./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/brs1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1719c559f228c1029533750a96ea896ed07efcc9b139440443e471db2c10d1e7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:42:53,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:42:53,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:42:53,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:42:53,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:42:53,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:42:53,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:42:53,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:42:53,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:42:53,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:42:53,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:42:53,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:42:53,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:42:53,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:42:53,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:42:53,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:42:53,911 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:42:53,912 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:42:53,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:42:53,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:42:53,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:42:53,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:42:53,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:42:53,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:42:53,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:42:53,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:42:53,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:42:53,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:42:53,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:42:53,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:42:53,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:42:53,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:42:53,952 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:42:53,953 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:42:53,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:42:53,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:42:53,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:42:53,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:42:53,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:42:53,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:42:53,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:42:53,960 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 03:42:54,014 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:42:54,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:42:54,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:42:54,017 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:42:54,017 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:42:54,017 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:42:54,018 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:42:54,018 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:42:54,019 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:42:54,019 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:42:54,027 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:42:54,028 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:42:54,028 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:42:54,028 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:42:54,029 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:42:54,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:42:54,030 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:42:54,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:42:54,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:42:54,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:42:54,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:42:54,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:42:54,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:42:54,032 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:42:54,032 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:42:54,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:42:54,033 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:42:54,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:42:54,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:42:54,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:42:54,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:42:54,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:42:54,037 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:42:54,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:42:54,037 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:42:54,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:42:54,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:42:54,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:42:54,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:42:54,040 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_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1719c559f228c1029533750a96ea896ed07efcc9b139440443e471db2c10d1e7 [2021-11-03 03:42:54,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:42:54,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:42:54,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:42:54,345 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:42:54,346 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:42:54,347 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/array-fpi/brs1.c [2021-11-03 03:42:54,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/data/dd6b77262/8b7e7e2e25d5485381fd8f753d3a2af5/FLAG2b64c461e [2021-11-03 03:42:54,989 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:42:54,990 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/sv-benchmarks/c/array-fpi/brs1.c [2021-11-03 03:42:55,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/data/dd6b77262/8b7e7e2e25d5485381fd8f753d3a2af5/FLAG2b64c461e [2021-11-03 03:42:55,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/data/dd6b77262/8b7e7e2e25d5485381fd8f753d3a2af5 [2021-11-03 03:42:55,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:42:55,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:42:55,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:42:55,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:42:55,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:42:55,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a9d537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55, skipping insertion in model container [2021-11-03 03:42:55,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:42:55,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:42:55,645 WARN L228 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_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/sv-benchmarks/c/array-fpi/brs1.c[587,600] [2021-11-03 03:42:55,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:42:55,686 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:42:55,705 WARN L228 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_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/sv-benchmarks/c/array-fpi/brs1.c[587,600] [2021-11-03 03:42:55,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:42:55,747 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:42:55,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55 WrapperNode [2021-11-03 03:42:55,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:42:55,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:42:55,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:42:55,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:42:55,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:42:55,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:42:55,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:42:55,815 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:42:55,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,832 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:42:55,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:42:55,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:42:55,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:42:55,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (1/1) ... [2021-11-03 03:42:55,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:42:55,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:42:55,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:42:55,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:42:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 03:42:55,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:42:55,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-03 03:42:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-03 03:42:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:42:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:42:55,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-03 03:42:56,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-03 03:42:56,605 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:42:56,605 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-03 03:42:56,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:42:56 BoogieIcfgContainer [2021-11-03 03:42:56,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:42:56,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:42:56,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:42:56,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:42:56,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:42:55" (1/3) ... [2021-11-03 03:42:56,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c58eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:42:56, skipping insertion in model container [2021-11-03 03:42:56,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:42:55" (2/3) ... [2021-11-03 03:42:56,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c58eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:42:56, skipping insertion in model container [2021-11-03 03:42:56,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:42:56" (3/3) ... [2021-11-03 03:42:56,622 INFO L111 eAbstractionObserver]: Analyzing ICFG brs1.c [2021-11-03 03:42:56,629 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:42:56,629 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:42:56,689 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:42:56,697 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-03 03:42:56,697 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 03:42:56,714 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 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) [2021-11-03 03:42:56,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-03 03:42:56,720 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:42:56,720 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-03 03:42:56,721 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:42:56,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:42:56,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1448994786, now seen corresponding path program 1 times [2021-11-03 03:42:56,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:42:56,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801230730] [2021-11-03 03:42:56,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:42:56,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:42:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:42:57,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:42:57,046 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:42:57,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801230730] [2021-11-03 03:42:57,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801230730] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:42:57,048 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:42:57,048 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-03 03:42:57,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898314423] [2021-11-03 03:42:57,058 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-03 