./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/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_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b05b18c0458ef705f828769f88cc2a590589ce4d5c3f0e48f99be90a949f7ed4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:16:06,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:16:06,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:16:06,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:16:06,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:16:06,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:16:06,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:16:06,816 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:16:06,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:16:06,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:16:06,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:16:06,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:16:06,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:16:06,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:16:06,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:16:06,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:16:06,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:16:06,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:16:06,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:16:06,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:16:06,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:16:06,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:16:06,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:16:06,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:16:06,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:16:06,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:16:06,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:16:06,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:16:06,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:16:06,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:16:06,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:16:06,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:16:06,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:16:06,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:16:06,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:16:06,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:16:06,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:16:06,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:16:06,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:16:06,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:16:06,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:16:06,867 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-21 00:16:06,893 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:16:06,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:16:06,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:16:06,894 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:16:06,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:16:06,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:16:06,896 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:16:06,896 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:16:06,896 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:16:06,896 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:16:06,896 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:16:06,897 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:16:06,897 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:16:06,897 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:16:06,897 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:16:06,898 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:16:06,898 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:16:06,898 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:16:06,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 00:16:06,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 00:16:06,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:16:06,899 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 00:16:06,900 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 00:16:06,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:16:06,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 00:16:06,900 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:16:06,901 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 00:16:06,901 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 00:16:06,901 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 00:16:06,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:16:06,901 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 00:16:06,902 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 00:16:06,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:16:06,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:16:06,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:16:06,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:16:06,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:16:06,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:16:06,903 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:16:06,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:16:06,904 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:16:06,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:16:06,904 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_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b05b18c0458ef705f828769f88cc2a590589ce4d5c3f0e48f99be90a949f7ed4 [2021-11-21 00:16:07,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:16:07,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:16:07,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:16:07,209 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:16:07,212 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:16:07,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2021-11-21 00:16:07,300 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/data/b557bf252/b4c3560336f1424d8f5ff1798606d102/FLAG8d6d253d1 [2021-11-21 00:16:07,819 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:16:07,820 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2021-11-21 00:16:07,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/data/b557bf252/b4c3560336f1424d8f5ff1798606d102/FLAG8d6d253d1 [2021-11-21 00:16:08,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/data/b557bf252/b4c3560336f1424d8f5ff1798606d102 [2021-11-21 00:16:08,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:16:08,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:16:08,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:16:08,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:16:08,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:16:08,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:16:08" (1/1) ... [2021-11-21 00:16:08,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57862020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08, skipping insertion in model container [2021-11-21 00:16:08,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:16:08" (1/1) ... [2021-11-21 00:16:08,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:16:08,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:16:08,515 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_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22534,22547] [2021-11-21 00:16:08,519 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_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22606,22619] [2021-11-21 00:16:08,522 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_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22746,22759] [2021-11-21 00:16:08,523 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_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22820,22833] [2021-11-21 00:16:08,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:16:08,545 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:16:08,615 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_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22534,22547] [2021-11-21 00:16:08,618 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_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22606,22619] [2021-11-21 00:16:08,621 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_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22746,22759] [2021-11-21 00:16:08,624 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_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i[22820,22833] [2021-11-21 00:16:08,630 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:16:08,666 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:16:08,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08 WrapperNode [2021-11-21 00:16:08,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:16:08,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:16:08,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:16:08,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:16:08,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08" (1/1) ... [2021-11-21 00:16:08,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08" (1/1) ... [2021-11-21 00:16:08,746 INFO L137 Inliner]: procedures = 119, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 134 [2021-11-21 00:16:08,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:16:08,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:16:08,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:16:08,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:16:08,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08" (1/1) ... [2021-11-21 00:16:08,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08" (1/1) ... [2021-11-21 00:16:08,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08" (1/1) ... [2021-11-21 00:16:08,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08" (1/1) ... [2021-11-21 00:16:08,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08" (1/1) ... [2021-11-21 00:16:08,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08" (1/1) ... [2021-11-21 00:16:08,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08" (1/1) ... [2021-11-21 00:16:08,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:16:08,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:16:08,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:16:08,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:16:08,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08" (1/1) ... [2021-11-21 00:16:08,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:16:08,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:16:08,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:16:08,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:16:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:16:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:16:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:16:08,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:16:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:16:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:16:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:16:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:16:08,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:16:08,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:16:09,008 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:16:09,010 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:16:09,428 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:16:09,473 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:16:09,473 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-21 00:16:09,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:16:09 BoogieIcfgContainer [2021-11-21 00:16:09,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:16:09,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:16:09,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:16:09,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:16:09,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:16:08" (1/3) ... [2021-11-21 00:16:09,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc7f2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:16:09, skipping insertion in model container [2021-11-21 00:16:09,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:16:08" (2/3) ... [2021-11-21 00:16:09,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc7f2cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:16:09, skipping insertion in model container [2021-11-21 00:16:09,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:16:09" (3/3) ... [2021-11-21 00:16:09,485 INFO L111 eAbstractionObserver]: Analyzing ICFG sll-rb-sentinel-1.i [2021-11-21 00:16:09,496 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:16:09,496 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 61 error locations. [2021-11-21 00:16:09,534 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:16:09,541 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 00:16:09,542 INFO L340 AbstractCegarLoop]: Starting to check reachability of 61 error locations. [2021-11-21 00:16:09,559 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 00:16:09,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-21 00:16:09,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:09,566 INFO L514 BasicCegarLoop]: trace histogram [1, 1] [2021-11-21 00:16:09,566 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 00:16:09,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:09,572 INFO L85 PathProgramCache]: Analyzing trace with hash 8374, now seen corresponding path program 1 times [2021-11-21 00:16:09,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:09,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024626044] [2021-11-21 00:16:09,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:09,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:09,789 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 00:16:09,790 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:09,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024626044] [2021-11-21 00:16:09,791 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024626044] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:09,792 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:09,792 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 00:16:09,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093353432] [2021-11-21 00:16:09,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:09,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:16:09,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:09,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:16:09,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:16:09,838 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 00:16:10,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:10,032 INFO L93 Difference]: Finished difference Result 144 states and 151 transitions. [2021-11-21 00:16:10,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:16:10,035 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 00:16:10,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:10,044 INFO L225 Difference]: With dead ends: 144 [2021-11-21 00:16:10,045 INFO L226 Difference]: Without dead ends: 143 [2021-11-21 00:16:10,046 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 00:16:10,050 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, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:16:10,051 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 80 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 00:16:10,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-11-21 00:16:10,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 119. [2021-11-21 00:16:10,089 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 00:16:10,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 127 transitions. [2021-11-21 00:16:10,093 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 127 transitions. Word has length 2 [2021-11-21 00:16:10,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:10,093 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 127 transitions. [2021-11-21 00:16:10,093 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 00:16:10,094 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 127 transitions. [2021-11-21 00:16:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-21 00:16:10,094 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:10,094 INFO L514 BasicCegarLoop]: trace histogram [1, 1] [2021-11-21 00:16:10,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:16:10,095 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 00:16:10,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:10,096 INFO L85 PathProgramCache]: Analyzing trace with hash 8375, now seen corresponding path program 1 times [2021-11-21 00:16:10,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:10,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983332299] [2021-11-21 00:16:10,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:10,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:10,138 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 00:16:10,138 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:10,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983332299] [2021-11-21 00:16:10,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983332299] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:10,139 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:10,139 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-21 00:16:10,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114595448] [2021-11-21 00:16:10,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:10,141 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:16:10,141 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:10,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:16:10,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:16:10,142 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 00:16:10,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:10,235 INFO L93 Difference]: Finished difference Result 116 states and 123 transitions. [2021-11-21 00:16:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:16:10,238 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 00:16:10,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:10,239 INFO L225 Difference]: With dead ends: 116 [2021-11-21 00:16:10,240 INFO L226 Difference]: Without dead ends: 116 [2021-11-21 00:16:10,240 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 00:16:10,242 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 00:16:10,242 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 00:16:10,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-21 00:16:10,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2021-11-21 00:16:10,251 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 00:16:10,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 123 transitions. [2021-11-21 00:16:10,254 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 123 transitions. Word has length 2 [2021-11-21 00:16:10,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:10,254 INFO L470 AbstractCegarLoop]: Abstraction has 116 states and 123 transitions. [2021-11-21 00:16:10,254 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 00:16:10,255 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 123 transitions. [2021-11-21 00:16:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 00:16:10,255 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:10,255 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 00:16:10,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:16:10,256 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 00:16:10,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:10,257 INFO L85 PathProgramCache]: Analyzing trace with hash 8054028, now seen corresponding path program 1 times [2021-11-21 00:16:10,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:10,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927089249] [2021-11-21 00:16:10,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:10,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:10,300 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 00:16:10,301 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:10,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927089249] [2021-11-21 00:16:10,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927089249] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:10,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:10,302 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:16:10,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128694168] [2021-11-21 00:16:10,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:10,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:16:10,303 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:10,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:16:10,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:16:10,304 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 00:16:10,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:10,393 INFO L93 Difference]: Finished difference Result 113 states and 119 transitions. [2021-11-21 00:16:10,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:16:10,394 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 00:16:10,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:10,395 INFO L225 Difference]: With dead ends: 113 [2021-11-21 00:16:10,395 INFO L226 Difference]: Without dead ends: 113 [2021-11-21 00:16:10,396 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 00:16:10,397 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 00:16:10,398 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 00:16:10,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-11-21 00:16:10,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2021-11-21 00:16:10,406 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 00:16:10,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 119 transitions. [2021-11-21 00:16:10,408 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 119 transitions. Word has length 4 [2021-11-21 00:16:10,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:10,408 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 119 transitions. [2021-11-21 00:16:10,408 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 00:16:10,409 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 119 transitions. [2021-11-21 00:16:10,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 00:16:10,409 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:10,409 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-21 00:16:10,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:16:10,410 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 00:16:10,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:10,411 INFO L85 PathProgramCache]: Analyzing trace with hash 8054029, now seen corresponding path program 1 times [2021-11-21 00:16:10,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:10,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167084028] [2021-11-21 00:16:10,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:10,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:10,460 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 00:16:10,461 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:10,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167084028] [2021-11-21 00:16:10,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167084028] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:10,461 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:10,461 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-21 00:16:10,462 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407892565] [2021-11-21 00:16:10,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:10,462 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:16:10,463 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:10,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:16:10,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:16:10,464 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 00:16:10,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:10,567 INFO L93 Difference]: Finished difference Result 126 states and 132 transitions. [2021-11-21 00:16:10,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:16:10,568 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 00:16:10,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:10,569 INFO L225 Difference]: With dead ends: 126 [2021-11-21 00:16:10,569 INFO L226 Difference]: Without dead ends: 126 [2021-11-21 00:16:10,570 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 00:16:10,571 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 00:16:10,572 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 00:16:10,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-11-21 00:16:10,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 114. [2021-11-21 00:16:10,579 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 00:16:10,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 122 transitions. [2021-11-21 00:16:10,581 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 122 transitions. Word has length 4 [2021-11-21 00:16:10,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:10,581 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 122 transitions. [2021-11-21 00:16:10,581 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 00:16:10,581 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 122 transitions. [2021-11-21 00:16:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 00:16:10,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:10,582 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:16:10,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:16:10,583 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 00:16:10,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:10,584 INFO L85 PathProgramCache]: Analyzing trace with hash -812908213, now seen corresponding path program 1 times [2021-11-21 00:16:10,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:10,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939971674] [2021-11-21 00:16:10,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:10,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:10,652 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 00:16:10,653 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:10,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939971674] [2021-11-21 00:16:10,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939971674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:10,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:10,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:16:10,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406954504] [2021-11-21 00:16:10,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:10,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:16:10,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:10,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:16:10,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:16:10,655 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 00:16:10,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:10,794 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2021-11-21 00:16:10,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:16:10,795 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 00:16:10,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:10,796 INFO L225 Difference]: With dead ends: 116 [2021-11-21 00:16:10,796 INFO L226 Difference]: Without dead ends: 116 [2021-11-21 00:16:10,796 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 00:16:10,798 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 00:16:10,798 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 00:16:10,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2021-11-21 00:16:10,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 105. [2021-11-21 00:16:10,804 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 00:16:10,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 115 transitions. [2021-11-21 00:16:10,806 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 115 transitions. Word has length 8 [2021-11-21 00:16:10,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:10,806 INFO L470 AbstractCegarLoop]: Abstraction has 105 states and 115 transitions. [2021-11-21 00:16:10,806 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 00:16:10,807 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 115 transitions. [2021-11-21 00:16:10,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 00:16:10,807 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:10,807 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:16:10,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:16:10,808 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 00:16:10,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:10,809 INFO L85 PathProgramCache]: Analyzing trace with hash -812908212, now seen corresponding path program 1 times [2021-11-21 00:16:10,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:10,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705168870] [2021-11-21 00:16:10,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:10,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:10,975 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 00:16:10,976 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:10,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705168870] [2021-11-21 00:16:10,976 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705168870] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:10,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:10,977 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:16:10,977 