:27:02,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:02,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:27:03,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,137 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-11-21 01:27:03,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 34 [2021-11-21 01:27:03,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,191 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 01:27:03,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 168 treesize of output 130 [2021-11-21 01:27:03,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,276 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-21 01:27:03,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 107 treesize of output 119 [2021-11-21 01:27:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-11-21 01:27:03,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2021-11-21 01:27:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-21 01:27:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:03,679 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-11-21 01:27:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,044 INFO L354 Elim1Store]: treesize reduction 116, result has 18.3 percent of original size [2021-11-21 01:27:04,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 301 treesize of output 213 [2021-11-21 01:27:04,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,127 INFO L354 Elim1Store]: treesize reduction 116, result has 18.3 percent of original size [2021-11-21 01:27:04,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 297 treesize of output 261 [2021-11-21 01:27:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:04,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:04,202 INFO L354 Elim1Store]: treesize reduction 132, result has 18.5 percent of original size [2021-11-21 01:27:04,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 247 treesize of output 247 [2021-11-21 01:27:04,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,491 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-21 01:27:04,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 280 treesize of output 204 [2021-11-21 01:27:04,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,525 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:04,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:04,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:04,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,590 INFO L354 Elim1Store]: treesize reduction 88, result has 25.4 percent of original size [2021-11-21 01:27:04,591 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 261 treesize of output 272 [2021-11-21 01:27:04,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:04,616 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-21 01:27:04,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 257 treesize of output 250 [2021-11-21 01:27:05,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 66 [2021-11-21 01:27:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,668 INFO L354 Elim1Store]: treesize reduction 88, result has 20.0 percent of original size [2021-11-21 01:27:05,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 319 treesize of output 239 [2021-11-21 01:27:05,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:05,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:05,694 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:05,700 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-21 01:27:05,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 321 treesize of output 324 [2021-11-21 01:27:05,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:05,748 INFO L354 Elim1Store]: treesize reduction 112, result has 18.8 percent of original size [2021-11-21 01:27:05,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 306 treesize of output 307 [2021-11-21 01:27:06,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:06,306 INFO L354 Elim1Store]: treesize reduction 136, result has 17.6 percent of original size [2021-11-21 01:27:06,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 405 treesize of output 251 [2021-11-21 01:27:06,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:06,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:06,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:06,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:06,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:06,324 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:06,376 INFO L354 Elim1Store]: treesize reduction 236, result has 16.0 percent of original size [2021-11-21 01:27:06,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 401 treesize of output 404 [2021-11-21 01:27:06,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:06,465 INFO L354 Elim1Store]: treesize reduction 208, result has 16.5 percent of original size [2021-11-21 01:27:06,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 386 treesize of output 382 [2021-11-21 01:27:06,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:06,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,004 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-21 01:27:07,004 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 542 treesize of output 336 [2021-11-21 01:27:07,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,028 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-11-21 01:27:07,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 523 treesize of output 519 [2021-11-21 01:27:07,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:07,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:07,051 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:07,143 INFO L354 Elim1Store]: treesize reduction 180, result has 20.0 percent of original size [2021-11-21 01:27:07,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 8 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 504 treesize of output 518 [2021-11-21 01:27:07,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:07,358 INFO L354 Elim1Store]: treesize reduction 542, result has 8.6 percent of original size [2021-11-21 01:27:07,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 30 case distinctions, treesize of input 500 treesize of output 509 [2021-11-21 01:27:07,730 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:07,731 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:07,732 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:08,020 INFO L354 Elim1Store]: treesize reduction 132, result has 23.7 percent of original size [2021-11-21 01:27:08,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 14 case distinctions, treesize of input 782 treesize of output 620 [2021-11-21 01:27:08,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:08,049 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:08,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:08,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:08,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:08,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:08,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:08,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:08,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:08,120 INFO L354 Elim1Store]: treesize reduction 117, result has 5.6 percent of original size [2021-11-21 01:27:08,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 714 treesize of output 694 [2021-11-21 01:27:08,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:08,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:08,143 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:08,339 INFO L354 Elim1Store]: treesize reduction 172, result has 16.1 percent of original size [2021-11-21 01:27:08,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 699 treesize of output 691 [2021-11-21 01:27:12,252 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:12,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:12,759 INFO L354 Elim1Store]: treesize reduction 304, result has 18.9 percent of original size [2021-11-21 01:27:12,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 1164 treesize of output 686 [2021-11-21 01:27:12,777 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:12,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:13,251 INFO L354 Elim1Store]: treesize reduction 412, result has 13.3 percent of original size [2021-11-21 01:27:13,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 21 case distinctions, treesize of input 970 treesize of output 822 [2021-11-21 01:27:13,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:13,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:13,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:13,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:13,764 INFO L354 Elim1Store]: treesize reduction 656, result has 11.0 percent of original size [2021-11-21 01:27:13,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 873 treesize of output 858 [2021-11-21 01:27:18,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:18,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:18,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:18,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:18,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:18,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:18,854 INFO L354 Elim1Store]: treesize reduction 336, result has 3.2 percent of original size [2021-11-21 01:27:18,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 23 case distinctions, treesize of input 988 treesize of output 634 [2021-11-21 01:27:18,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:18,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:18,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:18,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:18,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:18,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:18,930 INFO L354 Elim1Store]: treesize reduction 347, result has 5.2 percent of original size [2021-11-21 01:27:18,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 16 case distinctions, treesize of input 949 treesize of output 847 [2021-11-21 01:27:18,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:18,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:18,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:18,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:18,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:18,954 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:19,081 INFO L354 Elim1Store]: treesize reduction 582, result has 13.4 percent of original size [2021-11-21 01:27:19,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 5 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 25 case distinctions, treesize of input 930 treesize of output 931 [2021-11-21 01:27:20,599 INFO L354 Elim1Store]: treesize reduction 568, result has 10.3 percent of original size [2021-11-21 01:27:20,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 885 treesize of output 882 [2021-11-21 01:27:22,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:22,128 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:22,305 INFO L354 Elim1Store]: treesize reduction 264, result has 15.4 percent of original size [2021-11-21 01:27:22,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 20 case distinctions, treesize of input 1015 treesize of output 686 [2021-11-21 01:27:22,328 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:22,329 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:22,536 INFO L354 Elim1Store]: treesize reduction 372, result has 11.4 percent of original size [2021-11-21 01:27:22,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 20 case distinctions, treesize of input 948 treesize of output 890 [2021-11-21 01:27:22,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:22,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:22,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:22,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:22,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:22,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:22,569 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:22,776 INFO L354 Elim1Store]: treesize reduction 642, result has 11.1 percent of original size [2021-11-21 01:27:22,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 937 treesize of output 918 [2021-11-21 01:27:26,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:26,188 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:26,811 INFO L354 Elim1Store]: treesize reduction 372, result has 15.8 percent of original size [2021-11-21 01:27:26,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 1964 treesize of output 830 [2021-11-21 01:27:26,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:26,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:26,849 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:26,850 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:27,253 INFO L354 Elim1Store]: treesize reduction 1440, result has 11.8 percent of original size [2021-11-21 01:27:27,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 1454 treesize of output 1476 [2021-11-21 01:27:27,272 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:27,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:27,594 INFO L354 Elim1Store]: treesize reduction 660, result has 11.5 percent of original size [2021-11-21 01:27:27,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 28 case distinctions, treesize of input 1480 treesize of output 1158 [2021-11-21 01:27:37,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:37,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:37,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:37,664 INFO L354 Elim1Store]: treesize reduction 432, result has 9.1 percent of original size [2021-11-21 01:27:37,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 27 case distinctions, treesize of input 1957 treesize of output 833 [2021-11-21 01:27:37,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:37,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:37,690 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:38,091 INFO L354 Elim1Store]: treesize reduction 648, result has 9.4 percent of original size [2021-11-21 01:27:38,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 27 case distinctions, treesize of input 1938 treesize of output 1361 [2021-11-21 01:27:38,718 INFO L354 Elim1Store]: treesize reduction 1838, result has 8.1 percent of original size [2021-11-21 01:27:38,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 2 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 54 case distinctions, treesize of input 1919 treesize of output 1868 [2021-11-21 01:27:38,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:38,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:38,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:38,742 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:39,418 INFO L354 Elim1Store]: treesize reduction 1782, result has 9.5 percent of original size [2021-11-21 01:27:39,419 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 3 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 1930 treesize of output 1929 [2021-11-21 01:27:42,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:27:42,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:27:42,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:27:42,597 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:27:42,598 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 54 [2021-11-21 01:27:42,620 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:27:42,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 58 [2021-11-21 01:27:42,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:27:42,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:27:42,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:42,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:27:42,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:42,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:27:42,997 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:27:42,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:27:43,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-11-21 01:27:43,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2021-11-21 01:27:43,090 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2021-11-21 01:27:43,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:43,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 13 [2021-11-21 01:27:43,218 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:27:43,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 117 treesize of output 96 [2021-11-21 01:27:43,244 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:27:43,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 83 [2021-11-21 01:27:43,260 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-21 01:27:43,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 