03:42:57,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:42:57,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-03 03:42:57,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:42:57,086 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-03 03:42:57,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:42:57,137 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-03 03:42:57,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-03 03:42:57,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2021-11-03 03:42:57,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:42:57,149 INFO L225 Difference]: With dead ends: 18 [2021-11-03 03:42:57,149 INFO L226 Difference]: Without dead ends: 8 [2021-11-03 03:42:57,153 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-03 03:42:57,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2021-11-03 03:42:57,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-03 03:42:57,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 states have internal predecessors, (9), 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) [2021-11-03 03:42:57,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2021-11-03 03:42:57,190 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 6 [2021-11-03 03:42:57,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:42:57,191 INFO L470 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2021-11-03 03:42:57,192 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-03 03:42:57,192 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-11-03 03:42:57,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-03 03:42:57,193 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:42:57,193 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:42:57,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 03:42:57,194 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:42:57,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:42:57,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1973441861, now seen corresponding path program 1 times [2021-11-03 03:42:57,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:42:57,199 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696467458] [2021-11-03 03:42:57,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:42:57,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:42:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:42:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 03:42:57,347 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:42:57,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696467458] [2021-11-03 03:42:57,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696467458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-03 03:42:57,349 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:42:57,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-03 03:42:57,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433369099] [2021-11-03 03:42:57,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-03 03:42:57,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:42:57,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-03 03:42:57,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:42:57,357 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-11-03 03:42:57,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:42:57,400 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2021-11-03 03:42:57,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-03 03:42:57,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2021-11-03 03:42:57,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:42:57,402 INFO L225 Difference]: With dead ends: 12 [2021-11-03 03:42:57,434 INFO L226 Difference]: Without dead ends: 9 [2021-11-03 03:42:57,435 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-03 03:42:57,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-03 03:42:57,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-03 03:42:57,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 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) [2021-11-03 03:42:57,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-11-03 03:42:57,439 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 7 [2021-11-03 03:42:57,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:42:57,439 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-03 03:42:57,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2021-11-03 03:42:57,440 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-03 03:42:57,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-03 03:42:57,440 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:42:57,440 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:42:57,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-03 03:42:57,461 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:42:57,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:42:57,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1046873979, now seen corresponding path program 1 times [2021-11-03 03:42:57,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:42:57,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796449947] [2021-11-03 03:42:57,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:42:57,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:42:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:42:57,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 03:42:57,636 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:42:57,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796449947] [2021-11-03 03:42:57,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796449947] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:42:57,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378304302] [2021-11-03 03:42:57,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:42:57,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:42:57,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:42:57,641 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:42:57,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-03 03:42:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:42:57,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 03:42:57,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:42:57,888 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 [2021-11-03 03:42:57,951 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 36 treesize of output 28 [2021-11-03 03:42:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 03:42:58,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:42:58,227 INFO L354 Elim1Store]: treesize reduction 48, result has 64.2 percent of original size [2021-11-03 03:42:58,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 64 treesize of output 119 [2021-11-03 03:42:58,549 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:58,550 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 67 treesize of output 66 [2021-11-03 03:42:58,606 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:58,607 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 78 treesize of output 73 [2021-11-03 03:42:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 03:42:58,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378304302] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:42:58,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [727523168] [2021-11-03 03:42:58,725 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:42:58,726 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:42:58,738 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:42:58,744 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:42:58,745 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:42:58,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:58,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:42:58,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:58,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:42:58,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:42:58,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:58,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:42:58,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:42:58,823 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_20|]} [2021-11-03 03:42:58,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:58,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:58,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:58,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:42:58,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:58,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:42:58,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:58,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:42:58,846 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:42:58,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:42:58,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:58,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:58,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:58,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:58,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:58,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:58,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:58,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:58,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:58,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:58,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 31 treesize of output 30 [2021-11-03 03:42:58,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:58,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:42:58,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:58,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:42:58,936 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:42:58,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:42:58,964 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:58,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:58,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:42:58,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:42:58,977 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-03 03:42:59,010 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-03 03:42:59,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:42:59,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:42:59,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:42:59,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 03:42:59,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-03 03:42:59,053 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_18|], 28=[|v_#valid_21|]} [2021-11-03 03:42:59,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,129 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:42:59,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-03 03:42:59,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:42:59,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:42:59,137 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:42:59,154 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:42:59,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:42:59,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:42:59,157 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:42:59,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:42:59,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-03 03:42:59,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:42:59,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:42:59,243 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:42:59,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:42:59,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,287 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:42:59,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 03:42:59,295 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:42:59,295 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:456, output treesize:213 [2021-11-03 03:42:59,322 INFO L180 QuantifierPusher]: treesize reduction 34, result has 87.5 percent of original size [2021-11-03 03:42:59,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:42:59,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 