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750164000] [2021-11-21 00:16:10,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:10,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:16:10,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:10,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:16:10,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:16:10,979 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 00:16:11,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:11,246 INFO L93 Difference]: Finished difference Result 135 states and 145 transitions. [2021-11-21 00:16:11,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:16:11,247 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 00:16:11,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:11,248 INFO L225 Difference]: With dead ends: 135 [2021-11-21 00:16:11,248 INFO L226 Difference]: Without dead ends: 135 [2021-11-21 00:16:11,248 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 00:16:11,249 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, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:16:11,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 104 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-21 00:16:11,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2021-11-21 00:16:11,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 111. [2021-11-21 00:16:11,262 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 00:16:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 122 transitions. [2021-11-21 00:16:11,266 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 122 transitions. Word has length 8 [2021-11-21 00:16:11,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:11,266 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 122 transitions. [2021-11-21 00:16:11,266 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 00:16:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 122 transitions. [2021-11-21 00:16:11,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 00:16:11,267 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:11,268 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:16:11,268 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:16:11,269 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 00:16:11,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:11,271 INFO L85 PathProgramCache]: Analyzing trace with hash 479237399, now seen corresponding path program 1 times [2021-11-21 00:16:11,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:11,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968442952] [2021-11-21 00:16:11,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:11,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:11,358 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 00:16:11,358 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:11,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968442952] [2021-11-21 00:16:11,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968442952] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:11,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:11,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:16:11,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973215644] [2021-11-21 00:16:11,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:11,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:16:11,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:11,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:16:11,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:16:11,361 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 00:16:11,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:11,524 INFO L93 Difference]: Finished difference Result 144 states and 154 transitions. [2021-11-21 00:16:11,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:16:11,525 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 00:16:11,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:11,527 INFO L225 Difference]: With dead ends: 144 [2021-11-21 00:16:11,527 INFO L226 Difference]: Without dead ends: 144 [2021-11-21 00:16:11,528 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 00:16:11,529 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 00:16:11,530 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 00:16:11,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-11-21 00:16:11,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 112. [2021-11-21 00:16:11,545 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 00:16:11,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 123 transitions. [2021-11-21 00:16:11,546 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 123 transitions. Word has length 10 [2021-11-21 00:16:11,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:11,547 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 123 transitions. [2021-11-21 00:16:11,547 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 00:16:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2021-11-21 00:16:11,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 00:16:11,548 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:11,548 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:16:11,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 00:16:11,548 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 00:16:11,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:11,552 INFO L85 PathProgramCache]: Analyzing trace with hash 479463659, now seen corresponding path program 1 times [2021-11-21 00:16:11,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:11,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188959164] [2021-11-21 00:16:11,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:11,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:11,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:11,636 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 00:16:11,636 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:11,636 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188959164] [2021-11-21 00:16:11,636 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188959164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:11,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:11,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:16:11,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574158036] [2021-11-21 00:16:11,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:11,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:16:11,641 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:11,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:16:11,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:16:11,642 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 00:16:11,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:11,775 INFO L93 Difference]: Finished difference Result 111 states and 122 transitions. [2021-11-21 00:16:11,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:16:11,776 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 00:16:11,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:11,777 INFO L225 Difference]: With dead ends: 111 [2021-11-21 00:16:11,777 INFO L226 Difference]: Without dead ends: 111 [2021-11-21 00:16:11,778 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 00:16:11,779 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 00:16:11,779 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 00:16:11,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-11-21 00:16:11,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2021-11-21 00:16:11,783 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 00:16:11,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 122 transitions. [2021-11-21 00:16:11,784 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 122 transitions. Word has length 10 [2021-11-21 00:16:11,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:11,784 INFO L470 AbstractCegarLoop]: Abstraction has 111 states and 122 transitions. [2021-11-21 00:16:11,785 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 00:16:11,785 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 122 transitions. [2021-11-21 00:16:11,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 00:16:11,785 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:11,786 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:16:11,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 00:16:11,786 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 00:16:11,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:11,787 INFO L85 PathProgramCache]: Analyzing trace with hash 479463660, now seen corresponding path program 1 times [2021-11-21 00:16:11,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:11,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650449901] [2021-11-21 00:16:11,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:11,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:11,874 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 00:16:11,875 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:11,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650449901] [2021-11-21 00:16:11,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650449901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:11,875 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:11,875 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:16:11,876 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218135154] [2021-11-21 00:16:11,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:11,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:16:11,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:11,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:16:11,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:16:11,878 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 00:16:12,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:12,051 INFO L93 Difference]: Finished difference Result 111 states and 123 transitions. [2021-11-21 00:16:12,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:16:12,051 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 00:16:12,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:12,052 INFO L225 Difference]: With dead ends: 111 [2021-11-21 00:16:12,052 INFO L226 Difference]: Without dead ends: 111 [2021-11-21 00:16:12,053 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 00:16:12,053 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 00:16:12,054 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 00:16:12,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2021-11-21 00:16:12,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 106. [2021-11-21 00:16:12,057 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 00:16:12,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 117 transitions. [2021-11-21 00:16:12,058 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 117 transitions. Word has length 10 [2021-11-21 00:16:12,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:12,058 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 117 transitions. [2021-11-21 00:16:12,058 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 00:16:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 117 transitions. [2021-11-21 00:16:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-21 00:16:12,059 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:12,059 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:16:12,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 00:16:12,059 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 00:16:12,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:12,060 INFO L85 PathProgramCache]: Analyzing trace with hash 494053857, now seen corresponding path program 1 times [2021-11-21 00:16:12,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:12,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533235195] [2021-11-21 00:16:12,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:12,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:12,188 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 00:16:12,188 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:12,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533235195] [2021-11-21 00:16:12,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533235195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:12,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:12,189 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-21 00:16:12,189 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447488326] [2021-11-21 00:16:12,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:12,189 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-21 00:16:12,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:12,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-21 00:16:12,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:16:12,191 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 00:16:12,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:12,395 INFO L93 Difference]: Finished difference Result 158 states and 174 transitions. [2021-11-21 00:16:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-21 00:16:12,395 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 00:16:12,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:12,396 INFO L225 Difference]: With dead ends: 158 [2021-11-21 00:16:12,397 INFO L226 Difference]: Without dead ends: 158 [2021-11-21 00:16:12,397 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 00:16:12,398 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 207 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 00:16:12,398 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 00:16:12,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-11-21 00:16:12,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 113. [2021-11-21 00:16:12,401 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 00:16:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2021-11-21 00:16:12,402 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 13 [2021-11-21 00:16:12,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:12,402 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2021-11-21 00:16:12,402 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 00:16:12,402 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2021-11-21 00:16:12,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 00:16:12,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:12,403 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:16:12,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 00:16:12,404 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 00:16:12,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:12,405 INFO L85 PathProgramCache]: Analyzing trace with hash 947851196, now seen corresponding path program 1 times [2021-11-21 00:16:12,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:12,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939504240] [2021-11-21 00:16:12,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:12,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:12,444 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 00:16:12,445 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:12,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939504240] [2021-11-21 00:16:12,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939504240] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:12,445 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:12,445 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:16:12,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345462008] [2021-11-21 00:16:12,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:12,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:16:12,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:12,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:16:12,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:16:12,447 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 00:16:12,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:12,571 INFO L93 Difference]: Finished difference Result 112 states and 124 transitions. [2021-11-21 00:16:12,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:16:12,571 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 00:16:12,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:12,572 INFO L225 Difference]: With dead ends: 112 [2021-11-21 00:16:12,572 INFO L226 Difference]: Without dead ends: 112 [2021-11-21 00:16:12,573 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 00:16:12,573 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 00:16:12,574 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 00:16:12,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2021-11-21 00:16:12,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2021-11-21 00:16:12,576 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 00:16:12,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 124 transitions. [2021-11-21 00:16:12,577 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 124 transitions. Word has length 15 [2021-11-21 00:16:12,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:12,577 INFO L470 AbstractCegarLoop]: Abstraction has 112 states and 124 transitions. [2021-11-21 00:16:12,578 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 00:16:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 124 transitions. [2021-11-21 00:16:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-21 00:16:12,578 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:12,578 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:16:12,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 00:16:12,579 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 00:16:12,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:12,581 INFO L85 PathProgramCache]: Analyzing trace with hash 947851197, now seen corresponding path program 1 times [2021-11-21 00:16:12,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:12,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953623153] [2021-11-21 00:16:12,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:12,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:12,676 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 00:16:12,677 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:12,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953623153] [2021-11-21 00:16:12,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953623153] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:12,677 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:16:12,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:16:12,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86163008] [2021-11-21 00:16:12,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:12,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:16:12,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:12,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:16:12,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:16:12,679 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 00:16:12,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:12,791 INFO L93 Difference]: Finished difference Result 109 states and 121 transitions. [2021-11-21 00:16:12,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:16:12,792 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 00:16:12,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:12,793 INFO L225 Difference]: With dead ends: 109 [2021-11-21 00:16:12,793 INFO L226 Difference]: Without dead ends: 109 [2021-11-21 00:16:12,793 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 00:16:12,794 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 00:16:12,794 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 00:16:12,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-11-21 00:16:12,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 104. [2021-11-21 00:16:12,797 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 00:16:12,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 115 transitions. [2021-11-21 00:16:12,797 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 115 transitions. Word has length 15 [2021-11-21 00:16:12,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:12,798 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 115 transitions. [2021-11-21 00:16:12,798 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 00:16:12,798 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 115 transitions. [2021-11-21 00:16:12,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 00:16:12,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:12,799 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 00:16:12,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 00:16:12,799 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 00:16:12,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:12,801 INFO L85 PathProgramCache]: Analyzing trace with hash 405330386, now seen corresponding path program 1 times [2021-11-21 00:16:12,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:12,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524306292] [2021-11-21 00:16:12,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:12,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:12,890 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 00:16:12,890 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:12,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524306292] [2021-11-21 00:16:12,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524306292] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:16:12,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370742212] [2021-11-21 00:16:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:12,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:16:12,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:16:12,896 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:16:12,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 00:16:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:12,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 00:16:12,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:16:13,108 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 00:16:13,129 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 00:16:13,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:13,202 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 00:16:13,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:13,211 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 00:16:13,404 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 00:16:13,409 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 00:16:13,419 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 00:16:13,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:16:13,593 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 00:16:13,593 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370742212] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:16:13,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [904734770] [2021-11-21 00:16:13,619 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2021-11-21 00:16:13,620 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:16:13,625 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:16:13,631 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:16:13,632 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:16:13,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:13,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:13,716 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 00:16:13,762 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 00:16:13,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:13,783 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 00:16:13,806 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 00:16:13,855 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 00:16:13,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:13,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:13,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:13,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:13,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:13,889 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 00:16:13,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:13,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:13,918 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 00:16:13,940 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 00:16:14,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:14,044 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 00:16:14,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:14,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:14,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:14,068 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 00:16:14,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:14,108 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 00:16:14,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:14,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:14,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:14,216 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 00:16:14,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:14,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:14,270 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 00:16:14,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:14,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:14,298 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 00:16:16,892 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:16:18,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [904734770] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:16:18,036 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:16:18,036 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5, 6, 5] total 17 [2021-11-21 00:16:18,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981915062] [2021-11-21 00:16:18,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:16:18,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-21 00:16:18,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:18,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-21 00:16:18,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-21 00:16:18,039 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 00:16:18,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:18,574 INFO L93 Difference]: Finished difference Result 154 states and 169 transitions. [2021-11-21 00:16:18,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 00:16:18,575 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 00:16:18,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:18,576 INFO L225 Difference]: With dead ends: 154 [2021-11-21 00:16:18,576 INFO L226 Difference]: Without dead ends: 154 [2021-11-21 00:16:18,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-11-21 00:16:18,577 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 62 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 00:16:18,578 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 00:16:18,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-21 00:16:18,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 123. [2021-11-21 00:16:18,582 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 00:16:18,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 137 transitions. [2021-11-21 00:16:18,583 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 137 transitions. Word has length 19 [2021-11-21 00:16:18,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:18,583 INFO L470 AbstractCegarLoop]: Abstraction has 123 states and 137 transitions. [2021-11-21 00:16:18,583 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 00:16:18,584 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 137 transitions. [2021-11-21 00:16:18,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-21 00:16:18,585 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:18,585 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 00:16:18,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-21 00:16:18,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:16:18,800 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 00:16:18,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:18,800 INFO L85 PathProgramCache]: Analyzing trace with hash -360214418, now seen corresponding path program 1 times [2021-11-21 00:16:18,800 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:18,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559972754] [2021-11-21 00:16:18,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:18,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:19,169 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 00:16:19,169 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:19,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559972754] [2021-11-21 00:16:19,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559972754] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:16:19,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343396815] [2021-11-21 00:16:19,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:19,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:16:19,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:16:19,172 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:16:19,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-21 00:16:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:19,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 00:16:19,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:16:19,264 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 00:16:19,289 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 00:16:19,334 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:16:19,334 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 