84 treesize of output 72 [2021-11-21 01:27:43,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:43,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:43,459 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 01:27:43,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 129 [2021-11-21 01:27:43,482 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-21 01:27:43,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 123 treesize of output 122 [2021-11-21 01:27:43,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:43,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:43,496 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 01:27:43,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 119 treesize of output 102 [2021-11-21 01:27:43,529 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 01:27:43,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 96 treesize of output 107 [2021-11-21 01:27:43,556 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-21 01:27:43,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 98 treesize of output 101 [2021-11-21 01:27:43,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:27:43,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:27:43,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:27:43,824 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:27:43,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 66 [2021-11-21 01:27:43,841 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:27:43,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-21 01:27:44,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:27:44,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:27:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:44,159 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 01:27:44,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 94 [2021-11-21 01:27:44,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:44,183 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 01:27:44,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 84 [2021-11-21 01:27:45,431 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 01:27:45,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 14 treesize of output 20 [2021-11-21 01:27:45,479 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:27:45,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:27:45,567 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:45,568 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:45,608 INFO L354 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2021-11-21 01:27:45,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 285 treesize of output 291 [2021-11-21 01:27:45,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:45,617 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:45,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:45,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:45,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:27:45,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:45,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:45,657 INFO L354 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2021-11-21 01:27:45,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 298 treesize of output 302 [2021-11-21 01:27:45,667 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:45,668 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:27:45,718 INFO L354 Elim1Store]: treesize reduction 32, result has 54.9 percent of original size [2021-11-21 01:27:45,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 290 treesize of output 312 [2021-11-21 01:27:46,153 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:27:46,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 134 treesize of output 113 [2021-11-21 01:27:46,176 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:27:46,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 96 [2021-11-21 01:27:46,200 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 01:27:46,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 101 treesize of output 89 [2021-11-21 01:27:46,521 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:27:48,653 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 01:27:48,653 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:27:48,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2021-11-21 01:27:48,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759214357] [2021-11-21 01:27:48,654 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-21 01:27:48,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-21 01:27:48,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:27:48,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-21 01:27:48,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=2734, Unknown=21, NotChecked=108, Total=3192 [2021-11-21 01:27:48,657 INFO L87 Difference]: Start difference. First operand 142 states and 160 transitions. Second operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:27:49,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:27:49,736 INFO L93 Difference]: Finished difference Result 211 states and 233 transitions. [2021-11-21 01:27:49,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-21 01:27:49,737 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-21 01:27:49,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:27:49,739 INFO L225 Difference]: With dead ends: 211 [2021-11-21 01:27:49,739 INFO L226 Difference]: Without dead ends: 211 [2021-11-21 01:27:49,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1450 ImplicationChecksByTransitivity, 37.4s TimeCoverageRelationStatistics Valid=508, Invalid=3765, Unknown=21, NotChecked=128, Total=4422 [2021-11-21 01:27:49,742 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 281 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:27:49,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 299 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-21 01:27:49,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-11-21 01:27:49,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 147. [2021-11-21 01:27:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 123 states have (on average 1.3414634146341464) internal successors, (165), 146 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:27:49,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 165 transitions. [2021-11-21 01:27:49,748 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 165 transitions. Word has length 24 [2021-11-21 01:27:49,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:27:49,751 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 165 transitions. [2021-11-21 01:27:49,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:27:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 165 transitions. [2021-11-21 01:27:49,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 01:27:49,760 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:27:49,761 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:27:49,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-21 01:27:49,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-21 01:27:49,964 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr47REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:27:49,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:27:49,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2094391231, now seen corresponding path program 1 times [2021-11-21 01:27:49,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:27:49,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038715635] [2021-11-21 01:27:49,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:27:49,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:27:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:27:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:27:50,065 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:27:50,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038715635] [2021-11-21 01:27:50,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038715635] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:27:50,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540870177] [2021-11-21 01:27:50,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:27:50,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:27:50,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:27:50,067 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:27:50,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 01:27:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:27:50,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 01:27:50,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:27:50,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:27:50,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-11-21 01:27:50,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:27:50,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 01:27:50,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540870177] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:27:50,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:27:50,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2021-11-21 01:27:50,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773601540] [2021-11-21 01:27:50,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:27:50,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 01:27:50,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:27:50,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 01:27:50,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-21 01:27:50,232 INFO L87 Difference]: Start difference. First operand 147 states and 165 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:27:50,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:27:50,358 INFO L93 Difference]: Finished difference Result 144 states and 161 transitions. [2021-11-21 01:27:50,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 01:27:50,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-21 01:27:50,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:27:50,360 INFO L225 Difference]: With dead ends: 144 [2021-11-21 01:27:50,360 INFO L226 Difference]: Without dead ends: 144 [2021-11-21 01:27:50,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-21 01:27:50,361 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 5 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:27:50,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 160 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:27:50,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-11-21 01:27:50,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2021-11-21 01:27:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 120 states have (on average 1.3416666666666666) internal successors, (161), 143 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:27:50,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 161 transitions. [2021-11-21 01:27:50,369 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 161 transitions. Word has length 26 [2021-11-21 01:27:50,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:27:50,370 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 161 transitions. [2021-11-21 01:27:50,370 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:27:50,370 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 161 transitions. [2021-11-21 01:27:50,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 01:27:50,371 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:27:50,372 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:27:50,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 01:27:50,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-21 01:27:50,585 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr30REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:27:50,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:27:50,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1035476321, now seen corresponding path program 1 times [2021-11-21 01:27:50,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:27:50,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15325544] [2021-11-21 01:27:50,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:27:50,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:27:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:27:50,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:27:50,742 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:27:50,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15325544] [2021-11-21 01:27:50,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15325544] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:27:50,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1702140634] [2021-11-21 01:27:50,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:27:50,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:27:50,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:27:50,743 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:27:50,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 01:27:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:27:50,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 01:27:50,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:27:50,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-21 01:27:50,910 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:27:50,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:27:50,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 17 [2021-11-21 01:27:51,080 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:27:51,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 27 [2021-11-21 01:27:51,131 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-21 01:27:51,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 35 [2021-11-21 01:27:51,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-11-21 01:27:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:27:51,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:28:07,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2021-11-21 01:28:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:28:10,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1702140634] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:28:10,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1528943713] [2021-11-21 01:28:10,781 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-21 01:28:10,781 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:28:10,782 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:28:10,782 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:28:10,782 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:28:10,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:10,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:10,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:28:10,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:10,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-21 01:28:10,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:28:10,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:28:10,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:28:10,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:10,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:10,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:28:10,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:10,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:10,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:10,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:10,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:10,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2021-11-21 01:28:11,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:28:11,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:28:11,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,065 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:28:11,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:28:11,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:28:11,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:28:11,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:28:11,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-21 01:28:11,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:28:11,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-11-21 01:28:11,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 56 [2021-11-21 01:28:11,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:11,957 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 01:28:11,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 63 [2021-11-21 01:28:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:28:12,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-11-21 01:28:12,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-11-21 01:28:12,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,346 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-11-21 01:28:12,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-11-21 