00:16:19,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:19,380 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 00:16:19,387 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 00:16:19,423 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 00:16:19,448 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 00:16:19,479 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 00:16:19,480 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 00:16:19,662 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-21 00:16:19,663 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 00:16:19,669 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 00:16:19,669 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:16:30,292 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 00:16:30,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343396815] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:16:30,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1287246171] [2021-11-21 00:16:30,297 INFO L159 IcfgInterpreter]: Started Sifa with 19 locations of interest [2021-11-21 00:16:30,298 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:16:30,298 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:16:30,299 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:16:30,299 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:16:30,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,365 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 00:16:30,405 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:16:30,433 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 00:16:30,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,452 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 00:16:30,502 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 00:16:30,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,517 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 00:16:30,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,556 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 00:16:30,581 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 00:16:30,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,621 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 00:16:30,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,663 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 00:16:30,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,693 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 00:16:30,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,770 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 00:16:30,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,840 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 00:16:30,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:30,884 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 00:16:31,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,205 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 00:16:31,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,318 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 00:16:31,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,356 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 00:16:31,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,425 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 00:16:31,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,707 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 00:16:31,708 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 00:16:31,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,763 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 00:16:31,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:31,815 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:31,834 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:16:31,835 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 00:16:32,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,161 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 00:16:32,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 00:16:32,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,256 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 00:16:32,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,582 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 00:16:32,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:32,934 INFO L354 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2021-11-21 00:16:32,935 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 00:16:32,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:32,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:33,055 INFO L354 Elim1Store]: treesize reduction 164, result has 16.8 percent of original size [2021-11-21 00:16:33,056 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 00:16:33,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:33,119 INFO L354 Elim1Store]: treesize reduction 77, result has 18.9 percent of original size [2021-11-21 00:16:33,119 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 00:16:34,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:34,860 INFO L354 Elim1Store]: treesize reduction 120, result has 20.0 percent of original size [2021-11-21 00:16:34,860 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 00:16:34,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:34,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:34,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:34,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:34,879 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:34,952 INFO L354 Elim1Store]: treesize reduction 282, result has 15.1 percent of original size [2021-11-21 00:16:34,952 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 00:16:34,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:35,011 INFO L354 Elim1Store]: treesize reduction 116, result has 22.7 percent of original size [2021-11-21 00:16:35,012 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 00:16:36,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:36,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:36,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:36,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:36,399 INFO L354 Elim1Store]: treesize reduction 127, result has 8.0 percent of original size [2021-11-21 00:16:36,399 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 00:16:36,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:36,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:36,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:36,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:36,444 INFO L354 Elim1Store]: treesize reduction 127, result has 8.0 percent of original size [2021-11-21 00:16:36,445 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 00:16:36,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:36,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:36,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:36,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:36,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:36,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:36,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:16:36,514 INFO L354 Elim1Store]: treesize reduction 218, result has 16.8 percent of original size [2021-11-21 00:16:36,514 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 00:16:37,507 INFO L354 Elim1Store]: treesize reduction 402, result has 11.5 percent of original size [2021-11-21 00:16:37,508 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 00:16:38,342 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 00:16:38,361 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 00:16:38,377 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 00:16:38,477 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 00:16:38,521 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 00:16:38,521 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 00:16:38,540 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:16:38,540 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 00:16:39,032 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 00:16:39,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:39,069 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:16:39,069 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 00:16:39,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:39,093 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:16:39,093 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 00:16:39,704 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:16:39,704 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 00:16:39,730 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 00:16:39,766 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 00:16:39,773 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 00:16:39,780 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 00:16:39,882 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:16:39,882 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 00:16:39,902 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 00:16:39,903 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 00:16:40,059 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 00:16:40,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:40,152 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 00:16:40,166 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 00:16:40,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:40,191 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 00:16:40,776 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:16:41,832 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 00:16:41,832 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:16:41,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 10, 11] total 28 [2021-11-21 00:16:41,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728785457] [2021-11-21 00:16:41,832 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 00:16:41,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-21 00:16:41,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:16:41,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-21 00:16:41,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1574, Unknown=10, NotChecked=0, Total=1806 [2021-11-21 00:16:41,835 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 00:16:44,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:16:44,983 INFO L93 Difference]: Finished difference Result 365 states and 403 transitions. [2021-11-21 00:16:44,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-21 00:16:44,983 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 00:16:44,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:16:44,985 INFO L225 Difference]: With dead ends: 365 [2021-11-21 00:16:44,985 INFO L226 Difference]: Without dead ends: 365 [2021-11-21 00:16:44,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 32 SyntacticMatches, 3 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1169 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=554, Invalid=3095, Unknown=11, NotChecked=0, Total=3660 [2021-11-21 00:16:44,988 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 553 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 00:16:44,988 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 00:16:44,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-11-21 00:16:44,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 142. [2021-11-21 00:16:44,993 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 00:16:44,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 160 transitions. [2021-11-21 00:16:44,994 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 160 transitions. Word has length 20 [2021-11-21 00:16:44,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:16:44,994 INFO L470 AbstractCegarLoop]: Abstraction has 142 states and 160 transitions. [2021-11-21 00:16:44,995 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 00:16:44,995 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 160 transitions. [2021-11-21 00:16:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 00:16:44,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:16:44,996 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 00:16:45,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-21 00:16:45,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:16:45,216 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 00:16:45,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:16:45,216 INFO L85 PathProgramCache]: Analyzing trace with hash -2088284808, now seen corresponding path program 1 times [2021-11-21 00:16:45,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:16:45,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024027464] [2021-11-21 00:16:45,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:45,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:16:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:45,676 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 00:16:45,676 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:16:45,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024027464] [2021-11-21 00:16:45,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024027464] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:16:45,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104790614] [2021-11-21 00:16:45,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:16:45,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:16:45,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:16:45,678 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:16:45,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-21 00:16:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:16:45,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 00:16:45,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:16:45,755 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 00:16:45,779 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 00:16:45,823 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:16:45,824 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 00:16:45,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:16:45,858 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 00:16:45,864 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 00:16:45,908 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 00:16:45,941 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 00:16:45,983 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 00:16:45,995 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:16:45,996 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 00:16:46,033 INFO L354 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2021-11-21 00:16:46,034 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 00:16:46,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:16:46,083 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 00:16:46,145 INFO L354 Elim1Store]: treesize reduction 41, result has 31.7 percent of original size [2021-11-21 00:16:46,145 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 00:16:46,203 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 00:16:46,204 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 00:16:46,356 INFO L354 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2021-11-21 00:16:46,357 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 00:16:46,363 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 00:16:46,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:16:49,482 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_ULTIMATE.start_main_~end~0#1.offset_108| Int) (v_DerPreprocessor_5 Int)) (= (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset|))) (store |c_#memory_int| .cse0 (store (store (select |c_#memory_int| .cse0) |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)) ~unnamed1~0~BLACK)) is different from false [2021-11-21 00:17:05,798 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-21 00:17:05,799 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 00:17:07,821 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 00:17:25,036 WARN L227 SmtUtils]: Spent 8.96s 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 00:17:25,047 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-21 00:17:25,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [153507437] [2021-11-21 00:17:25,049 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-21 00:17:25,050 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:17:25,050 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:17:25,050 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:17:25,050 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:17:25,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,083 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 00:17:25,146 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 00:17:25,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,168 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 00:17:25,193 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 00:17:25,231 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 00:17:25,242 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 00:17:25,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,268 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 00:17:25,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,287 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 00:17:25,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,322 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 00:17:25,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,349 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 00:17:25,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,405 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 00:17:25,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,497 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 00:17:25,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,518 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 00:17:25,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,565 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 00:17:25,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,784 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 00:17:25,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:25,968 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 00:17:26,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,042 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 00:17:26,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,102 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 00:17:26,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,359 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 00:17:26,359 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 81 treesize of output 63 [2021-11-21 00:17:26,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,430 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 00:17:26,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,470 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 00:17:26,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,721 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-11-21 00:17:26,721 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 00:17:26,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,788 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:17:26,789 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 00:17:26,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,874 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-21 00:17:26,874 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 00:17:26,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:26,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,004 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 00:17:27,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,115 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 00:17:27,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,222 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 00:17:27,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,304 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 00:17:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,668 INFO L354 Elim1Store]: treesize reduction 116, result has 18.3 percent of original size [2021-11-21 00:17:27,669 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 00:17:27,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,720 INFO L354 Elim1Store]: treesize reduction 116, result has 18.3 percent of original size [2021-11-21 00:17:27,720 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 00:17:27,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:27,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:27,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:27,784 INFO L354 Elim1Store]: treesize reduction 132, result has 18.5 percent of original size [2021-11-21 00:17:27,785 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 00:17:28,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,060 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-21 00:17:28,061 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 00:17:28,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:28,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:28,081 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:28,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,123 INFO L354 Elim1Store]: treesize reduction 88, result has 25.4 percent of original size [2021-11-21 00:17:28,123 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 00:17:28,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,146 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-21 00:17:28,147 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 00:17:28,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:28,721 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 00:17:28,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,039 INFO L354 Elim1Store]: treesize reduction 88, result has 20.0 percent of original size [2021-11-21 00:17:29,040 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 00:17:29,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:29,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:29,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:29,073 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-21 00:17:29,074 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 00:17:29,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,141 INFO L354 Elim1Store]: treesize reduction 112, result has 18.8 percent of original size [2021-11-21 00:17:29,141 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 00:17:29,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,749 INFO L354 Elim1Store]: treesize reduction 136, result has 17.6 percent of original size [2021-11-21 00:17:29,749 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 00:17:29,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,780 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:29,781 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:29,839 INFO L354 Elim1Store]: treesize reduction 236, result has 16.0 percent of original size [2021-11-21 00:17:29,839 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 00:17:29,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:29,907 INFO L354 Elim1Store]: treesize reduction 208, result has 16.5 percent of original size [2021-11-21 00:17:29,907 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 00:17:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,471 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-11-21 00:17:30,472 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 00:17:30,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,497 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-11-21 00:17:30,497 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 00:17:30,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:30,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:30,520 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:30,617 INFO L354 Elim1Store]: treesize reduction 180, result has 20.0 percent of original size [2021-11-21 00:17:30,617 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 00:17:30,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:30,864 INFO L354 Elim1Store]: treesize reduction 542, result has 8.6 percent of original size [2021-11-21 00:17:30,864 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 00:17:31,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:31,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:31,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:31,471 INFO L354 Elim1Store]: treesize reduction 132, result has 23.7 percent of original size [2021-11-21 00:17:31,472 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 00:17:31,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:31,485 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:31,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:31,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:31,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:31,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:31,489 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:31,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:31,490 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:31,526 INFO L354 Elim1Store]: treesize reduction 117, result has 5.6 percent of original size [2021-11-21 00:17:31,527 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 00:17:31,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:31,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:31,542 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:31,676 INFO L354 Elim1Store]: treesize reduction 172, result has 16.1 percent of original size [2021-11-21 00:17:31,677 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 00:17:35,340 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:35,341 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:35,853 INFO L354 Elim1Store]: treesize reduction 304, result has 18.9 percent of original size [2021-11-21 00:17:35,854 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 00:17:35,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:35,868 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:36,269 INFO L354 Elim1Store]: treesize reduction 412, result has 13.3 percent of original size [2021-11-21 00:17:36,269 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 00:17:36,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:36,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:36,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:36,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:36,779 INFO L354 Elim1Store]: treesize reduction 656, result has 11.0 percent of original size [2021-11-21 00:17:36,779 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 00:17:41,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:41,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:41,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:41,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:41,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:41,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:41,560 INFO L354 Elim1Store]: treesize reduction 336, result has 3.2 percent of original size [2021-11-21 00:17:41,561 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 00:17:41,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:41,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:41,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:41,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:41,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:41,579 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:41,627 INFO L354 Elim1Store]: treesize reduction 347, result has 5.2 percent of original size [2021-11-21 00:17:41,627 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 00:17:41,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:41,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:41,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:41,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:41,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:41,645 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:41,777 INFO L354 Elim1Store]: treesize reduction 582, result has 13.4 percent of original size [2021-11-21 00:17:41,777 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 00:17:43,267 INFO L354 Elim1Store]: treesize reduction 568, result has 10.3 percent of original size [2021-11-21 00:17:43,268 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 00:17:44,750 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:44,751 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:44,947 INFO L354 Elim1Store]: treesize reduction 264, result has 15.4 percent of original size [2021-11-21 00:17:44,948 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 00:17:44,961 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:44,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:45,154 INFO L354 Elim1Store]: treesize reduction 372, result has 11.4 percent of original size [2021-11-21 00:17:45,154 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 00:17:45,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:45,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:45,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:45,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:45,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:45,393 INFO L354 Elim1Store]: treesize reduction 642, result has 11.1 percent of original size [2021-11-21 00:17:45,394 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 00:17:48,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:48,594 