01:28:12,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:12,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-21 01:28:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:13,042 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:13,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:13,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:13,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:13,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:13,077 INFO L354 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2021-11-21 01:28:13,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 458 treesize of output 438 [2021-11-21 01:28:13,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:13,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:13,125 INFO L354 Elim1Store]: treesize reduction 53, result has 25.4 percent of original size [2021-11-21 01:28:13,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 443 treesize of output 436 [2021-11-21 01:28:13,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:13,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:13,181 INFO L354 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2021-11-21 01:28:13,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 448 treesize of output 450 [2021-11-21 01:28:15,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:15,330 INFO L354 Elim1Store]: treesize reduction 156, result has 15.7 percent of original size [2021-11-21 01:28:15,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 544 treesize of output 451 [2021-11-21 01:28:15,355 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:15,448 INFO L354 Elim1Store]: treesize reduction 176, result has 17.4 percent of original size [2021-11-21 01:28:15,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 511 treesize of output 495 [2021-11-21 01:28:15,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:15,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:15,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:15,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:15,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:15,554 INFO L354 Elim1Store]: treesize reduction 254, result has 15.3 percent of original size [2021-11-21 01:28:15,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 502 treesize of output 482 [2021-11-21 01:28:18,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:18,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:18,238 INFO L354 Elim1Store]: treesize reduction 136, result has 9.9 percent of original size [2021-11-21 01:28:18,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 546 treesize of output 442 [2021-11-21 01:28:18,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:18,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:18,314 INFO L354 Elim1Store]: treesize reduction 160, result has 10.6 percent of original size [2021-11-21 01:28:18,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 527 treesize of output 508 [2021-11-21 01:28:18,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:18,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:18,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:18,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:18,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:18,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:18,332 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:18,400 INFO L354 Elim1Store]: treesize reduction 190, result has 17.4 percent of original size [2021-11-21 01:28:18,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 508 treesize of output 507 [2021-11-21 01:28:20,648 INFO L354 Elim1Store]: treesize reduction 368, result has 11.1 percent of original size [2021-11-21 01:28:20,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 500 treesize of output 504 [2021-11-21 01:28:23,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:28:23,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:28:23,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:28:23,730 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:28:23,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 66 [2021-11-21 01:28:23,744 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:28:23,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-21 01:28:23,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:28:23,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:28:23,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:23,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:28:23,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:23,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:28:24,034 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:28:24,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:28:24,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-11-21 01:28:24,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:28:24,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:28:24,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:28:24,265 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:28:24,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 66 [2021-11-21 01:28:24,280 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:28:24,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-21 01:28:24,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:28:24,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:24,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:28:24,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:28:24,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:24,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:28:26,259 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:28:27,949 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 01:28:27,949 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:28:27,949 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 23 [2021-11-21 01:28:27,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571788081] [2021-11-21 01:28:27,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:28:27,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-21 01:28:27,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:28:27,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-21 01:28:27,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1666, Unknown=5, NotChecked=0, Total=1892 [2021-11-21 01:28:27,952 INFO L87 Difference]: Start difference. First operand 144 states and 161 transitions. Second operand has 24 states, 23 states have (on average 2.608695652173913) internal successors, (60), 24 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:28:28,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:28:28,602 INFO L93 Difference]: Finished difference Result 228 states and 254 transitions. [2021-11-21 01:28:28,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-21 01:28:28,603 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 2.608695652173913) internal successors, (60), 24 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-21 01:28:28,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:28:28,605 INFO L225 Difference]: With dead ends: 228 [2021-11-21 01:28:28,605 INFO L226 Difference]: Without dead ends: 228 [2021-11-21 01:28:28,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 20.4s TimeCoverageRelationStatistics Valid=263, Invalid=1988, Unknown=5, NotChecked=0, Total=2256 [2021-11-21 01:28:28,607 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 449 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 641 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:28:28,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [449 Valid, 432 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 550 Invalid, 0 Unknown, 641 Unchecked, 0.5s Time] [2021-11-21 01:28:28,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-11-21 01:28:28,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 184. [2021-11-21 01:28:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 160 states have (on average 1.3875) internal successors, (222), 183 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:28:28,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 222 transitions. [2021-11-21 01:28:28,630 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 222 transitions. Word has length 26 [2021-11-21 01:28:28,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:28:28,631 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 222 transitions. [2021-11-21 01:28:28,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 2.608695652173913) internal successors, (60), 24 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:28:28,631 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 222 transitions. [2021-11-21 01:28:28,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 01:28:28,632 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:28:28,632 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:28:28,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-21 01:28:28,832 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-21 01:28:28,833 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr31REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:28:28,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:28:28,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1035476320, now seen corresponding path program 1 times [2021-11-21 01:28:28,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:28:28,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981243659] [2021-11-21 01:28:28,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:28:28,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:28:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:28:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:28:29,034 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:28:29,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981243659] [2021-11-21 01:28:29,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981243659] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:28:29,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641055940] [2021-11-21 01:28:29,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:28:29,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:28:29,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:28:29,040 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:28:29,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 01:28:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:28:29,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 01:28:29,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:28:29,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-21 01:28:29,207 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:28:29,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-21 01:28:29,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-21 01:28:29,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 17 [2021-11-21 01:28:29,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:28:29,377 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:28:29,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:28:29,395 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:28:29,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 27 [2021-11-21 01:28:29,464 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-21 01:28:29,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 68 [2021-11-21 01:28:29,483 INFO L354 Elim1Store]: treesize reduction 96, result has 16.5 percent of original size [2021-11-21 01:28:29,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 42 [2021-11-21 01:28:29,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2021-11-21 01:28:29,735 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 01:28:29,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19 [2021-11-21 01:28:29,749 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:28:29,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:28:32,032 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~end~0#1.offset| Int) (v_DerPreprocessor_11 Int)) (<= 0 (+ 4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset| |c_ULTIMATE.start_main_~null~0#1.offset|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|) v_DerPreprocessor_11)) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)))) (forall ((|ULTIMATE.start_main_~end~0#1.offset| Int) (v_DerPreprocessor_11 Int) (|ULTIMATE.start_main_~null~0#1.base| Int) (v_DerPreprocessor_10 Int)) (let ((.cse0 (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (<= (+ 8 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset| |c_ULTIMATE.start_main_~null~0#1.offset|) .cse0 v_DerPreprocessor_11)) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset| |ULTIMATE.start_main_~null~0#1.base|) .cse0 v_DerPreprocessor_10)) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)))))) is different from false [2021-11-21 01:28:34,055 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_DerPreprocessor_11 Int) (|ULTIMATE.start_main_~null~0#1.base| Int) (v_subst_2 Int) (v_DerPreprocessor_10 Int)) (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset|)) (.cse1 (+ 4 v_subst_2))) (<= (+ 8 (select (select (store |c_#memory_$Pointer$.offset| .cse0 (store (store (select |c_#memory_$Pointer$.offset| .cse0) v_subst_2 |c_ULTIMATE.start_main_~null~0#1.offset|) .cse1 v_DerPreprocessor_11)) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) (select |c_#length| (select (select (store |c_#memory_$Pointer$.base| .cse0 (store (store (select |c_#memory_$Pointer$.base| .cse0) v_subst_2 |ULTIMATE.start_main_~null~0#1.base|) .cse1 v_DerPreprocessor_10)) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|))))) (forall ((v_DerPreprocessor_11 Int) (v_subst_1 Int)) (<= 0 (+ (select (select (let ((.cse2 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset|))) (store |c_#memory_$Pointer$.offset| .cse2 (store (store (select |c_#memory_$Pointer$.offset| .cse2) v_subst_1 |c_ULTIMATE.start_main_~null~0#1.offset|) (+ 4 v_subst_1) v_DerPreprocessor_11))) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|) 4)))) is different from false [2021-11-21 01:28:34,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 186 treesize of output 182 [2021-11-21 01:28:34,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:34,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,281 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:34,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:28:34,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641055940] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:28:34,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2135751371] [2021-11-21 01:28:34,419 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-21 01:28:34,419 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:28:34,420 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:28:34,420 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:28:34,420 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:28:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:28:34,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:28:34,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:28:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-21 01:28:34,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:28:34,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2021-11-21 01:28:34,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:28:34,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:28:34,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:28:34,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:28:34,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:28:34,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:28:34,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:28:34,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:34,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:28:35,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-21 01:28:35,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:28:35,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 56 [2021-11-21 01:28:35,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-11-21 01:28:35,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,827 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 01:28:35,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 63 [2021-11-21 01:28:35,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:28:35,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:35,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-11-21 01:28:36,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-11-21 01:28:36,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 34 [2021-11-21 01:28:36,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-11-21 01:28:36,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:36,697 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-21 