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:49,053 INFO L354 Elim1Store]: treesize reduction 372, result has 15.8 percent of original size [2021-11-21 00:17:49,054 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 00:17:49,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:49,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:49,085 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:49,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:49,418 INFO L354 Elim1Store]: treesize reduction 1440, result has 11.8 percent of original size [2021-11-21 00:17:49,418 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 00:17:49,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:49,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:49,741 INFO L354 Elim1Store]: treesize reduction 660, result has 11.5 percent of original size [2021-11-21 00:17:49,741 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 00:17:58,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:58,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:58,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:59,287 INFO L354 Elim1Store]: treesize reduction 432, result has 9.1 percent of original size [2021-11-21 00:17:59,288 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 00:17:59,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:17:59,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:59,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:17:59,666 INFO L354 Elim1Store]: treesize reduction 648, result has 9.4 percent of original size [2021-11-21 00:17:59,667 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 00:18:00,155 INFO L354 Elim1Store]: treesize reduction 1838, result has 8.1 percent of original size [2021-11-21 00:18:00,155 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 00:18:00,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:00,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:00,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:00,178 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:00,750 INFO L354 Elim1Store]: treesize reduction 1782, result has 9.5 percent of original size [2021-11-21 00:18:00,750 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 00:18:03,790 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 00:18:03,795 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 00:18:03,803 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 00:18:03,894 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:18:03,894 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 00:18:03,912 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 00:18:03,912 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 00:18:04,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:18:04,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:18:04,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:04,112 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 00:18:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:04,142 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 27 treesize of output 11 [2021-11-21 00:18:04,239 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:18:04,239 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 00:18:04,271 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 00:18:04,304 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 00:18:04,323 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 00:18:04,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:04,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 00:18:04,438 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:18:04,438 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 00:18:04,454 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:18:04,455 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 00:18:04,469 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-21 00:18:04,469 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 00:18:04,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:04,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:04,710 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:18:04,711 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 00:18:04,735 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-21 00:18:04,735 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 00:18:04,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:04,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:04,752 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:18:04,753 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 00:18:04,792 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 00:18:04,793 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 00:18:04,822 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-21 00:18:04,822 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 00:18:04,924 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 00:18:04,937 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 00:18:04,943 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 00:18:05,082 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 00:18:05,083 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 00:18:05,106 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:18:05,106 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 00:18:05,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:18:05,347 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 00:18:05,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:05,392 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:18:05,392 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 00:18:05,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:05,416 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:18:05,417 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 00:18:06,500 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 00:18:06,500 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 00:18:06,550 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:18:06,550 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 00:18:06,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:06,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:06,682 INFO L354 Elim1Store]: treesize reduction 48, result has 32.4 percent of original size [2021-11-21 00:18:06,683 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 00:18:06,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:06,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:06,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:06,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:06,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:06,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:06,696 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:06,716 INFO L354 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2021-11-21 00:18:06,716 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 00:18:06,727 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:06,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:06,775 INFO L354 Elim1Store]: treesize reduction 32, result has 54.9 percent of original size [2021-11-21 00:18:06,775 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 00:18:07,120 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:18:07,121 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 00:18:07,135 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:18:07,135 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 00:18:07,153 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 00:18:07,153 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 00:18:07,396 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:18:09,610 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 00:18:09,610 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-21 00:18:09,610 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2021-11-21 00:18:09,610 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740531697] [2021-11-21 00:18:09,610 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-21 00:18:09,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-21 00:18:09,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:18:09,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-21 00:18:09,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=2638, Unknown=18, NotChecked=214, Total=3192 [2021-11-21 00:18:09,613 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 00:18:11,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:18:11,624 INFO L93 Difference]: Finished difference Result 211 states and 233 transitions. [2021-11-21 00:18:11,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-21 00:18:11,625 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 00:18:11,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:18:11,626 INFO L225 Difference]: With dead ends: 211 [2021-11-21 00:18:11,626 INFO L226 Difference]: Without dead ends: 211 [2021-11-21 00:18:11,628 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1352 ImplicationChecksByTransitivity, 33.5s TimeCoverageRelationStatistics Valid=499, Invalid=3651, Unknown=18, NotChecked=254, Total=4422 [2021-11-21 00:18:11,629 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 281 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:18:11,629 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [281 Valid, 299 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-21 00:18:11,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2021-11-21 00:18:11,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 147. [2021-11-21 00:18:11,633 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 00:18:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 165 transitions. [2021-11-21 00:18:11,634 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 165 transitions. Word has length 24 [2021-11-21 00:18:11,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:18:11,634 INFO L470 AbstractCegarLoop]: Abstraction has 147 states and 165 transitions. [2021-11-21 00:18:11,635 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 00:18:11,635 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 165 transitions. [2021-11-21 00:18:11,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 00:18:11,636 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:18:11,636 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 00:18:11,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-21 00:18:11,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-21 00:18:11,850 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 00:18:11,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:18:11,850 INFO L85 PathProgramCache]: Analyzing trace with hash 2094391231, now seen corresponding path program 1 times [2021-11-21 00:18:11,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:18:11,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50435306] [2021-11-21 00:18:11,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:18:11,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:18:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:18:11,916 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 00:18:11,916 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:18:11,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50435306] [2021-11-21 00:18:11,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50435306] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:18:11,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123537922] [2021-11-21 00:18:11,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:18:11,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:18:11,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:18:11,918 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:18:11,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-21 00:18:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:18:11,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 00:18:11,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:18:11,998 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 00:18:12,046 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 00:18:12,071 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 00:18:12,071 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-21 00:18:12,072 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123537922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:18:12,072 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-21 00:18:12,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2021-11-21 00:18:12,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245824153] [2021-11-21 00:18:12,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:18:12,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:18:12,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:18:12,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:18:12,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-21 00:18:12,075 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 00:18:12,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:18:12,177 INFO L93 Difference]: Finished difference Result 144 states and 161 transitions. [2021-11-21 00:18:12,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:18:12,177 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 00:18:12,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:18:12,178 INFO L225 Difference]: With dead ends: 144 [2021-11-21 00:18:12,178 INFO L226 Difference]: Without dead ends: 144 [2021-11-21 00:18:12,179 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 00:18:12,179 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 00:18:12,180 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 00:18:12,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2021-11-21 00:18:12,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2021-11-21 00:18:12,182 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 00:18:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 161 transitions. [2021-11-21 00:18:12,183 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 161 transitions. Word has length 26 [2021-11-21 00:18:12,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:18:12,184 INFO L470 AbstractCegarLoop]: Abstraction has 144 states and 161 transitions. [2021-11-21 00:18:12,184 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 00:18:12,184 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 161 transitions. [2021-11-21 00:18:12,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 00:18:12,185 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:18:12,185 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 00:18:12,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-21 00:18:12,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-11-21 00:18:12,385 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 00:18:12,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:18:12,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1035476321, now seen corresponding path program 1 times [2021-11-21 00:18:12,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:18:12,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004137909] [2021-11-21 00:18:12,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:18:12,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:18:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:18:12,518 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 00:18:12,518 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:18:12,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004137909] [2021-11-21 00:18:12,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004137909] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:18:12,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111874341] [2021-11-21 00:18:12,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:18:12,518 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:18:12,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:18:12,519 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:18:12,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-21 00:18:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:18:12,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-21 00:18:12,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:18:12,580 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 00:18:12,644 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:18:12,645 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 00:18:12,693 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 00:18:12,768 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:18:12,768 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 00:18:12,808 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-21 00:18:12,808 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 00:18:12,952 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 00:18:12,982 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 00:18:12,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:18:27,596 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 00:18:30,491 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 00:18:30,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111874341] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:18:30,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [399034884] [2021-11-21 00:18:30,494 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-21 00:18:30,495 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:18:30,495 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:18:30,495 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:18:30,495 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:18:30,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,521 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 00:18:30,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,586 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 00:18:30,611 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 00:18:30,619 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 00:18:30,656 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 00:18:30,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,667 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 00:18:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,685 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 00:18:30,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:18:30,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,756 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 00:18:30,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,787 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 00:18:30,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,836 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 00:18:30,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,896 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 00:18:30,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,945 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 00:18:30,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:30,969 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 00:18:31,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,132 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 00:18:31,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,309 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 00:18:31,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,359 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 0 case distinctions, treesize of input 26 treesize of output 21 [2021-11-21 00:18:31,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,392 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 00:18:31,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,661 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 00:18:31,662 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 00:18:31,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,746 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 00:18:31,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:31,783 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 00:18:32,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,032 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 00:18:32,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,076 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 00:18:32,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,115 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 00:18:32,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,547 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 00:18:32,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,830 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:32,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:32,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:32,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:32,861 INFO L354 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2021-11-21 00:18:32,862 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 00:18:32,873 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:32,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:32,911 INFO L354 Elim1Store]: treesize reduction 53, result has 25.4 percent of original size [2021-11-21 00:18:32,911 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 00:18:32,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:32,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:32,964 INFO L354 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2021-11-21 00:18:32,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 00:18:34,904 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:35,016 INFO L354 Elim1Store]: treesize reduction 156, result has 15.7 percent of original size [2021-11-21 00:18:35,016 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 00:18:35,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:35,118 INFO L354 Elim1Store]: treesize reduction 176, result has 17.4 percent of original size [2021-11-21 00:18:35,119 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 00:18:35,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:35,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:35,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:35,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:35,136 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:35,217 INFO L354 Elim1Store]: treesize reduction 254, result has 15.3 percent of original size [2021-11-21 00:18:35,217 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 00:18:37,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:37,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:37,630 INFO L354 Elim1Store]: treesize reduction 136, result has 9.9 percent of original size [2021-11-21 00:18:37,631 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 00:18:37,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:37,684 INFO L354 Elim1Store]: treesize reduction 160, result has 10.6 percent of original size [2021-11-21 00:18:37,685 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 00:18:37,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:37,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:37,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:37,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:37,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:37,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:37,702 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:18:37,761 INFO L354 Elim1Store]: treesize reduction 190, result has 17.4 percent of original size [2021-11-21 00:18:37,762 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 00:18:39,903 INFO L354 Elim1Store]: treesize reduction 368, result has 11.1 percent of original size [2021-11-21 00:18:39,903 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 00:18:42,599 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 00:18:42,610 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 00:18:42,627 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 00:18:42,747 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 00:18:42,747 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 00:18:42,762 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:18:42,762 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 00:18:42,906 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 00:18:42,957 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 00:18:42,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:42,970 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 00:18:42,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:42,978 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 00:18:43,063 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:18:43,064 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 00:18:43,081 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 00:18:43,138 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 00:18:43,146 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 00:18:43,161 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 00:18:43,274 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 00:18:43,274 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 00:18:43,287 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:18:43,288 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 00:18:43,388 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 00:18:43,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:43,457 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 00:18:43,474 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 00:18:43,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:18:43,495 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 00:18:45,374 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:18:46,993 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 00:18:46,993 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:18:46,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 23 [2021-11-21 00:18:46,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263946919] [2021-11-21 00:18:46,994 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 00:18:46,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-21 00:18:46,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:18:46,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-21 00:18:46,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=1667, Unknown=4, NotChecked=0, Total=1892 [2021-11-21 00:18:46,996 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 00:18:47,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:18:47,484 INFO L93 Difference]: Finished difference Result 228 states and 254 transitions. [2021-11-21 00:18:47,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-21 00:18:47,485 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 00:18:47,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:18:47,487 INFO L225 Difference]: With dead ends: 228 [2021-11-21 00:18:47,487 INFO L226 Difference]: Without dead ends: 228 [2021-11-21 00:18:47,488 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 833 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=256, Invalid=1902, Unknown=4, NotChecked=0, Total=2162 [2021-11-21 00:18:47,488 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 448 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 548 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:18:47,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [448 Valid, 398 Invalid, 1172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 525 Invalid, 0 Unknown, 548 Unchecked, 0.4s Time] [2021-11-21 00:18:47,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2021-11-21 00:18:47,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 184. [2021-11-21 00:18:47,493 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 00:18:47,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 222 transitions. [2021-11-21 00:18:47,494 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 222 transitions. Word has length 26 [2021-11-21 00:18:47,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:18:47,494 INFO L470 AbstractCegarLoop]: Abstraction has 184 states and 222 transitions. [2021-11-21 00:18:47,495 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 00:18:47,495 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 222 transitions. [2021-11-21 00:18:47,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 00:18:47,496 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:18:47,496 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 00:18:47,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-21 00:18:47,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-11-21 00:18:47,724 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 00:18:47,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:18:47,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1035476320, now seen corresponding path program 1 times [2021-11-21 00:18:47,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:18:47,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010352629] [2021-11-21 00:18:47,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:18:47,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:18:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:18:47,919 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 00:18:47,919 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:18:47,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010352629] [2021-11-21 00:18:47,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010352629] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:18:47,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248156153] [2021-11-21 00:18:47,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:18:47,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:18:47,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:18:47,921 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:18:47,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-21 