01:28:36,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:37,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:37,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:37,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:37,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:37,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:37,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:37,093 INFO L354 Elim1Store]: treesize reduction 164, result has 16.8 percent of original size [2021-11-21 01:28:37,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 462 treesize of output 442 [2021-11-21 01:28:37,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:37,181 INFO L354 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2021-11-21 01:28:37,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 447 treesize of output 449 [2021-11-21 01:28:37,193 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:37,261 INFO L354 Elim1Store]: treesize reduction 77, result has 18.9 percent of original size [2021-11-21 01:28:37,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 483 treesize of output 472 [2021-11-21 01:28:39,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:39,094 INFO L354 Elim1Store]: treesize reduction 120, result has 20.0 percent of original size [2021-11-21 01:28:39,095 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 578 treesize of output 462 [2021-11-21 01:28:39,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:39,178 INFO L354 Elim1Store]: treesize reduction 116, result has 22.7 percent of original size [2021-11-21 01:28:39,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 525 treesize of output 489 [2021-11-21 01:28:39,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:39,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:39,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:39,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:39,196 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:39,278 INFO L354 Elim1Store]: treesize reduction 282, result has 15.1 percent of original size [2021-11-21 01:28:39,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 508 treesize of output 488 [2021-11-21 01:28:40,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:40,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:40,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:40,585 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:40,614 INFO L354 Elim1Store]: treesize reduction 127, result has 8.0 percent of original size [2021-11-21 01:28:40,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 512 treesize of output 448 [2021-11-21 01:28:40,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:40,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:40,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:40,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:40,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:40,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:40,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:40,700 INFO L354 Elim1Store]: treesize reduction 218, result has 16.8 percent of original size [2021-11-21 01:28:40,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 493 treesize of output 492 [2021-11-21 01:28:40,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:40,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:40,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:40,713 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:28:40,738 INFO L354 Elim1Store]: treesize reduction 127, result has 8.0 percent of original size [2021-11-21 01:28:40,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 500 treesize of output 472 [2021-11-21 01:28:41,772 INFO L354 Elim1Store]: treesize reduction 228, result has 13.3 percent of original size [2021-11-21 01:28:41,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 461 treesize of output 462 [2021-11-21 01:28:42,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:28:42,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:28:42,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:28:42,798 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:28:42,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 66 [2021-11-21 01:28:42,814 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:28:42,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-21 01:28:42,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:28:43,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:28:43,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:43,030 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:28:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:43,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:28:43,136 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 01:28:43,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 14 treesize of output 20 [2021-11-21 01:28:43,196 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:28:43,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:28:43,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:28:43,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:28:43,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:28:43,377 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:28:43,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 66 [2021-11-21 01:28:43,393 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:28:43,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-21 01:28:43,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:28:44,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:44,043 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 01:28:44,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 94 [2021-11-21 01:28:44,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:44,071 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 01:28:44,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 84 [2021-11-21 01:28:44,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:28:46,994 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:28:48,934 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 01:28:48,935 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:28:48,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 27 [2021-11-21 01:28:48,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126189913] [2021-11-21 01:28:48,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:28:48,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-21 01:28:48,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:28:48,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-21 01:28:48,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=1848, Unknown=2, NotChecked=178, Total=2256 [2021-11-21 01:28:48,938 INFO L87 Difference]: Start difference. First operand 184 states and 222 transitions. Second operand has 28 states, 27 states have (on average 2.740740740740741) internal successors, (74), 28 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:28:52,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:28:52,312 INFO L93 Difference]: Finished difference Result 243 states and 281 transitions. [2021-11-21 01:28:52,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-21 01:28:52,313 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 2.740740740740741) internal successors, (74), 28 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-21 01:28:52,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:28:52,315 INFO L225 Difference]: With dead ends: 243 [2021-11-21 01:28:52,315 INFO L226 Difference]: Without dead ends: 243 [2021-11-21 01:28:52,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 974 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=383, Invalid=2815, Unknown=2, NotChecked=222, Total=3422 [2021-11-21 01:28:52,317 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 394 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 1432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 484 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:28:52,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [394 Valid, 620 Invalid, 1432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 808 Invalid, 0 Unknown, 484 Unchecked, 0.7s Time] [2021-11-21 01:28:52,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2021-11-21 01:28:52,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 187. [2021-11-21 01:28:52,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 163 states have (on average 1.3803680981595092) internal successors, (225), 186 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:28:52,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-21 01:28:52,324 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 26 [2021-11-21 01:28:52,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:28:52,324 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-21 01:28:52,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 2.740740740740741) internal successors, (74), 28 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:28:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-21 01:28:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 01:28:52,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:28:52,326 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 01:28:52,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 01:28:52,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-21 01:28:52,552 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:28:52,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:28:52,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1036780848, now seen corresponding path program 1 times [2021-11-21 01:28:52,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:28:52,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573115157] [2021-11-21 01:28:52,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:28:52,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:28:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:28:52,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 01:28:52,642 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:28:52,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573115157] [2021-11-21 01:28:52,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573115157] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:28:52,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:28:52,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:28:52,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700175814] [2021-11-21 01:28:52,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:28:52,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:28:52,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:28:52,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:28:52,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:28:52,645 INFO L87 Difference]: Start difference. First operand 187 states and 225 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:28:52,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:28:52,777 INFO L93 Difference]: Finished difference Result 185 states and 219 transitions. [2021-11-21 01:28:52,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:28:52,778 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-21 01:28:52,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:28:52,779 INFO L225 Difference]: With dead ends: 185 [2021-11-21 01:28:52,779 INFO L226 Difference]: Without dead ends: 185 [2021-11-21 01:28:52,779 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-21 01:28:52,780 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 4 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-21 01:28:52,780 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 196 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-21 01:28:52,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-11-21 01:28:52,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2021-11-21 01:28:52,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 158 states have (on average 1.3670886075949367) internal successors, (216), 181 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:28:52,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 216 transitions. [2021-11-21 01:28:52,785 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 216 transitions. Word has length 26 [2021-11-21 01:28:52,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:28:52,785 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 216 transitions. [2021-11-21 01:28:52,785 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:28:52,785 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 216 transitions. [2021-11-21 01:28:52,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 01:28:52,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:28:52,786 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-21 01:28:52,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-21 01:28:52,786 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr40REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:28:52,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:28:52,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1455772297, now seen corresponding path program 1 times [2021-11-21 01:28:52,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:28:52,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390195991] [2021-11-21 01:28:52,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:28:52,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:28:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:28:52,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:28:52,915 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:28:52,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390195991] [2021-11-21 01:28:52,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390195991] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:28:52,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150644241] [2021-11-21 01:28:52,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:28:52,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:28:52,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:28:52,920 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:28:52,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 01:28:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:28:52,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-21 01:28:52,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:28:52,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:28:52,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:28:53,015 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-21 01:28:53,015 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 11 [2021-11-21 01:28:53,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 27 treesize of output 11 [2021-11-21 01:28:53,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2021-11-21 01:28:53,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2021-11-21 01:28:53,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:28:53,158 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:28:53,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:28:53,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150644241] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:28:53,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1415713229] [2021-11-21 01:28:53,308 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2021-11-21 01:28:53,308 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:28:53,309 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:28:53,309 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:28:53,309 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:28:53,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:28:53,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:28:53,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:28:53,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-21 01:28:53,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:28:53,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:28:53,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2021-11-21 01:28:53,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:28:53,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:28:53,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:28:53,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:28:53,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:28:53,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:28:53,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:28:53,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:28:59,423 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:29:01,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1415713229] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:29:01,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:29:01,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [7, 5, 5] total 19 [2021-11-21 01:29:01,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093837384] [2021-11-21 01:29:01,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:29:01,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:29:01,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:29:01,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:29:01,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2021-11-21 01:29:01,366 INFO L87 Difference]: Start difference. First operand 182 states and 216 transitions. Second operand has 14 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:29:02,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:29:02,254 INFO L93 Difference]: Finished difference Result 189 states and 223 transitions. [2021-11-21 01:29:02,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 01:29:02,255 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-21 01:29:02,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:29:02,256 INFO L225 Difference]: With dead ends: 189 [2021-11-21 01:29:02,257 INFO L226 Difference]: Without dead ends: 189 [2021-11-21 01:29:02,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 65 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2021-11-21 01:29:02,258 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 21 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 433 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 75 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 01:29:02,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 191 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 433 Invalid, 0 Unknown, 75 Unchecked, 0.6s Time] [2021-11-21 01:29:02,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-11-21 01:29:02,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2021-11-21 01:29:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 165 states have (on average 1.3515151515151516) internal successors, (223), 188 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:29:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 223 transitions. [2021-11-21 01:29:02,263 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 223 transitions. Word has length 27 [2021-11-21 01:29:02,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:29:02,264 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 223 transitions. [2021-11-21 01:29:02,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:29:02,264 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 223 transitions. [2021-11-21 01:29:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 01:29:02,265 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:29:02,265 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:29:02,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-21 01:29:02,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:29:02,480 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:29:02,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:29:02,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1732454729, now seen corresponding path program 1 times [2021-11-21 01:29:02,481 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:29:02,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585880358] [2021-11-21 01:29:02,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:29:02,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:29:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:29:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:29:02,687 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:29:02,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585880358] [2021-11-21 01:29:02,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585880358] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:29:02,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840310712] [2021-11-21 01:29:02,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:29:02,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:29:02,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:29:02,689 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:29:02,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-21 01:29:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:29:02,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 01:29:02,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:29:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:29:03,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:29:03,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 01:29:03,436 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840310712] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:29:03,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1979926553] [2021-11-21 01:29:03,438 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2021-11-21 01:29:03,438 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:29:03,438 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:29:03,439 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:29:03,439 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:29:03,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:29:03,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:29:03,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:29:03,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-21 01:29:03,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:29:03,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:29:03,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:29:03,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2021-11-21 01:29:03,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:29:03,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:29:03,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:29:03,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:29:03,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:29:03,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:03,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:29:09,544 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:29:11,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1979926553] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:29:11,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:29:11,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [6, 5, 5] total 28 [2021-11-21 01:29:11,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331688052] [2021-11-21 01:29:11,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:29:11,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-21 01:29:11,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:29:11,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-21 01:29:11,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2021-11-21 01:29:11,962 INFO L87 Difference]: Start difference. First operand 189 states and 223 transitions. Second operand has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:29:12,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:29:12,371 INFO L93 Difference]: Finished difference Result 194 states and 229 transitions. [2021-11-21 01:29:12,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-21 01:29:12,372 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-21 01:29:12,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:29:12,373 INFO L225 Difference]: With dead ends: 194 [2021-11-21 01:29:12,373 INFO L226 Difference]: Without dead ends: 190 [2021-11-21 01:29:12,374 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 63 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2021-11-21 01:29:12,374 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 27 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 154 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 01:29:12,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [27 Valid, 150 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 237 Invalid, 0 Unknown, 154 Unchecked, 0.4s Time] [2021-11-21 01:29:12,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-11-21 01:29:12,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2021-11-21 01:29:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 166 states have (on average 1.3493975903614457) internal successors, (224), 189 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:29:12,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 224 transitions. [2021-11-21 01:29:12,381 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 224 transitions. Word has length 30 [2021-11-21 01:29:12,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:29:12,382 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 224 transitions. [2021-11-21 01:29:12,382 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:29:12,382 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 224 transitions. [2021-11-21 01:29:12,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 01:29:12,383 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:29:12,383 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:29:12,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-11-21 01:29:12,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:29:12,596 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr30REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:29:12,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:29:12,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1064830933, now seen corresponding path program 2 times [2021-11-21 01:29:12,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:29:12,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273514597] [2021-11-21 01:29:12,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:29:12,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:29:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:29:12,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:29:12,877 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:29:12,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273514597] [2021-11-21 01:29:12,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273514597] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:29:12,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048719473] [2021-11-21 01:29:12,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-21 01:29:12,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:29:12,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:29:12,884 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:29:12,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-21 01:29:13,025 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-21 01:29:13,025 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 01:29:13,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-21 01:29:13,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:29:13,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-21 01:29:13,164 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:29:13,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-21 01:29:13,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-21 01:29:13,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 17 [2021-11-21 01:29:13,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:29:13,336 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:29:13,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 27 [2021-11-21 01:29:13,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:29:13,353 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 26 treesize of output 21 [2021-11-21 01:29:13,471 INFO L354 Elim1Store]: treesize reduction 112, result has 14.5 percent of original size [2021-11-21 01:29:13,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 148 treesize of output 113 [2021-11-21 01:29:13,492 INFO L354 Elim1Store]: treesize reduction 88, result has 17.8 percent of original size [2021-11-21 01:29:13,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 93 [2021-11-21 01:29:13,952 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-21 01:29:13,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 63 [2021-11-21 01:29:14,077 INFO L354 Elim1Store]: treesize reduction 34, result has 8.1 percent of original size [2021-11-21 01:29:14,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 42 [2021-11-21 01:29:14,096 INFO L354 Elim1Store]: treesize reduction 26, result has 10.3 percent of original size [2021-11-21 01:29:14,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 23 [2021-11-21 01:29:14,125 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:29:14,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:29:15,491 INFO L354 Elim1Store]: treesize reduction 258, result has 62.8 percent of original size [2021-11-21 01:29:15,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 34225 treesize of output 32747 [2021-11-21 01:29:16,164 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:29:18,375 INFO L354 Elim1Store]: treesize reduction 591, result has 51.0 percent of original size [2021-11-21 01:29:18,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 15 new quantified variables, introduced 92 case distinctions, treesize of input 658641 treesize of output 637691 [2021-11-21 01:30:17,386 WARN L227 SmtUtils]: Spent 59.01s on a formula simplification. DAG size of input: 1673 DAG size of output: 1630 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 01:30:52,891 WARN L227 SmtUtils]: Spent 35.50s on a formula simplification. DAG size of input: 1612 DAG size of output: 1606 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 01:30:53,129 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:30:53,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 567323 treesize of output 567287 [2021-11-21 01:30:56,749 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 01:30:56,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 567287 treesize of output 567083 [2021-11-21 01:31:01,031 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-21 01:31:01,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1999800252] [2021-11-21 01:31:01,033 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-21 01:31:01,033 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:31:01,034 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:31:01,034 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:31:01,034 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:31:01,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:31:01,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:31:01,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:31:01,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,154 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-21 01:31:01,197 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:31:01,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:31:01,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2021-11-21 01:31:01,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:31:01,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:31:01,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:31:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:31:01,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:31:01,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:31:01,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:31:01,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-21 01:31:01,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:31:01,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-11-21 01:31:01,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:01,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 56 [2021-11-21 01:31:02,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,245 INFO L354 Elim1Store]: treesize reduction 48, result has 44.8 percent of original size [2021-11-21 01:31:02,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 65 [2021-11-21 01:31:02,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,315 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 01:31:02,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 31 [2021-11-21 01:31:02,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:02,408 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 01:31:02,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 63 [2021-11-21 01:31:02,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,770 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-11-21 01:31:02,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 34 [2021-11-21 01:31:02,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:02,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:02,835 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 01:31:02,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2021-11-21 01:31:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:02,931 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:02,937 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 01:31:02,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 66 [2021-11-21 01:31:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,436 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-21 01:31:03,583 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:03,650 INFO L354 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2021-11-21 01:31:03,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 462 treesize of output 464 [2021-11-21 