00:18:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:18:47,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 00:18:47,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:18:47,990 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 00:18:48,066 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:18:48,067 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 00:18:48,076 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 00:18:48,109 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 00:18:48,121 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 00:18:48,202 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:18:48,203 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 00:18:48,218 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:18:48,218 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 36 treesize of output 27 [2021-11-21 00:18:48,290 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-21 00:18:48,291 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 00:18:48,307 INFO L354 Elim1Store]: treesize reduction 96, result has 16.5 percent of original size [2021-11-21 00:18:48,307 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 00:18:48,524 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 00:18:48,528 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:18:48,528 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 00:18:48,540 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 00:18:48,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:19:01,650 WARN L227 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-21 00:19:19,491 WARN L227 SmtUtils]: Spent 7.64s on a formula simplification that was a NOOP. DAG size: 45 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-21 00:19:19,498 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 00:19:19,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:19,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,741 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:19,888 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 00:19:19,888 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248156153] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:19:19,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [687694193] [2021-11-21 00:19:19,890 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-21 00:19:19,890 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:19:19,890 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:19:19,891 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:19:19,891 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:19:19,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:19,939 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 00:19:19,970 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 00:19:19,981 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 00:19:20,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,023 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 00:19:20,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,064 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 00:19:20,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,106 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 00:19:20,130 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 00:19:20,140 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 00:19:20,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,206 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 00:19:20,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,257 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 00:19:20,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,275 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 00:19:20,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,348 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 00:19:20,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,382 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 00:19:20,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,408 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 00:19:20,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,593 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 00:19:20,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 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 00:19:20,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,808 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 00:19:20,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:20,904 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 00:19:21,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,125 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 00:19:21,125 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 00:19:21,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,195 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 00:19:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,264 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 00:19:21,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,568 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 00:19:21,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,654 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 00:19:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,689 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 00:19:21,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:21,987 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 00:19:22,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:22,251 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:22,330 INFO L354 Elim1Store]: treesize reduction 164, result has 16.8 percent of original size [2021-11-21 00:19:22,331 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 00:19:22,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:22,413 INFO L354 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2021-11-21 00:19:22,414 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 00:19:22,424 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:22,472 INFO L354 Elim1Store]: treesize reduction 77, result has 18.9 percent of original size [2021-11-21 00:19:22,473 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 00:19:24,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:24,227 INFO L354 Elim1Store]: treesize reduction 120, result has 20.0 percent of original size [2021-11-21 00:19:24,228 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 00:19:24,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:24,328 INFO L354 Elim1Store]: treesize reduction 116, result has 22.7 percent of original size [2021-11-21 00:19:24,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 00:19:24,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:24,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:24,450 INFO L354 Elim1Store]: treesize reduction 282, result has 15.1 percent of original size [2021-11-21 00:19:24,450 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 00:19:25,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:25,891 INFO L354 Elim1Store]: treesize reduction 127, result has 8.0 percent of original size [2021-11-21 00:19:25,892 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 00:19:25,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:25,920 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:25,993 INFO L354 Elim1Store]: treesize reduction 218, result has 16.8 percent of original size [2021-11-21 00:19:25,994 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 00:19:26,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:26,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:26,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:26,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:19:26,031 INFO L354 Elim1Store]: treesize reduction 127, result has 8.0 percent of original size [2021-11-21 00:19:26,032 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 00:19:27,214 INFO L354 Elim1Store]: treesize reduction 228, result has 13.3 percent of original size [2021-11-21 00:19:27,227 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 00:19:27,984 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 00:19:27,995 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 00:19:28,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:19:28,135 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 00:19:28,135 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 00:19:28,151 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:19:28,151 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 00:19:28,316 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 00:19:28,379 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 00:19:28,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:28,387 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 00:19:28,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:28,412 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 00:19:28,506 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 00:19:28,506 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 00:19:28,563 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:19:28,563 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 00:19:28,619 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 00:19:28,630 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 00:19:28,648 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 00:19:28,759 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 00:19:28,760 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 00:19:28,775 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:19:28,775 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 00:19:29,027 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 00:19:29,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:29,356 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:19:29,357 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 00:19:29,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:29,378 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:19:29,379 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 00:19:29,973 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 00:19:31,856 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:19:33,681 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 00:19:33,681 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:19:33,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 27 [2021-11-21 00:19:33,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752604537] [2021-11-21 00:19:33,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 00:19:33,682 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-21 00:19:33,682 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:33,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-21 00:19:33,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=2014, Unknown=7, NotChecked=0, Total=2256 [2021-11-21 00:19:33,684 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 00:19:34,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:34,902 INFO L93 Difference]: Finished difference Result 236 states and 283 transitions. [2021-11-21 00:19:34,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-21 00:19:34,902 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 00:19:34,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:34,904 INFO L225 Difference]: With dead ends: 236 [2021-11-21 00:19:34,904 INFO L226 Difference]: Without dead ends: 236 [2021-11-21 00:19:34,906 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 1143 ImplicationChecksByTransitivity, 33.7s TimeCoverageRelationStatistics Valid=412, Invalid=3121, Unknown=7, NotChecked=0, Total=3540 [2021-11-21 00:19:34,907 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 178 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 380 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:34,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 469 Invalid, 913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 480 Invalid, 0 Unknown, 380 Unchecked, 0.5s Time] [2021-11-21 00:19:34,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2021-11-21 00:19:34,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 187. [2021-11-21 00:19:34,926 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 00:19:34,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 225 transitions. [2021-11-21 00:19:34,927 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 225 transitions. Word has length 26 [2021-11-21 00:19:34,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:34,928 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 225 transitions. [2021-11-21 00:19:34,928 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 00:19:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 225 transitions. [2021-11-21 00:19:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 00:19:34,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:34,929 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 00:19:34,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-21 00:19:35,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-11-21 00:19:35,144 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 00:19:35,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:35,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1036780848, now seen corresponding path program 1 times [2021-11-21 00:19:35,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:35,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689357907] [2021-11-21 00:19:35,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:35,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:35,295 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 00:19:35,296 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:35,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689357907] [2021-11-21 00:19:35,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689357907] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:35,296 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:19:35,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:19:35,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74917350] [2021-11-21 00:19:35,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:35,299 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:19:35,299 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:35,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:19:35,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:19:35,300 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 00:19:35,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:35,444 INFO L93 Difference]: Finished difference Result 185 states and 219 transitions. [2021-11-21 00:19:35,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 00:19:35,444 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 00:19:35,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:35,446 INFO L225 Difference]: With dead ends: 185 [2021-11-21 00:19:35,446 INFO L226 Difference]: Without dead ends: 185 [2021-11-21 00:19:35,447 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 00:19:35,447 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 00:19:35,448 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 00:19:35,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2021-11-21 00:19:35,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 182. [2021-11-21 00:19:35,453 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 00:19:35,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 216 transitions. [2021-11-21 00:19:35,454 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 216 transitions. Word has length 26 [2021-11-21 00:19:35,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:35,455 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 216 transitions. [2021-11-21 00:19:35,455 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 00:19:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 216 transitions. [2021-11-21 00:19:35,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-21 00:19:35,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:35,457 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 00:19:35,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-21 00:19:35,457 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 00:19:35,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:35,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1455772297, now seen corresponding path program 1 times [2021-11-21 00:19:35,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:35,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134881857] [2021-11-21 00:19:35,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:35,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:35,588 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 00:19:35,588 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:35,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134881857] [2021-11-21 00:19:35,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134881857] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:19:35,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128534183] [2021-11-21 00:19:35,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:35,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:19:35,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:19:35,590 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:19:35,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-21 00:19:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:35,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-21 00:19:35,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:19:35,655 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 00:19:35,669 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 00:19:35,685 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-21 00:19:35,686 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 00:19:35,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:35,691 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 00:19:35,807 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 00:19:35,810 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 00:19:35,835 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 00:19:35,836 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:19:36,038 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 00:19:36,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128534183] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:19:36,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1053177874] [2021-11-21 00:19:36,041 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2021-11-21 00:19:36,042 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:19:36,042 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:19:36,043 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:19:36,043 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:19:36,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,096 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 00:19:36,150 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 00:19:36,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:19:36,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,168 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 00:19:36,231 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 00:19:36,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,243 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 00:19:36,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,266 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 00:19:36,285 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 00:19:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 00:19:36,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,379 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 00:19:36,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,406 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 00:19:36,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,439 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 00:19:36,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,504 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 00:19:36,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:36,529 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 00:19:42,562 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:19:44,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1053177874] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:44,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:19:44,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [7, 5, 5] total 19 [2021-11-21 00:19:44,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40641033] [2021-11-21 00:19:44,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:44,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 00:19:44,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:44,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 00:19:44,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2021-11-21 00:19:44,469 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 00:19:45,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:45,276 INFO L93 Difference]: Finished difference Result 189 states and 223 transitions. [2021-11-21 00:19:45,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-21 00:19:45,276 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 00:19:45,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:45,277 INFO L225 Difference]: With dead ends: 189 [2021-11-21 00:19:45,278 INFO L226 Difference]: Without dead ends: 189 [2021-11-21 00:19:45,278 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 00:19:45,278 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 38 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 70 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:45,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 163 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 398 Invalid, 0 Unknown, 70 Unchecked, 0.6s Time] [2021-11-21 00:19:45,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2021-11-21 00:19:45,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2021-11-21 00:19:45,283 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 00:19:45,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 223 transitions. [2021-11-21 00:19:45,284 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 223 transitions. Word has length 27 [2021-11-21 00:19:45,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:45,284 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 223 transitions. [2021-11-21 00:19:45,285 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 00:19:45,285 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 223 transitions. [2021-11-21 00:19:45,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 00:19:45,285 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:45,286 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 00:19:45,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-21 00:19:45,511 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:19:45,511 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 00:19:45,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:45,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1732454729, now seen corresponding path program 1 times [2021-11-21 00:19:45,512 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:45,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880067854] [2021-11-21 00:19:45,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:45,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:45,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:45,652 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 00:19:45,652 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:45,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880067854] [2021-11-21 00:19:45,652 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880067854] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:19:45,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710910037] [2021-11-21 00:19:45,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:45,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:19:45,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:19:45,656 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:19:45,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-21 00:19:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:45,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 00:19:45,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:19:46,261 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 00:19:46,261 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:19:46,626 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 00:19:46,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710910037] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:19:46,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1394920261] [2021-11-21 00:19:46,629 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2021-11-21 00:19:46,630 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:19:46,630 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:19:46,630 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:19:46,630 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:19:46,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,656 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 00:19:46,735 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 00:19:46,767 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 00:19:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,778 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 00:19:46,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,826 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 00:19:46,845 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 00:19:46,871 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 00:19:46,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,904 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 00:19:46,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,971 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 00:19:46,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:46,993 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 00:19:47,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:47,035 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 00:19:47,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:47,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:47,094 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 00:19:47,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:47,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:47,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:47,175 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 00:19:47,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:47,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:47,215 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 00:19:52,736 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:19:54,876 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1394920261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:19:54,877 INFO L186 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:19:54,877 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [6, 5, 5] total 28 [2021-11-21 00:19:54,877 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590561797] [2021-11-21 00:19:54,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:19:54,877 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-21 00:19:54,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:19:54,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-21 00:19:54,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2021-11-21 00:19:54,878 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 00:19:55,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:19:55,091 INFO L93 Difference]: Finished difference Result 194 states and 229 transitions. [2021-11-21 00:19:55,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-21 00:19:55,091 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 00:19:55,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:19:55,092 INFO L225 Difference]: With dead ends: 194 [2021-11-21 00:19:55,092 INFO L226 Difference]: Without dead ends: 190 [2021-11-21 00:19:55,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 63 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=209, Invalid=661, Unknown=0, NotChecked=0, Total=870 [2021-11-21 00:19:55,094 INFO L933 BasicCegarLoop]: 46 mSDtfsCounter, 30 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 134 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:19:55,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 155 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 155 Invalid, 0 Unknown, 134 Unchecked, 0.2s Time] [2021-11-21 00:19:55,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2021-11-21 00:19:55,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2021-11-21 00:19:55,097 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 00:19:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 224 transitions. [2021-11-21 00:19:55,098 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 224 transitions. Word has length 30 [2021-11-21 00:19:55,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:19:55,099 INFO L470 AbstractCegarLoop]: Abstraction has 190 states and 224 transitions. [2021-11-21 00:19:55,099 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 00:19:55,099 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 224 transitions. [2021-11-21 00:19:55,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 00:19:55,100 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:19:55,100 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 00:19:55,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-21 00:19:55,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:19:55,328 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 00:19:55,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:19:55,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1064830933, now seen corresponding path program 2 times [2021-11-21 00:19:55,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:19:55,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458691478] [2021-11-21 00:19:55,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:19:55,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:19:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:19:55,546 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 00:19:55,546 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:19:55,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458691478] [2021-11-21 00:19:55,547 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458691478] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:19:55,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017389058] [2021-11-21 00:19:55,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-21 00:19:55,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:19:55,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:19:55,548 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:19:55,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-21 00:19:55,688 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-21 00:19:55,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-21 00:19:55,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-21 00:19:55,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:19:55,723 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 00:19:55,828 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:19:55,828 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 00:19:55,833 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 00:19:55,881 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 21 treesize of output 17 [2021-11-21 00:19:55,892 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 00:19:55,999 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:19:55,999 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 00:19:56,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:19:56,012 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 00:19:56,112 INFO L354 Elim1Store]: treesize reduction 112, result has 14.5 percent of original size [2021-11-21 00:19:56,112 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 00:19:56,128 INFO L354 Elim1Store]: treesize reduction 88, result has 17.8 percent of original size [2021-11-21 00:19:56,129 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 00:19:56,488 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-21 00:19:56,488 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 68 treesize of output 63 [2021-11-21 00:19:56,579 INFO L354 Elim1Store]: treesize reduction 34, result has 8.1 percent of original size [2021-11-21 00:19:56,579 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 00:19:56,588 INFO L354 Elim1Store]: treesize reduction 26, result has 10.3 percent of original size [2021-11-21 00:19:56,588 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 00:19:56,612 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 00:19:56,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:19:57,712 INFO L354 Elim1Store]: treesize reduction 258, result has 62.8 percent of original size [2021-11-21 00:19:57,713 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 00:19:58,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:20:00,321 INFO L354 Elim1Store]: treesize reduction 591, result has 51.0 percent of original size [2021-11-21 00:20:00,323 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 00:20:54,015 WARN L227 SmtUtils]: Spent 53.69s 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 00:21:27,116 WARN L227 SmtUtils]: Spent 33.09s 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 00:21:27,328 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:21:27,330 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 00:21:30,793 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:21:30,795 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 00:21:34,981 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-21 00:21:34,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [607556764] [2021-11-21 00:21:34,983 INFO L159 IcfgInterpreter]: Started Sifa with 23 locations of interest [2021-11-21 00:21:34,983 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:21:34,984 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:21:34,984 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:21:34,984 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:21:35,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,003 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 00:21:35,071 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 00:21:35,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:21:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,097 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 00:21:35,137 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 00:21:35,151 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 00:21:35,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,165 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 00:21:35,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 00:21:35,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,239 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 00:21:35,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,267 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 00:21:35,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,282 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 00:21:35,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,333 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 00:21:35,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,353 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 00:21:35,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,380 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 00:21:35,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,643 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 00:21:35,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,718 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 00:21:35,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 00:21:35,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:35,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 00:21:36,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,121 INFO L354 Elim1Store]: treesize reduction 48, result has 44.8 percent of original size [2021-11-21 00:21:36,121 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 00:21:36,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,196 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 00:21:36,196 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 00:21:36,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:36,260 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:21:36,261 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 00:21:36,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,528 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-11-21 00:21:36,528 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 00:21:36,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,559 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:36,560 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:36,575 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-21 00:21:36,575 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 00:21:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,636 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:36,640 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:21:36,640 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 00:21:36,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:36,990 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 00:21:37,175 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:37,239 INFO L354 Elim1Store]: treesize reduction 68, result has 28.4 percent of original size [2021-11-21 00:21:37,239 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 00:21:37,249 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:37,296 INFO L354 Elim1Store]: treesize reduction 77, result has 18.9 percent of original size [2021-11-21 00:21:37,297 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 00:21:37,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:37,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:37,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:37,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:37,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:37,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:37,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:37,317 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:37,386 INFO L354 Elim1Store]: treesize reduction 164, result has 16.8 percent of original size [2021-11-21 00:21:37,386 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 00:21:39,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:39,175 INFO L354 Elim1Store]: treesize reduction 120, result has 20.0 percent of original size [2021-11-21 00:21:39,176 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 00:21:39,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:39,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:39,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:39,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:39,191 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:39,268 INFO L354 Elim1Store]: treesize reduction 282, result has 15.1 percent of original size [2021-11-21 00:21:39,269 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 00:21:39,279 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:39,326 INFO L354 Elim1Store]: treesize reduction 116, result has 22.7 percent of original size [2021-11-21 00:21:39,326 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 00:21:40,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:40,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:40,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:40,852 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:40,884 INFO L354 Elim1Store]: treesize reduction 127, result has 8.0 percent of original size [2021-11-21 00:21:40,884 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 00:21:40,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:40,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:40,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:40,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:40,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:40,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:40,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:40,974 INFO L354 Elim1Store]: treesize reduction 218, result has 16.8 percent of original size [2021-11-21 00:21:40,975 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 00:21:40,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:40,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:40,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:40,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:41,015 INFO L354 Elim1Store]: treesize reduction 127, result has 8.0 percent of original size [2021-11-21 00:21:41,016 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 00:21:42,294 INFO L354 Elim1Store]: treesize reduction 416, result has 8.4 percent of original size [2021-11-21 00:21:42,295 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 00:21:43,226 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 00:21:43,240 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 00:21:43,252 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 00:21:43,359 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 00:21:43,359 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 00:21:43,374 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:21:43,374 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 00:21:43,653 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 00:21:43,948 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 00:21:43,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:43,979 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:21:43,979 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 00:21:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:44,005 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:21:44,005 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 00:21:44,629 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 00:21:44,629 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 00:21:44,672 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:21:44,673 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 00:21:44,717 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 15 treesize of output 1 [2021-11-21 00:21:44,722 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 00:21:44,727 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 00:21:44,826 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 00:21:44,861 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:21:44,862 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 00:21:44,881 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-11-21 00:21:44,882 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 00:21:45,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:21:45,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:45,387 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:21:45,387 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 00:21:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:45,412 INFO L354 Elim1Store]: treesize reduction 37, result has 31.5 percent of original size [2021-11-21 00:21:45,412 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 00:21:48,375 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:21:50,604 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 00:21:50,604 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-21 00:21:50,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-11-21 00:21:50,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419358223] [2021-11-21 00:21:50,604 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-21 00:21:50,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-21 00:21:50,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:21:50,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-21 00:21:50,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=2306, Unknown=0, NotChecked=0, Total=2550 [2021-11-21 00:21:50,606 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 00:21:51,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:21:51,534 INFO L93 Difference]: Finished difference Result 286 states and 314 transitions. [2021-11-21 00:21:51,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-21 00:21:51,535 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 00:21:51,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:21:51,537 INFO L225 Difference]: With dead ends: 286 [2021-11-21 00:21:51,537 INFO L226 Difference]: Without dead ends: 286 [2021-11-21 00:21:51,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1542 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=447, Invalid=4109, Unknown=0, NotChecked=0, Total=4556 [2021-11-21 00:21:51,539 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 399 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 751 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:21:51,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [399 Valid, 275 Invalid, 873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 751 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 00:21:51,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2021-11-21 00:21:51,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 182. [2021-11-21 00:21:51,544 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 00:21:51,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 206 transitions. [2021-11-21 00:21:51,545 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 206 transitions. Word has length 30 [2021-11-21 00:21:51,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:21:51,545 INFO L470 AbstractCegarLoop]: Abstraction has 182 states and 206 transitions. [2021-11-21 00:21:51,545 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 00:21:51,546 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 206 transitions. [2021-11-21 00:21:51,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 00:21:51,546 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:21:51,546 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 00:21:51,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-21 00:21:51,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-21 00:21:51,764 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 00:21:51,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:21:51,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1066135460, now seen corresponding path program 1 times [2021-11-21 00:21:51,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:21:51,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903202247] [2021-11-21 00:21:51,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:51,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:21:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:52,116 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 00:21:52,116 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:21:52,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903202247] [2021-11-21 00:21:52,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903202247] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:21:52,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942281877] [2021-11-21 00:21:52,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:21:52,117 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:21:52,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:21:52,118 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:21:52,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-21 00:21:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:21:52,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-21 00:21:52,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:21:52,199 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 00:21:52,284 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:21:52,284 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 00:21:52,288 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 00:21:52,334 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 00:21:52,344 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 00:21:52,456 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:21:52,456 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 00:21:52,475 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:21:52,475 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 00:21:52,571 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-11-21 00:21:52,571 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 00:21:52,594 INFO L354 Elim1Store]: treesize reduction 96, result has 16.5 percent of original size [2021-11-21 00:21:52,594 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 00:21:52,598 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 00:21:52,601 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 00:21:52,988 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 00:21:52,993 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:21:52,993 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 00:21:53,058 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-11-21 00:21:53,059 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 00:21:53,088 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 00:21:53,089 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:21:53,293 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 00:21:53,678 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 00:21:53,692 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 00:21:56,806 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 00:21:56,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942281877] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 00:21:56,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [503317464] [2021-11-21 00:21:56,808 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2021-11-21 00:21:56,808 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:21:56,809 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:21:56,809 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:21:56,809 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:21:56,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:56,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:56,829 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 00:21:56,890 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 00:21:56,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:56,927 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 00:21:56,943 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 00:21:56,979 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 00:21:56,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:56,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:56,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:56,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:56,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:56,990 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 00:21:57,007 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 00:21:57,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,024 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 00:21:57,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,084 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 00:21:57,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,104 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 00:21:57,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,129 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 00:21:57,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 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 00:21:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,204 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 00:21:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,230 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 00:21:57,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,415 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 00:21:57,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,566 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 00:21:57,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,617 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 00:21:57,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,691 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 00:21:57,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,911 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 00:21:57,911 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 00:21:57,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:57,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,004 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 00:21:58,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 00:21:58,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,364 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 00:21:58,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,401 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 00:21:58,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,460 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 00:21:58,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:58,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,000 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 00:21:59,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,147 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 00:21:59,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,213 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 00:21:59,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,353 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 00:21:59,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,621 INFO L354 Elim1Store]: treesize reduction 88, result has 20.0 percent of original size [2021-11-21 00:21:59,622 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 00:21:59,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,665 INFO L354 Elim1Store]: treesize reduction 108, result has 19.4 percent of original size [2021-11-21 00:21:59,666 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 00:21:59,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:21:59,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:59,681 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:21:59,714 INFO L354 Elim1Store]: treesize reduction 132, result has 18.5 percent of original size [2021-11-21 00:21:59,715 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 00:22:00,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:00,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:00,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:00,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:00,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:00,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:00,431 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:00,438 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-21 00:22:00,439 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 00:22:00,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:00,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:00,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:00,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:00,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:00,452 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:00,459 INFO L354 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2021-11-21 00:22:00,460 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 00:22:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:00,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:00,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:00,472 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:00,529 INFO L354 Elim1Store]: treesize reduction 88, result has 30.2 percent of original size [2021-11-21 00:22:00,530 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 00:22:02,001 INFO L354 Elim1Store]: treesize reduction 368, result has 11.1 percent of original size [2021-11-21 00:22:02,001 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 00:22:03,149 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:03,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:03,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:03,274 INFO L354 Elim1Store]: treesize reduction 84, result has 28.8 percent of original size [2021-11-21 00:22:03,274 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 00:22:03,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:03,287 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:03,288 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:03,400 INFO L354 Elim1Store]: treesize reduction 120, result has 17.8 percent of original size [2021-11-21 00:22:03,401 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 00:22:03,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:03,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:03,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:03,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:03,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:03,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:03,416 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:03,417 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:03,452 INFO L354 Elim1Store]: treesize reduction 81, result has 8.0 percent of original size [2021-11-21 00:22:03,453 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 00:22:06,956 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:06,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:07,221 INFO L354 Elim1Store]: treesize reduction 220, result has 14.1 percent of original size [2021-11-21 00:22:07,221 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 00:22:07,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:07,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:07,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:07,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:07,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:07,248 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:07,416 INFO L354 Elim1Store]: treesize reduction 534, result has 10.7 percent of original size [2021-11-21 00:22:07,417 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 00:22:07,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:07,429 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:07,532 INFO L354 Elim1Store]: treesize reduction 312, result has 17.0 percent of original size [2021-11-21 00:22:07,533 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 00:22:10,106 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 00:22:10,118 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 00:22:10,135 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 00:22:10,210 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:22:10,210 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 00:22:10,248 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 00:22:10,286 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 00:22:10,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:10,320 