01:31:03,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:03,712 INFO L354 Elim1Store]: treesize reduction 77, result has 18.9 percent of original size [2021-11-21 01:31:03,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 498 treesize of output 487 [2021-11-21 01:31:03,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:03,733 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:03,805 INFO L354 Elim1Store]: treesize reduction 164, result has 16.8 percent of original size [2021-11-21 01:31:03,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 13 case distinctions, treesize of input 503 treesize of output 483 [2021-11-21 01:31:05,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:05,645 INFO L354 Elim1Store]: treesize reduction 120, result has 20.0 percent of original size [2021-11-21 01:31:05,646 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 578 treesize of output 462 [2021-11-21 01:31:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:05,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:05,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:05,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:05,662 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:05,753 INFO L354 Elim1Store]: treesize reduction 282, result has 15.1 percent of original size [2021-11-21 01:31:05,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 525 treesize of output 505 [2021-11-21 01:31:05,764 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:05,818 INFO L354 Elim1Store]: treesize reduction 116, result has 22.7 percent of original size [2021-11-21 01:31:05,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 510 treesize of output 474 [2021-11-21 01:31:07,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:07,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:07,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:07,628 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:07,657 INFO L354 Elim1Store]: treesize reduction 127, result has 8.0 percent of original size [2021-11-21 01:31:07,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 584 treesize of output 456 [2021-11-21 01:31:07,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:07,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:07,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:07,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:07,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:07,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:07,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:07,749 INFO L354 Elim1Store]: treesize reduction 218, result has 16.8 percent of original size [2021-11-21 01:31:07,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 565 treesize of output 564 [2021-11-21 01:31:07,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:07,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:07,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:07,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:07,791 INFO L354 Elim1Store]: treesize reduction 127, result has 8.0 percent of original size [2021-11-21 01:31:07,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 572 treesize of output 512 [2021-11-21 01:31:09,045 INFO L354 Elim1Store]: treesize reduction 416, result has 8.4 percent of original size [2021-11-21 01:31:09,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 521 treesize of output 513 [2021-11-21 01:31:10,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:31:10,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:31:10,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:31:10,230 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:31:10,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 66 [2021-11-21 01:31:10,244 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:31:10,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 63 treesize of output 58 [2021-11-21 01:31:10,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:31:10,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:31:10,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:10,751 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 01:31:10,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 94 [2021-11-21 01:31:10,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:10,774 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 01:31:10,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 84 [2021-11-21 01:31:11,275 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 01:31:11,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 14 treesize of output 20 [2021-11-21 01:31:11,325 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:31:11,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:31:11,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:31:11,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:31:11,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:31:11,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 15 treesize of output 1 [2021-11-21 01:31:11,621 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:31:11,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 54 [2021-11-21 01:31:11,641 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 01:31:11,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 62 [2021-11-21 01:31:12,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:31:12,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:12,116 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 01:31:12,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 94 [2021-11-21 01:31:12,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:12,140 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 01:31:12,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 91 treesize of output 84 [2021-11-21 01:31:15,048 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:31:17,323 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 01:31:17,323 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-21 01:31:17,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-11-21 01:31:17,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413746875] [2021-11-21 01:31:17,323 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-21 01:31:17,323 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 01:31:17,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:31:17,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 01:31:17,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=2306, Unknown=0, NotChecked=0, Total=2550 [2021-11-21 01:31:17,325 INFO L87 Difference]: Start difference. First operand 190 states and 224 transitions. Second operand has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:31:18,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:18,437 INFO L93 Difference]: Finished difference Result 286 states and 314 transitions. [2021-11-21 01:31:18,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-21 01:31:18,440 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-21 01:31:18,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:18,441 INFO L225 Difference]: With dead ends: 286 [2021-11-21 01:31:18,442 INFO L226 Difference]: Without dead ends: 286 [2021-11-21 01:31:18,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1542 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=447, Invalid=4109, Unknown=0, NotChecked=0, Total=4556 [2021-11-21 01:31:18,444 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 332 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-21 01:31:18,444 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [332 Valid, 307 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-21 01:31:18,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-11-21 01:31:18,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 182. [2021-11-21 01:31:18,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 158 states have (on average 1.3037974683544304) internal successors, (206), 181 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:31:18,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 206 transitions. [2021-11-21 01:31:18,451 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 206 transitions. Word has length 30 [2021-11-21 01:31:18,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:18,451 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 206 transitions. [2021-11-21 01:31:18,451 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5) internal successors, (30), 12 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:31:18,451 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 206 transitions. [2021-11-21 01:31:18,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 01:31:18,452 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:18,452 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:31:18,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-21 01:31:18,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-21 01:31:18,676 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:31:18,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:18,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1066135460, now seen corresponding path program 1 times [2021-11-21 01:31:18,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:18,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204483178] [2021-11-21 01:31:18,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:18,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:19,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:31:19,075 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:31:19,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204483178] [2021-11-21 01:31:19,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204483178] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:31:19,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832243149] [2021-11-21 01:31:19,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:19,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:19,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:31:19,080 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:31:19,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-21 01:31:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:19,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-21 01:31:19,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:31:19,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-21 01:31:19,248 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:31:19,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-21 01:31:19,252 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-21 01:31:19,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:31:19,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 21 treesize of output 17 [2021-11-21 01:31:19,416 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:31:19,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:31:19,431 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:31:19,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 27 [2021-11-21 01:31:19,504 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-21 01:31:19,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 91 [2021-11-21 01:31:19,523 INFO L354 Elim1Store]: treesize reduction 96, result has 16.5 percent of original size [2021-11-21 01:31:19,523 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 102 treesize of output 77 [2021-11-21 01:31:19,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 71 treesize of output 63 [2021-11-21 01:31:19,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 51 [2021-11-21 01:31:19,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 44 [2021-11-21 01:31:19,909 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 01:31:19,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 29 [2021-11-21 01:31:19,967 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-21 01:31:19,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 16 [2021-11-21 01:31:19,998 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:31:19,998 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:31:20,213 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 98 [2021-11-21 01:31:20,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 387 treesize of output 379 [2021-11-21 01:31:20,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1049 treesize of output 1033 [2021-11-21 01:31:23,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:31:23,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832243149] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:31:23,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1729839803] [2021-11-21 01:31:23,915 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2021-11-21 01:31:23,916 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:31:23,916 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:31:23,916 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:31:23,916 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:31:23,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:23,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:23,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:31:24,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:31:24,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-21 01:31:24,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:31:24,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:31:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2021-11-21 01:31:24,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:31:24,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:31:24,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:31:24,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:31:24,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:31:24,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:31:24,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,368 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:31:24,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:31:24,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-21 01:31:24,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 56 [2021-11-21 01:31:24,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-11-21 01:31:24,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:24,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:31:25,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,206 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 01:31:25,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 63 [2021-11-21 01:31:25,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:31:25,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-11-21 01:31:25,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-11-21 01:31:25,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-11-21 01:31:25,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:25,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-11-21 01:31:26,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 19 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 46 [2021-11-21 01:31:26,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-21 01:31:26,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 57 [2021-11-21 01:31:26,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:26,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-11-21 01:31:27,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,049 INFO L354 Elim1Store]: treesize reduction 88, result has 20.0 percent of original size [2021-11-21 01:31:27,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 263 treesize of output 195 [2021-11-21 01:31:27,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,098 INFO L354 Elim1Store]: treesize reduction 108, result has 19.4 percent of original size [2021-11-21 01:31:27,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 259 treesize of output 256 [2021-11-21 01:31:27,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:27,116 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:27,150 INFO L354 Elim1Store]: treesize reduction 132, result has 18.5 percent of original size [2021-11-21 01:31:27,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 247 treesize of output 247 [2021-11-21 01:31:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:27,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:27,965 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:27,974 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-21 01:31:27,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 522 treesize of output 434 [2021-11-21 01:31:27,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:27,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:27,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:27,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:27,996 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-11-21 01:31:27,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 503 treesize of output 484 [2021-11-21 01:31:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:28,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:28,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:28,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:28,009 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:28,076 INFO L354 Elim1Store]: treesize reduction 88, result has 30.2 percent of original size [2021-11-21 01:31:28,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 484 treesize of output 483 [2021-11-21 01:31:29,497 INFO L354 Elim1Store]: treesize reduction 368, result has 11.1 percent of original size [2021-11-21 01:31:29,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 488 treesize of output 498 [2021-11-21 01:31:30,646 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:30,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:30,647 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:30,785 INFO L354 Elim1Store]: treesize reduction 84, result has 28.8 percent of original size [2021-11-21 01:31:30,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 582 treesize of output 498 [2021-11-21 01:31:30,794 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:30,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:30,795 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:30,902 INFO L354 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2021-11-21 01:31:30,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 566 treesize of output 555 [2021-11-21 01:31:30,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:30,913 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:30,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:30,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:30,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:30,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:30,918 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:30,919 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:30,956 INFO L354 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2021-11-21 01:31:30,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 554 treesize of output 537 [2021-11-21 01:31:34,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:34,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:34,354 INFO L354 Elim1Store]: treesize reduction 220, result has 14.1 percent of original size [2021-11-21 01:31:34,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 773 treesize of output 538 [2021-11-21 01:31:34,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:34,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:34,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:34,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:34,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:34,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:34,609 INFO L354 Elim1Store]: treesize reduction 534, result has 10.7 percent of original size [2021-11-21 01:31:34,609 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 3 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 724 treesize of output 700 [2021-11-21 01:31:34,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:34,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:31:34,806 INFO L354 Elim1Store]: treesize reduction 312, result has 17.0 percent of original size [2021-11-21 01:31:34,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 707 treesize of output 702 [2021-11-21 01:31:37,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:31:37,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:31:37,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:31:37,611 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:31:37,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:31:37,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-11-21 01:31:37,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 29 [2021-11-21 01:31:37,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:37,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 13 [2021-11-21 01:31:37,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:31:37,877 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:31:37,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 119 [2021-11-21 01:31:37,890 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:31:37,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 99 [2021-11-21 01:31:37,903 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 01:31:37,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 104 [2021-11-21 01:31:38,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:31:38,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:31:38,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:31:40,106 INFO L354 Elim1Store]: treesize reduction 86, result has 48.8 percent of original size [2021-11-21 01:31:40,107 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 320 treesize of output 390 [2021-11-21 01:31:40,780 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:31:40,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 94 treesize of output 94 [2021-11-21 01:31:40,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 29 [2021-11-21 01:31:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:31:40,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 13 [2021-11-21 01:31:40,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:31:41,070 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:31:43,638 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 01:31:43,638 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:31:43,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 37 [2021-11-21 01:31:43,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864482080] [2021-11-21 01:31:43,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:31:43,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-21 01:31:43,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:31:43,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-21 01:31:43,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=3046, Unknown=0, NotChecked=0, Total=3306 [2021-11-21 01:31:43,640 INFO L87 Difference]: Start difference. First operand 182 states and 206 transitions. Second operand has 37 states, 37 states have (on average 2.2432432432432434) internal successors, (83), 37 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:31:45,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:45,876 INFO L93 Difference]: Finished difference Result 209 states and 234 transitions. [2021-11-21 01:31:45,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-21 01:31:45,876 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.2432432432432434) internal successors, (83), 37 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-21 01:31:45,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:45,878 INFO L225 Difference]: With dead ends: 209 [2021-11-21 01:31:45,878 INFO L226 Difference]: Without dead ends: 209 [2021-11-21 01:31:45,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 51 SyntacticMatches, 6 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1440 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=477, Invalid=5073, Unknown=0, NotChecked=0, Total=5550 [2021-11-21 01:31:45,880 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 260 mSDsluCounter, 686 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 1736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 415 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-21 01:31:45,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [260 Valid, 735 Invalid, 1736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1224 Invalid, 0 Unknown, 415 Unchecked, 0.9s Time] [2021-11-21 01:31:45,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-11-21 01:31:45,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 180. [2021-11-21 01:31:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 156 states have (on average 1.3012820512820513) internal successors, (203), 179 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:31:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 203 transitions. [2021-11-21 01:31:45,886 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 203 transitions. Word has length 30 [2021-11-21 01:31:45,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:45,886 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 203 transitions. [2021-11-21 01:31:45,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.2432432432432434) internal successors, (83), 37 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-21 01:31:45,887 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 203 transitions. [2021-11-21 01:31:45,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 01:31:45,887 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:45,887 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:31:45,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-21 01:31:46,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-21 01:31:46,100 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr30REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 01:31:46,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:46,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1791242281, now seen corresponding path program 1 times [2021-11-21 01:31:46,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:46,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952991999] [2021-11-21 01:31:46,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:46,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:31:46,322 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:31:46,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952991999] [2021-11-21 01:31:46,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952991999] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:31:46,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914617377] [2021-11-21 01:31:46,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:46,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:46,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:31:46,324 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:31:46,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_189f2ba8-8e78-44a2-bbd8-b61802839719/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-21 01:31:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:46,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 01:31:46,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:31:46,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 6 treesize of output 5 [2021-11-21 01:31:46,453 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:31:46,453 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-21 01:31:46,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 16 treesize of output 12 [2021-11-21 01:31:46,577 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:31:46,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 22 [2021-11-21 01:31:46,638 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 01:31:46,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-11-21 01:31:46,649 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-21 01:31:46,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:31:46,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2021-11-21 01:31:46,799 INFO L354 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2021-11-21 01:31:46,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 49 [2021-11-21 01:31:46,883 INFO L354 Elim1Store]: treesize reduction 70, result has 26.3 percent of original size [2021-11-21 01:31:46,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 48 [2021-11-21 01:31:47,069 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-21 01:31:47,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 01:31:47,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:31:53,185 INFO L354 Elim1Store]: treesize reduction 5, result has 87.8 percent of original size [2021-11-21 01:31:53,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 44 [2021-11-21 01:32:08,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5694 treesize of output 5678 [2021-11-21 01:32:09,106 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-21 01:32:09,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 5650 treesize of output 5649 [2021-11-21 01:32:09,159 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-21 01:32:09,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1987283913] [2021-11-21 01:32:09,162 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2021-11-21 01:32:09,162 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:32:09,163 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 01:32:09,163 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 01:32:09,163 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 01:32:09,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2021-11-21 01:32:09,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:32:09,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:32:09,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-21 01:32:09,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:32:09,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:32:09,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2021-11-21 01:32:09,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 7 [2021-11-21 01:32:09,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:32:09,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-21 01:32:09,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2021-11-21 01:32:09,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-21 01:32:09,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:32:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 01:32:09,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 38 [2021-11-21 01:32:09,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:09,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-11-21 01:32:10,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:32:10,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 56 [2021-11-21 01:32:10,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,359 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 01:32:10,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 63 [2021-11-21 01:32:10,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-11-21 01:32:10,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2021-11-21 01:32:10,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:10,747 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:10,770 INFO L354 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2021-11-21 01:32:10,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 62 [2021-11-21 01:32:10,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,830 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 01:32:10,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 168 treesize of output 130 [2021-11-21 01:32:10,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:10,915 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-21 01:32:10,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 107 treesize of output 119 [2021-11-21 01:32:11,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 31 [2021-11-21 01:32:11,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 65 [2021-11-21 01:32:11,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 72 [2021-11-21 01:32:11,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,328 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2021-11-21 01:32:11,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,773 INFO L354 Elim1Store]: treesize reduction 116, result has 18.3 percent of original size [2021-11-21 01:32:11,773 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 301 treesize of output 213 [2021-11-21 01:32:11,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,829 INFO L354 Elim1Store]: treesize reduction 116, result has 18.3 percent of original size [2021-11-21 01:32:11,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 237 treesize of output 221 [2021-11-21 01:32:11,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:11,890 INFO L354 Elim1Store]: treesize reduction 218, result has 14.2 percent of original size [2021-11-21 01:32:11,890 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 233 treesize of output 233 [2021-11-21 01:32:12,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,171 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:12,191 INFO L354 Elim1Store]: treesize reduction 111, result has 9.0 percent of original size [2021-11-21 01:32:12,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 257 treesize of output 217 [2021-11-21 01:32:12,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,208 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:12,227 INFO L354 Elim1Store]: treesize reduction 111, result has 9.0 percent of original size [2021-11-21 01:32:12,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 238 treesize of output 210 [2021-11-21 01:32:12,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:12,242 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:12,281 INFO L354 Elim1Store]: treesize