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 00:22:10,336 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 00:22:10,545 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:22:10,545 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 124 treesize of output 119 [2021-11-21 00:22:10,562 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:22:10,562 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 00:22:10,578 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 00:22:10,579 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 00:22:10,777 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 00:22:10,788 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 00:22:10,797 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 00:22:12,900 INFO L354 Elim1Store]: treesize reduction 86, result has 48.8 percent of original size [2021-11-21 00:22:12,901 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 00:22:13,885 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:22:13,886 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 00:22:14,018 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 00:22:14,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:14,045 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 00:22:14,061 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 00:22:14,265 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:22:16,699 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 00:22:16,700 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 00:22:16,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 37 [2021-11-21 00:22:16,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230748782] [2021-11-21 00:22:16,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 00:22:16,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-21 00:22:16,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:22:16,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-21 00:22:16,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=3046, Unknown=0, NotChecked=0, Total=3306 [2021-11-21 00:22:16,702 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 00:22:18,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:22:18,758 INFO L93 Difference]: Finished difference Result 209 states and 234 transitions. [2021-11-21 00:22:18,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-21 00:22:18,758 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 00:22:18,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:22:18,760 INFO L225 Difference]: With dead ends: 209 [2021-11-21 00:22:18,760 INFO L226 Difference]: Without dead ends: 209 [2021-11-21 00:22:18,761 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 52 SyntacticMatches, 6 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1440 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=477, Invalid=5073, Unknown=0, NotChecked=0, Total=5550 [2021-11-21 00:22:18,762 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 240 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 445 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:22:18,762 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 758 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1285 Invalid, 0 Unknown, 445 Unchecked, 0.8s Time] [2021-11-21 00:22:18,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2021-11-21 00:22:18,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 180. [2021-11-21 00:22:18,766 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 00:22:18,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 203 transitions. [2021-11-21 00:22:18,767 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 203 transitions. Word has length 30 [2021-11-21 00:22:18,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:22:18,767 INFO L470 AbstractCegarLoop]: Abstraction has 180 states and 203 transitions. [2021-11-21 00:22:18,767 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 00:22:18,768 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 203 transitions. [2021-11-21 00:22:18,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 00:22:18,768 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:22:18,768 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 00:22:18,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-21 00:22:18,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-11-21 00:22:18,984 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 00:22:18,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:22:18,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1791242281, now seen corresponding path program 1 times [2021-11-21 00:22:18,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:22:18,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156724999] [2021-11-21 00:22:18,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:22:18,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:22:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:22:19,222 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 00:22:19,222 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:22:19,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156724999] [2021-11-21 00:22:19,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156724999] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:22:19,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648159914] [2021-11-21 00:22:19,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:22:19,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:22:19,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:22:19,228 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:22:19,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-21 00:22:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:22:19,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 00:22:19,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:22:19,303 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 00:22:19,384 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:22:19,384 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 00:22:19,422 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 00:22:19,514 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:22:19,514 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 00:22:19,568 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-11-21 00:22:19,569 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 00:22:19,578 INFO L354 Elim1Store]: treesize reduction 27, result has 20.6 percent of original size [2021-11-21 00:22:19,579 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 00:22:19,615 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 00:22:19,714 INFO L354 Elim1Store]: treesize reduction 52, result has 30.7 percent of original size [2021-11-21 00:22:19,714 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 00:22:19,790 INFO L354 Elim1Store]: treesize reduction 70, result has 26.3 percent of original size [2021-11-21 00:22:19,790 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 00:22:19,948 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 00:22:19,953 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 00:22:19,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:22:22,044 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~end~0#1.offset| Int) (v_DerPreprocessor_18 Int)) (= 1 (select |c_#valid| (select (select (store |c_#memory_$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| |c_ULTIMATE.start_main_~null~0#1.base|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|) v_DerPreprocessor_18)) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)))) is different from false [2021-11-21 00:22:24,063 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_18 Int) (|v_ULTIMATE.start_main_~end~0#1.offset_212| Int)) (= (select |c_#valid| (select (select (let ((.cse0 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~end~0#1.base|) |c_ULTIMATE.start_main_~end~0#1.offset|))) (store |c_#memory_$Pointer$.base| .cse0 (store (store (select |c_#memory_$Pointer$.base| .cse0) |v_ULTIMATE.start_main_~end~0#1.offset_212| |c_ULTIMATE.start_main_~null~0#1.base|) (+ 4 |v_ULTIMATE.start_main_~end~0#1.offset_212|) v_DerPreprocessor_18))) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) 1)) is different from false [2021-11-21 00:22:24,076 INFO L354 Elim1Store]: treesize reduction 5, result has 87.8 percent of original size [2021-11-21 00:22:24,076 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 00:22:37,763 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 00:22:37,911 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-11-21 00:22:37,912 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 00:22:38,012 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-21 00:22:38,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1561857503] [2021-11-21 00:22:38,014 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2021-11-21 00:22:38,014 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:22:38,015 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:22:38,015 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:22:38,015 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:22:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,062 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 00:22:38,098 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 00:22:38,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:22:38,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,133 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 00:22:38,163 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 00:22:38,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,174 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 00:22:38,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,200 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 00:22:38,261 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 00:22:38,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,305 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 00:22:38,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,343 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 00:22:38,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,358 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 00:22:38,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,415 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 00:22:38,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,487 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 00:22:38,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,504 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 00:22:38,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,771 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 00:22:38,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,867 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 00:22:38,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,892 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 00:22:38,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:38,949 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 00:22:39,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,247 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 00:22:39,248 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 00:22:39,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,322 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 00:22:39,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,361 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 00:22:39,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:39,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:39,627 INFO L354 Elim1Store]: treesize reduction 28, result has 49.1 percent of original size [2021-11-21 00:22:39,627 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 00:22:39,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,682 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-21 00:22:39,682 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 00:22:39,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,754 INFO L354 Elim1Store]: treesize reduction 102, result has 20.3 percent of original size [2021-11-21 00:22:39,754 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 00:22:39,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:39,874 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 41 treesize of output 31 [2021-11-21 00:22:40,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,048 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 00:22:40,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,109 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 00:22:40,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,165 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 00:22:40,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,591 INFO L354 Elim1Store]: treesize reduction 116, result has 18.3 percent of original size [2021-11-21 00:22:40,592 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 00:22:40,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,639 INFO L354 Elim1Store]: treesize reduction 116, result has 18.3 percent of original size [2021-11-21 00:22:40,640 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 00:22:40,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,708 INFO L354 Elim1Store]: treesize reduction 218, result has 14.2 percent of original size [2021-11-21 00:22:40,708 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 00:22:40,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:40,975 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:40,993 INFO L354 Elim1Store]: treesize reduction 111, result has 9.0 percent of original size [2021-11-21 00:22:40,993 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 00:22:41,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,005 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:41,021 INFO L354 Elim1Store]: treesize reduction 111, result has 9.0 percent of original size [2021-11-21 00:22:41,021 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 00:22:41,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:41,034 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:41,068 INFO L354 Elim1Store]: treesize reduction 186, result has 16.2 percent of original size [2021-11-21 00:22:41,069 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 00:22:41,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,578 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 00:22:41,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,856 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:41,923 INFO L354 Elim1Store]: treesize reduction 132, result has 16.5 percent of original size [2021-11-21 00:22:41,923 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 00:22:41,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,936 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:41,983 INFO L354 Elim1Store]: treesize reduction 132, result has 16.5 percent of original size [2021-11-21 00:22:41,983 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 00:22:41,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:41,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:42,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:42,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:42,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:42,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:42,003 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:42,009 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-21 00:22:42,009 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 00:22:42,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:42,562 INFO L354 Elim1Store]: treesize reduction 148, result has 16.4 percent of original size [2021-11-21 00:22:42,563 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 00:22:42,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:42,658 INFO L354 Elim1Store]: treesize reduction 220, result has 15.7 percent of original size [2021-11-21 00:22:42,659 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 00:22:42,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:42,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:42,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:42,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:42,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:42,679 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:42,759 INFO L354 Elim1Store]: treesize reduction 372, result has 12.9 percent of original size [2021-11-21 00:22:42,759 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 00:22:43,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:43,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:44,031 INFO L354 Elim1Store]: treesize reduction 252, result has 10.3 percent of original size [2021-11-21 00:22:44,032 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 00:22:44,243 INFO L354 Elim1Store]: treesize reduction 366, result has 11.6 percent of original size [2021-11-21 00:22:44,244 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 00:22:44,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:44,259 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:44,397 INFO L354 Elim1Store]: treesize reduction 336, result has 10.9 percent of original size [2021-11-21 00:22:44,397 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 00:22:44,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:44,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:44,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:44,576 INFO L354 Elim1Store]: treesize reduction 470, result has 14.1 percent of original size [2021-11-21 00:22:44,577 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 00:22:46,508 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:46,666 INFO L354 Elim1Store]: treesize reduction 200, result has 17.0 percent of original size [2021-11-21 00:22:46,666 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 00:22:46,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:46,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:46,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:46,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:46,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:46,852 INFO L354 Elim1Store]: treesize reduction 488, result has 11.1 percent of original size [2021-11-21 00:22:46,852 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 00:22:46,864 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:46,946 INFO L354 Elim1Store]: treesize reduction 240, result has 12.1 percent of original size [2021-11-21 00:22:46,947 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 00:22:51,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:51,791 INFO L354 Elim1Store]: treesize reduction 332, result has 15.9 percent of original size [2021-11-21 00:22:51,791 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 00:22:51,804 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:51,990 INFO L354 Elim1Store]: treesize reduction 424, result has 14.3 percent of original size [2021-11-21 00:22:51,990 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 00:22:52,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:52,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:52,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:52,273 INFO L354 Elim1Store]: treesize reduction 840, result has 11.1 percent of original size [2021-11-21 00:22:52,274 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 00:22:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:57,260 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:57,393 INFO L354 Elim1Store]: treesize reduction 346, result has 9.4 percent of original size [2021-11-21 00:22:57,394 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 00:22:57,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:57,409 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:57,632 INFO L354 Elim1Store]: treesize reduction 584, result has 9.2 percent of original size [2021-11-21 00:22:57,633 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 00:22:57,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:22:57,649 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:22:57,919 INFO L354 Elim1Store]: treesize reduction 1252, result has 9.6 percent of original size [2021-11-21 00:22:57,920 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 00:22:59,739 INFO L354 Elim1Store]: treesize reduction 648, result has 10.1 percent of original size [2021-11-21 00:22:59,740 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 00:23:01,256 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:01,465 INFO L354 Elim1Store]: treesize reduction 284, result has 14.5 percent of original size [2021-11-21 00:23:01,465 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 00:23:01,494 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:01,790 INFO L354 Elim1Store]: treesize reduction 524, result has 10.1 percent of original size [2021-11-21 00:23:01,790 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 00:23:01,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:01,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:01,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:01,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:01,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:01,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:02,117 INFO L354 Elim1Store]: treesize reduction 920, result has 9.6 percent of original size [2021-11-21 00:23:02,117 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 00:23:05,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:06,425 INFO L354 Elim1Store]: treesize reduction 388, result has 16.0 percent of original size [2021-11-21 00:23:06,425 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 00:23:06,441 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:06,956 INFO L354 Elim1Store]: treesize reduction 736, result has 9.5 percent of original size [2021-11-21 00:23:06,956 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 00:23:06,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:06,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:06,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:07,254 INFO L354 Elim1Store]: treesize reduction 1172, result has 10.5 percent of original size [2021-11-21 00:23:07,254 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 00:23:13,432 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 00:23:13,442 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 00:23:13,470 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 00:23:13,470 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 00:23:13,520 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:23:13,520 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 00:23:13,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:23:13,565 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 00:23:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:13,588 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 00:23:13,602 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 00:23:13,802 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:23:13,802 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 00:23:13,821 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:23:13,821 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 00:23:13,839 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 00:23:13,839 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 00:23:14,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:14,031 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-11-21 00:23:14,032 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 00:23:14,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:14,052 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-11-21 00:23:14,053 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 00:23:14,071 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 00:23:14,071 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 00:23:14,441 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 00:23:14,442 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 00:23:14,465 INFO L354 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2021-11-21 00:23:14,466 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 00:23:14,650 INFO L354 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2021-11-21 00:23:14,650 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 00:23:14,673 INFO L354 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2021-11-21 00:23:14,673 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 00:23:14,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:14,697 INFO L354 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2021-11-21 00:23:14,697 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 00:23:15,180 INFO L354 Elim1Store]: treesize reduction 60, result has 20.0 percent of original size [2021-11-21 00:23:15,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 00:23:15,208 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-21 00:23:15,208 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 00:23:15,237 INFO L354 Elim1Store]: treesize reduction 92, result has 18.6 percent of original size [2021-11-21 00:23:15,237 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 00:23:15,495 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 00:23:15,523 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 00:23:15,523 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 00:23:15,559 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 00:23:15,578 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 00:23:15,599 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:23:15,599 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 00:23:15,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 00:23:15,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:15,659 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 00:23:15,668 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 00:23:15,846 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:23:15,846 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 00:23:15,859 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:23:15,860 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 00:23:15,873 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 00:23:15,873 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 112 treesize of output 100 [2021-11-21 00:23:15,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:16,000 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-11-21 00:23:16,001 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 00:23:16,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:16,015 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-11-21 00:23:16,016 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 00:23:16,040 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 00:23:16,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 00:23:21,800 INFO L354 Elim1Store]: treesize reduction 136, result has 40.1 percent of original size [2021-11-21 00:23:21,801 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 00:23:23,994 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 00:23:23,995 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 00:23:24,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:24,527 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:24,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:24,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:24,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:23:24,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:24,531 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:24,600 INFO L354 Elim1Store]: treesize reduction 140, result has 18.1 percent of original size [2021-11-21 00:23:24,601 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 00:23:24,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:24,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:24,710 INFO L354 Elim1Store]: treesize reduction 72, result has 47.8 percent of original size [2021-11-21 00:23:24,711 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 00:23:24,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:24,718 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:23:24,773 INFO L354 Elim1Store]: treesize reduction 108, result has 21.7 percent of original size [2021-11-21 00:23:24,773 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 00:24:05,246 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-21 00:24:21,526 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2021-11-21 00:24:21,526 INFO L186 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2021-11-21 00:24:21,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-11-21 00:24:21,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557812014] [2021-11-21 00:24:21,526 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2021-11-21 00:24:21,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-21 00:24:21,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:24:21,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-21 00:24:21,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=2326, Unknown=14, NotChecked=198, Total=2756 [2021-11-21 00:24:21,529 INFO L87 Difference]: Start difference. First operand 180 states and 203 transitions. Second operand has 13 states, 12 states have (on average 2.5) internal successors, (30), 13 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 00:24:22,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:24:22,471 INFO L93 Difference]: Finished difference Result 263 states and 295 transitions. [2021-11-21 00:24:22,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-21 00:24:22,471 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 13 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 00:24:22,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:24:22,472 INFO L225 Difference]: With dead ends: 263 [2021-11-21 00:24:22,472 INFO L226 Difference]: Without dead ends: 263 [2021-11-21 00:24:22,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 41 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1279 ImplicationChecksByTransitivity, 34.7s TimeCoverageRelationStatistics Valid=351, Invalid=3549, Unknown=14, NotChecked=246, Total=4160 [2021-11-21 00:24:22,474 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 265 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:24:22,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 339 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-21 00:24:22,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2021-11-21 00:24:22,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 194. [2021-11-21 00:24:22,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 170 states have (on average 1.2941176470588236) internal successors, (220), 193 states have internal predecessors, (220), 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 00:24:22,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 220 transitions. [2021-11-21 00:24:22,480 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 220 transitions. Word has length 30 [2021-11-21 00:24:22,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:24:22,480 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 220 transitions. [2021-11-21 00:24:22,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.5) internal successors, (30), 13 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 00:24:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 220 transitions. [2021-11-21 00:24:22,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 00:24:22,481 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:24:22,481 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 00:24:22,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-21 00:24:22,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-11-21 00:24:22,700 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr31REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 57 more)] === [2021-11-21 00:24:22,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:24:22,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1791242282, now seen corresponding path program 1 times [2021-11-21 00:24:22,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:24:22,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044441180] [2021-11-21 00:24:22,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:24:22,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:24:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:24:23,031 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 00:24:23,031 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:24:23,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044441180] [2021-11-21 00:24:23,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044441180] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 00:24:23,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568043327] [2021-11-21 00:24:23,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:24:23,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 00:24:23,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:24:23,036 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 00:24:23,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76ecd41-b8bb-4d75-8d61-22cd9d25f9b9/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-21 00:24:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:24:23,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-21 00:24:23,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 00:24:23,156 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 00:24:23,298 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:24:23,298 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 00:24:23,366 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 00:24:23,379 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 00:24:23,519 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:24:23,519 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 00:24:23,545 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:24:23,545 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 36 treesize of output 27 [2021-11-21 00:24:23,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:24:23,673 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 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 00:24:23,693 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 00:24:23,693 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 00:24:23,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:24:23,717 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 0 case distinctions, treesize of input 34 treesize of output 21 [2021-11-21 00:24:23,741 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-11-21 00:24:23,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2021-11-21 00:24:23,827 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 26 treesize of output 21 [2021-11-21 00:24:23,839 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 39 treesize of output 34 [2021-11-21 00:24:24,004 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:24:24,004 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 00:24:24,037 INFO L354 Elim1Store]: treesize reduction 60, result has 20.0 percent of original size [2021-11-21 00:24:24,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 55 [2021-11-21 00:24:24,150 INFO L354 Elim1Store]: treesize reduction 80, result has 15.8 percent of original size [2021-11-21 00:24:24,150 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 172 treesize of output 96 [2021-11-21 00:24:24,174 INFO L354 Elim1Store]: treesize reduction 120, result has 16.1 percent of original size [2021-11-21 00:24:24,174 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 129 treesize of output 92 [2021-11-21 00:24:24,753 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:24:24,754 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 55 [2021-11-21 00:24:24,759 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-21 00:24:24,760 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 44 treesize of output 32 [2021-11-21 00:24:24,832 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 00:24:24,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 00:24:27,169 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((|ULTIMATE.start_main_~end~0#1.offset| Int) (v_DerPreprocessor_21 Int)) (<= 0 (+ 4 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset| |c_ULTIMATE.start_main_~null~0#1.offset|) (+ 4 |ULTIMATE.start_main_~end~0#1.offset|) v_DerPreprocessor_21)) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)))) (forall ((|ULTIMATE.start_main_~end~0#1.offset| Int) (v_DerPreprocessor_20 Int) (v_DerPreprocessor_21 Int)) (let ((.cse0 (+ 4 |ULTIMATE.start_main_~end~0#1.offset|))) (<= (+ 8 (select (select (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~end~0#1.base|) |ULTIMATE.start_main_~end~0#1.offset| |c_ULTIMATE.start_main_~null~0#1.offset|) .cse0 v_DerPreprocessor_21)) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)) (select |c_#length| (select (select (store |c_#memory_$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| |c_ULTIMATE.start_main_~null~0#1.base|) .cse0 v_DerPreprocessor_20)) |c_ULTIMATE.start_main_~list~0#1.base|) |c_ULTIMATE.start_main_~list~0#1.offset|)))))) is different from false [2021-11-21 00:25:02,228 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-21 00:25:02,228 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 298 treesize of output 302 [2021-11-21 00:25:29,560 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 136961 treesize of output 136577 [2021-11-21 00:25:30,263 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 277557 treesize of output 277173 [2021-11-21 00:25:41,115 WARN L227 SmtUtils]: Spent 10.85s on a formula simplification. DAG size of input: 1917 DAG size of output: 1917 (called from [L1066] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2021-11-21 00:25:41,123 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: BigInteger out of long range [2021-11-21 00:25:41,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [399163408] [2021-11-21 00:25:41,126 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2021-11-21 00:25:41,126 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 00:25:41,126 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-21 00:25:41,127 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-21 00:25:41,127 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-21 00:25:41,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,176 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 00:25:41,209 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 00:25:41,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,224 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 00:25:41,244 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 00:25:41,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,287 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 00:25:41,309 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 00:25:41,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,340 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 00:25:41,359 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 00:25:41,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,392 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 00:25:41,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,424 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 39 treesize of output 33 [2021-11-21 00:25:41,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,443 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 00:25:41,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,520 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 00:25:41,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,549 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 00:25:41,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,584 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 00:25:41,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,883 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 00:25:41,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:41,948 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 00:25:42,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,029 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 00:25:42,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,094 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 00:25:42,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,323 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-21 00:25:42,323 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 00:25:42,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,381 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 00:25:42,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:25:42,459 INFO L354 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2021-11-21 00:25:42,459 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 00:25:42,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,713 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 00:25:42,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,815 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 39 treesize of output 51 [2021-11-21 00:25:42,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,876 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 00:25:42,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:42,940 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 00:25:43,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,019 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 00:25:43,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,097 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 00:25:43,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,162 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 00:25:43,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,643 INFO L354 Elim1Store]: treesize reduction 88, result has 20.0 percent of original size [2021-11-21 00:25:43,643 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 00:25:43,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:25:43,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:25:43,710 INFO L354 Elim1Store]: treesize reduction 132, result has 18.5 percent of original size [2021-11-21 00:25:43,710 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 219 treesize of output 219 [2021-11-21 00:25:43,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:43,765 INFO L354 Elim1Store]: treesize reduction 108, result has 19.4 percent of original size [2021-11-21 00:25:43,765 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 204 treesize of output 201 [2021-11-21 00:25:44,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:44,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:44,018 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-21 00:25:44,018 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 5 case distinctions, treesize of input 228 treesize of output 192 [2021-11-21 00:25:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:44,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:44,040 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-21 00:25:44,040 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 4 new quantified variables, introduced 5 case distinctions, treesize of input 209 treesize of output 202 [2021-11-21 00:25:44,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:44,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:44,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:44,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:44,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:25:44,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:25:44,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:25:44,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:44,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:44,099 INFO L354 Elim1Store]: treesize reduction 88, result has 25.4 percent of original size [2021-11-21 00:25:44,099 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 190 treesize of output 201 [2021-11-21 00:25:44,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:44,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:44,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,032 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 41 treesize of output 58 [2021-11-21 00:25:45,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,270 INFO L354 Elim1Store]: treesize reduction 88, result has 20.0 percent of original size [2021-11-21 00:25:45,271 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 259 treesize of output 227 [2021-11-21 00:25:45,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,331 INFO L354 Elim1Store]: treesize reduction 112, result has 18.8 percent of original size [2021-11-21 00:25:45,331 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 8 case distinctions, treesize of input 261 treesize of output 262 [2021-11-21 00:25:45,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:25:45,351 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:25:45,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:25:45,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:45,360 INFO L354 Elim1Store]: treesize reduction 52, result has 1.9 percent of original size [2021-11-21 00:25:45,360 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 7 case distinctions, treesize of input 250 treesize of output 253 [2021-11-21 00:25:46,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:46,181 INFO L354 Elim1Store]: treesize reduction 136, result has 17.6 percent of original size [2021-11-21 00:25:46,181 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 00:25:46,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:46,261 INFO L354 Elim1Store]: treesize reduction 208, result has 16.5 percent of original size [2021-11-21 00:25:46,261 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 341 treesize of output 337 [2021-11-21 00:25:46,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:46,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:46,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:46,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:46,277 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:25:46,278 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:25:46,342 INFO L354 Elim1Store]: treesize reduction 236, result has 16.0 percent of original size [2021-11-21 00:25:46,343 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 337 treesize of output 340 [2021-11-21 00:25:47,404 INFO L354 Elim1Store]: treesize reduction 380, result has 15.0 percent of original size [2021-11-21 00:25:47,404 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 675 treesize of output 677 [2021-11-21 00:25:47,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:47,539 INFO L354 Elim1Store]: treesize reduction 252, result has 10.3 percent of original size [2021-11-21 00:25:47,539 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 7 new quantified variables, introduced 14 case distinctions, treesize of input 682 treesize of output 560 [2021-11-21 00:25:47,755 INFO L354 Elim1Store]: treesize reduction 366, result has 11.6 percent of original size [2021-11-21 00:25:47,755 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 663 treesize of output 671 [2021-11-21 00:25:47,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:47,890 INFO L354 Elim1Store]: treesize reduction 336, result has 10.9 percent of original size [2021-11-21 00:25:47,891 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 5 new quantified variables, introduced 14 case distinctions, treesize of input 662 treesize of output 630 [2021-11-21 00:25:50,387 INFO L354 Elim1Store]: treesize reduction 296, result has 12.2 percent of original size [2021-11-21 00:25:50,387 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 705 treesize of output 681 [2021-11-21 00:25:50,541 INFO L354 Elim1Store]: treesize reduction 200, result has 17.0 percent of original size [2021-11-21 00:25:50,542 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 693 treesize of output 583 [2021-11-21 00:25:50,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:50,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:50,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:25:50,737 INFO L354 Elim1Store]: treesize reduction 404, result has 11.2 percent of original size [2021-11-21 00:25:50,737 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 645 treesize of output 631 [2021-11-21 00:25:55,396 INFO L354 Elim1Store]: treesize reduction 328, result has 17.0 percent of original size [2021-11-21 00:25:55,397 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 1120 treesize of output 670 [2021-11-21 00:25:55,554 INFO L354 Elim1Store]: treesize reduction 376, result has 11.1 percent of original size [2021-11-21 00:25:55,555 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 1010 treesize of output 829 [2021-11-21 00:25:55,888 INFO L354 Elim1Store]: treesize reduction 776, result has 9.9 percent of original size [2021-11-21 00:25:55,888 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 921 treesize of output 906 [2021-11-21 00:26:00,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:00,821 INFO L354 Elim1Store]: treesize reduction 378, result has 9.6 percent of original size [2021-11-21 00:26:00,822 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 9 new quantified variables, introduced 20 case distinctions, treesize of input 1020 treesize of output 624 [2021-11-21 00:26:00,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:00,996 INFO L354 Elim1Store]: treesize reduction 370, result has 9.8 percent of original size [2021-11-21 00:26:00,997 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 8 new quantified variables, introduced 20 case distinctions, treesize of input 1001 treesize of output 866 [2021-11-21 00:26:01,228 INFO L354 Elim1Store]: treesize reduction 596, result has 14.6 percent of original size [2021-11-21 00:26:01,228 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 982 treesize of output 987 [2021-11-21 00:26:03,519 INFO L354 Elim1Store]: treesize reduction 648, result has 10.1 percent of original size [2021-11-21 00:26:03,519 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 972 treesize of output 967 [2021-11-21 00:26:05,335 INFO L354 Elim1Store]: treesize reduction 316, result has 14.1 percent of original size [2021-11-21 00:26:05,336 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 20 case distinctions, treesize of input 1121 treesize of output 697 [2021-11-21 00:26:05,514 INFO L354 Elim1Store]: treesize reduction 320, result has 11.1 percent of original size [2021-11-21 00:26:05,515 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 1010 treesize of output 912 [2021-11-21 00:26:05,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:05,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:05,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:05,814 INFO L354 Elim1Store]: treesize reduction 590, result has 10.6 percent of original size [2021-11-21 00:26:05,814 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 999 treesize of output 980 [2021-11-21 00:26:10,984 INFO L354 Elim1Store]: treesize reduction 428, result has 14.7 percent of original size [2021-11-21 00:26:10,984 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 13 new quantified variables, introduced 28 case distinctions, treesize of input 1798 treesize of output 785 [2021-11-21 00:26:11,342 INFO L354 Elim1Store]: treesize reduction 440, result has 10.9 percent of original size [2021-11-21 00:26:11,343 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 11 new quantified variables, introduced 28 case distinctions, treesize of input 1448 treesize of output 1145 [2021-11-21 00:26:12,164 INFO L354 Elim1Store]: treesize reduction 1172, result has 8.4 percent of original size [2021-11-21 00:26:12,164 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 1331 treesize of output 1299 [2021-11-21 00:26:20,035 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 00:26:20,054 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:26:20,054 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 00:26:20,075 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 13 treesize of output 9 [2021-11-21 00:26:20,082 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 00:26:20,090 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 00:26:20,113 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 00:26:20,134 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 11 treesize of output 7 [2021-11-21 00:26:20,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:20,150 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 00:26:20,340 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:26:20,340 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 124 treesize of output 119 [2021-11-21 00:26:20,358 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:26:20,359 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 95 [2021-11-21 00:26:20,376 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 00:26:20,377 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 112 treesize of output 100 [2021-11-21 00:26:20,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:20,591 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-11-21 00:26:20,591 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 123 [2021-11-21 00:26:20,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:20,611 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-11-21 00:26:20,612 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 117 treesize of output 88 [2021-11-21 00:26:20,630 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 00:26:20,631 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 98 treesize of output 97 [2021-11-21 00:26:21,041 INFO L354 Elim1Store]: treesize reduction 88, result has 17.0 percent of original size [2021-11-21 00:26:21,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 98 [2021-11-21 00:26:21,084 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 00:26:21,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 95 treesize of output 106 [2021-11-21 00:26:21,334 INFO L354 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2021-11-21 00:26:21,335 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 2 case distinctions, treesize of input 148 treesize of output 131 [2021-11-21 00:26:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:21,357 INFO L354 Elim1Store]: treesize reduction 51, result has 15.0 percent of original size [2021-11-21 00:26:21,358 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 154 treesize of output 145 [2021-11-21 00:26:21,377 INFO L354 Elim1Store]: treesize reduction 37, result has 15.9 percent of original size [2021-11-21 00:26:21,378 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 2 case distinctions, treesize of input 139 treesize of output 134 [2021-11-21 00:26:21,900 INFO L354 Elim1Store]: treesize reduction 76, result has 20.0 percent of original size [2021-11-21 00:26:21,900 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 223 treesize of output 217 [2021-11-21 00:26:21,943 INFO L354 Elim1Store]: treesize reduction 60, result has 20.0 percent of original size [2021-11-21 00:26:21,944 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 211 treesize of output 140 [2021-11-21 00:26:21,975 INFO L354 Elim1Store]: treesize reduction 92, result has 18.6 percent of original size [2021-11-21 00:26:21,976 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 00:26:22,166 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 00:26:22,181 INFO L354 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2021-11-21 00:26:22,182 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 00:26:22,215 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-21 00:26:22,216 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 00:26:22,233 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 13 treesize of output 9 [2021-11-21 00:26:22,251 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 00:26:22,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:22,268 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 00:26:22,282 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 00:26:22,307 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 00:26:22,457 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:26:22,457 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 00:26:22,472 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-21 00:26:22,473 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 00:26:22,488 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 00:26:22,488 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 00:26:22,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:22,660 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-11-21 00:26:22,661 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 143 treesize of output 126 [2021-11-21 00:26:22,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:22,679 INFO L354 Elim1Store]: treesize reduction 47, result has 13.0 percent of original size [2021-11-21 00:26:22,679 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 120 treesize of output 91 [2021-11-21 00:26:22,695 INFO L354 Elim1Store]: treesize reduction 35, result has 20.5 percent of original size [2021-11-21 00:26:22,695 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 100 [2021-11-21 00:26:29,545 INFO L354 Elim1Store]: treesize reduction 199, result has 40.4 percent of original size [2021-11-21 00:26:29,546 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 285 treesize of output 400 [2021-11-21 00:26:37,549 INFO L354 Elim1Store]: treesize reduction 62, result has 41.5 percent of original size [2021-11-21 00:26:37,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 case distinctions, treesize of input 202 treesize of output 234 [2021-11-21 00:26:46,513 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 00:26:46,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 86 treesize of output 97 [2021-11-21 00:26:46,767 INFO L354 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2021-11-21 00:26:46,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 90 [2021-11-21 00:26:51,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:51,363 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:26:51,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:51,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:51,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-21 00:26:51,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:26:51,368 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:26:52,877 INFO L354 Elim1Store]: treesize reduction 616, result has 38.5 percent of original size [2021-11-21 00:26:52,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 3 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 61 case distinctions, treesize of input 796 treesize of output 1108 [2021-11-21 00:26:52,893 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:26:52,894 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:26:53,939 INFO L354 Elim1Store]: treesize reduction 448, result has 31.0 percent of original size [2021-11-21 00:26:53,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 1108 treesize of output 1176 [2021-11-21 00:26:53,959 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:26:53,960 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-21 00:26:54,398 INFO L354 Elim1Store]: treesize reduction 584, result has 10.0 percent of original size [2021-11-21 00:26:54,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 44 case distinctions, treesize of input 1176 treesize of output 1180