reduction 186, result has 16.2 percent of original size [2021-11-21 01:32:12,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 219 treesize of output 230 [2021-11-21 01:32:12,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:12,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 26 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 63 [2021-11-21 01:32:13,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:13,214 INFO L354 Elim1Store]: treesize reduction 132, result has 16.5 percent of original size [2021-11-21 01:32:13,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 273 treesize of output 241 [2021-11-21 01:32:13,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,228 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:13,277 INFO L354 Elim1Store]: treesize reduction 132, result has 16.5 percent of original size [2021-11-21 01:32:13,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 275 treesize of output 267 [2021-11-21 01:32:13,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:13,298 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:13,299 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:13,305 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-21 01:32:13,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 250 treesize of output 253 [2021-11-21 01:32:13,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:13,941 INFO L354 Elim1Store]: treesize reduction 148, result has 16.4 percent of original size [2021-11-21 01:32:13,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 502 treesize of output 283 [2021-11-21 01:32:13,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:14,040 INFO L354 Elim1Store]: treesize reduction 220, result has 15.7 percent of original size [2021-11-21 01:32:14,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 398 treesize of output 357 [2021-11-21 01:32:14,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:14,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:14,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:14,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:14,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:14,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:14,176 INFO L354 Elim1Store]: treesize reduction 372, result has 12.9 percent of original size [2021-11-21 01:32:14,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 394 treesize of output 397 [2021-11-21 01:32:15,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:15,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:15,300 INFO L354 Elim1Store]: treesize reduction 252, result has 10.3 percent of original size [2021-11-21 01:32:15,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 742 treesize of output 579 [2021-11-21 01:32:15,534 INFO L354 Elim1Store]: treesize reduction 366, result has 11.6 percent of original size [2021-11-21 01:32:15,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 723 treesize of output 717 [2021-11-21 01:32:15,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:15,550 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:15,694 INFO L354 Elim1Store]: treesize reduction 336, result has 10.9 percent of original size [2021-11-21 01:32:15,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 722 treesize of output 657 [2021-11-21 01:32:15,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:15,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:15,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:15,904 INFO L354 Elim1Store]: treesize reduction 470, result has 14.1 percent of original size [2021-11-21 01:32:15,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 703 treesize of output 705 [2021-11-21 01:32:18,213 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:18,405 INFO L354 Elim1Store]: treesize reduction 200, result has 17.0 percent of original size [2021-11-21 01:32:18,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 776 treesize of output 617 [2021-11-21 01:32:18,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:18,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:18,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:18,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:18,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:18,428 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:18,627 INFO L354 Elim1Store]: treesize reduction 488, result has 11.1 percent of original size [2021-11-21 01:32:18,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 26 case distinctions, treesize of input 720 treesize of output 706 [2021-11-21 01:32:18,640 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:18,744 INFO L354 Elim1Store]: treesize reduction 240, result has 12.1 percent of original size [2021-11-21 01:32:18,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 705 treesize of output 656 [2021-11-21 01:32:23,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:23,899 INFO L354 Elim1Store]: treesize reduction 332, result has 15.9 percent of original size [2021-11-21 01:32:23,899 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 21 case distinctions, treesize of input 1409 treesize of output 730 [2021-11-21 01:32:23,911 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:24,083 INFO L354 Elim1Store]: treesize reduction 424, result has 14.3 percent of original size [2021-11-21 01:32:24,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 21 case distinctions, treesize of input 1055 treesize of output 874 [2021-11-21 01:32:24,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:24,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:24,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:24,391 INFO L354 Elim1Store]: treesize reduction 840, result has 11.1 percent of original size [2021-11-21 01:32:24,391 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 926 treesize of output 925 [2021-11-21 01:32:29,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:29,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:29,748 INFO L354 Elim1Store]: treesize reduction 346, result has 9.4 percent of original size [2021-11-21 01:32:29,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 1193 treesize of output 719 [2021-11-21 01:32:29,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:29,765 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:29,997 INFO L354 Elim1Store]: treesize reduction 584, result has 9.2 percent of original size [2021-11-21 01:32:29,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 27 case distinctions, treesize of input 1174 treesize of output 928 [2021-11-21 01:32:30,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:30,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:30,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:30,311 INFO L354 Elim1Store]: treesize reduction 1252, result has 9.6 percent of original size [2021-11-21 01:32:30,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 1155 treesize of output 1153 [2021-11-21 01:32:32,209 INFO L354 Elim1Store]: treesize reduction 648, result has 10.1 percent of original size [2021-11-21 01:32:32,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 1139 treesize of output 1100 [2021-11-21 01:32:33,924 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:34,191 INFO L354 Elim1Store]: treesize reduction 284, result has 14.5 percent of original size [2021-11-21 01:32:34,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 20 case distinctions, treesize of input 1284 treesize of output 786 [2021-11-21 01:32:34,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:34,449 INFO L354 Elim1Store]: treesize reduction 524, result has 10.1 percent of original size [2021-11-21 01:32:34,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 10 new quantified variables, introduced 27 case distinctions, treesize of input 1105 treesize of output 960 [2021-11-21 01:32:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:34,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:34,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:34,473 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:34,753 INFO L354 Elim1Store]: treesize reduction 920, result has 9.6 percent of original size [2021-11-21 01:32:34,753 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 1094 treesize of output 1075 [2021-11-21 01:32:38,884 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:39,689 INFO L354 Elim1Store]: treesize reduction 388, result has 16.0 percent of original size [2021-11-21 01:32:39,690 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 2489 treesize of output 914 [2021-11-21 01:32:39,707 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:40,345 INFO L354 Elim1Store]: treesize reduction 736, result has 9.5 percent of original size [2021-11-21 01:32:40,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 36 case distinctions, treesize of input 1807 treesize of output 1209 [2021-11-21 01:32:40,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:40,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:40,686 INFO L354 Elim1Store]: treesize reduction 1172, result has 10.5 percent of original size [2021-11-21 01:32:40,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 3 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 1526 treesize of output 1495 [2021-11-21 01:32:46,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:32:47,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:32:47,027 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 01:32:47,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 14 treesize of output 20 [2021-11-21 01:32:47,077 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:32:47,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:32:47,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 19 treesize of output 1 [2021-11-21 01:32:47,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:32:47,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:47,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 13 [2021-11-21 01:32:47,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 29 [2021-11-21 01:32:47,360 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:32:47,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 103 [2021-11-21 01:32:47,379 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:32:47,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 115 [2021-11-21 01:32:47,398 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 01:32:47,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 100 [2021-11-21 01:32:47,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:47,578 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-11-21 01:32:47,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 107 [2021-11-21 01:32:47,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:47,595 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-11-21 01:32:47,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 88 [2021-11-21 01:32:47,610 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 01:32:47,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 81 [2021-11-21 01:32:47,895 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 01:32:47,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 66 treesize of output 77 [2021-11-21 01:32:47,920 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-21 01:32:47,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 73 [2021-11-21 01:32:48,072 INFO L354 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2021-11-21 01:32:48,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 124 treesize of output 119 [2021-11-21 01:32:48,091 INFO L354 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2021-11-21 01:32:48,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 130 treesize of output 125 [2021-11-21 01:32:48,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:48,111 INFO L354 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2021-11-21 01:32:48,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 119 treesize of output 110 [2021-11-21 01:32:48,520 INFO L354 Elim1Store]: treesize reduction 60, result has 20.0 percent of original size [2021-11-21 01:32:48,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 223 treesize of output 148 [2021-11-21 01:32:48,555 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-21 01:32:48,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 166 treesize of output 160 [2021-11-21 01:32:48,596 INFO L354 Elim1Store]: treesize reduction 92, result has 18.6 percent of original size [2021-11-21 01:32:48,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 154 treesize of output 145 [2021-11-21 01:32:48,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 13 treesize of output 9 [2021-11-21 01:32:48,889 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 01:32:48,889 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 1 case distinctions, treesize of input 14 treesize of output 20 [2021-11-21 01:32:48,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:32:48,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 19 treesize of output 1 [2021-11-21 01:32:48,987 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 01:32:48,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2021-11-21 01:32:49,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 33 treesize of output 29 [2021-11-21 01:32:49,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:49,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 25 treesize of output 13 [2021-11-21 01:32:49,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing 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 11 treesize of output 7 [2021-11-21 01:32:49,300 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:32:49,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 124 treesize of output 103 [2021-11-21 01:32:49,320 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 01:32:49,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 115 [2021-11-21 01:32:49,340 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 01:32:49,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 100 [2021-11-21 01:32:49,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:49,552 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-11-21 01:32:49,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 136 treesize of output 107 [2021-11-21 01:32:49,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:49,575 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-11-21 01:32:49,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 88 [2021-11-21 01:32:49,606 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 01:32:49,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 82 treesize of output 81 [2021-11-21 01:32:56,108 INFO L354 Elim1Store]: treesize reduction 136, result has 40.1 percent of original size [2021-11-21 01:32:56,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 20 case distinctions, treesize of input 263 treesize of output 340 [2021-11-21 01:32:58,495 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 01:32:58,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 55 treesize of output 66 [2021-11-21 01:32:59,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:59,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:59,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:59,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:59,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 01:32:59,119 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:59,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:59,204 INFO L354 Elim1Store]: treesize reduction 140, result has 18.1 percent of original size [2021-11-21 01:32:59,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 16 case distinctions, treesize of input 290 treesize of output 307 [2021-11-21 01:32:59,211 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:59,212 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:59,355 INFO L354 Elim1Store]: treesize reduction 72, result has 47.8 percent of original size [2021-11-21 01:32:59,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 307 treesize of output 352 [2021-11-21 01:32:59,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:59,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 01:32:59,433 INFO L354 Elim1Store]: treesize reduction 108, result has 21.7 percent of original size [2021-11-21 01:32:59,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 352 treesize of output 361 [2021-11-21 01:33:35,724 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 01:35:09,819 WARN L227 SmtUtils]: Spent 1.44m on a formula simplification that was a NOOP. DAG size: 124 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-21 01:36:36,096 WARN L227 SmtUtils]: Spent 1.44m on a formula simplification that was a NOOP. DAG size: 126 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-21 01:38:03,547 WARN L227 SmtUtils]: Spent 1.44m on a formula simplification that was a NOOP. DAG size: 136 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)