03:42:59,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-11-03 03:42:59,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,411 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 112 [2021-11-03 03:42:59,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:42:59,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:42:59,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:42:59,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:42:59,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 03:42:59,468 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:42:59,468 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:224, output treesize:220 [2021-11-03 03:42:59,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:42:59,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:42:59,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:42:59,687 INFO L180 QuantifierPusher]: treesize reduction 34, result has 94.0 percent of original size [2021-11-03 03:42:59,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:42:59,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:42:59,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:42:59,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:42:59,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:42:59,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 474 [2021-11-03 03:42:59,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:42:59,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 455 [2021-11-03 03:42:59,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-03 03:42:59,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:42:59,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:42:59,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:42:59,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:42:59,926 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:42:59,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:42:59,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 127 [2021-11-03 03:42:59,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:43:00,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:43:00,006 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:00,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,151 INFO L180 QuantifierPusher]: treesize reduction 126, result has 79.7 percent of original size [2021-11-03 03:43:00,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 496 [2021-11-03 03:43:00,162 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:00,163 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:630, output treesize:496 [2021-11-03 03:43:00,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,327 INFO L180 QuantifierPusher]: treesize reduction 82, result has 49.1 percent of original size [2021-11-03 03:43:00,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:00,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 03:43:00,342 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 16 treesize of output 12 [2021-11-03 03:43:00,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:00,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:00,345 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:00,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 03:43:00,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:00,353 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-03 03:43:00,361 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-03 03:43:00,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 03:43:00,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:43:00,377 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:00,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 03:43:00,389 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 [2021-11-03 03:43:00,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:00,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:00,392 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:00,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 03:43:00,399 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:00,399 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2021-11-03 03:43:00,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:43:00,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 03:43:00,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:43:00,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 03:43:00,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 03:43:00,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:00,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:43:00,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-03 03:43:00,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 03:43:00,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-11-03 03:43:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:00,549 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2021-11-03 03:43:00,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:00,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:00,552 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:00,565 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 [2021-11-03 03:43:00,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:00,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:00,568 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:00,576 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:43:00,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:00,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:00,579 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:00,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,611 INFO L180 QuantifierPusher]: treesize reduction 117, result has 55.2 percent of original size [2021-11-03 03:43:00,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 03:43:00,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:00,614 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:423, output treesize:144 [2021-11-03 03:43:00,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,677 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-03 03:43:00,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:43:00,688 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:00,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:00,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:43:00,695 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_2], 6=[|v_#memory_int_39|]} [2021-11-03 03:43:00,703 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 [2021-11-03 03:43:00,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:00,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:00,706 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:00,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:00,734 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,735 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 26 treesize of output 22 [2021-11-03 03:43:00,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:00,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:00,739 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:00,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:00,759 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-03 03:43:00,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:00,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 03:43:00,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:00,765 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-03 03:43:00,774 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:43:01,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:43:01,693 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:43:01,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-03 03:43:01,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183395224] [2021-11-03 03:43:01,694 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 03:43:01,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:43:01,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 03:43:01,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2021-11-03 03:43:01,695 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2021-11-03 03:43:01,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:01,775 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2021-11-03 03:43:01,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-03 03:43:01,776 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 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 8 [2021-11-03 03:43:01,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:01,776 INFO L225 Difference]: With dead ends: 13 [2021-11-03 03:43:01,776 INFO L226 Difference]: Without dead ends: 10 [2021-11-03 03:43:01,777 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2021-11-03 03:43:01,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-03 03:43:01,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-03 03:43:01,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2021-11-03 03:43:01,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-11-03 03:43:01,780 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 8 [2021-11-03 03:43:01,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:01,780 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-11-03 03:43:01,781 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 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) [2021-11-03 03:43:01,781 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-03 03:43:01,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-03 03:43:01,782 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:01,782 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:43:01,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:01,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:43:01,993 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:43:01,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:01,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1906926587, now seen corresponding path program 2 times [2021-11-03 03:43:01,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:43:01,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219621398] [2021-11-03 03:43:01,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:01,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:43:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:02,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:43:02,075 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:43:02,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219621398] [2021-11-03 03:43:02,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219621398] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:43:02,076 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325839738] [2021-11-03 03:43:02,076 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 03:43:02,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:43:02,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:43:02,077 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:43:02,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-03 03:43:02,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-03 03:43:02,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:43:02,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-03 03:43:02,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:02,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:43:02,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:02,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:43:02,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325839738] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:43:02,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2094658015] [2021-11-03 03:43:02,297 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:43:02,298 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:43:02,298 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:43:02,298 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:43:02,299 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:43:02,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:02,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:43:02,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:02,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:02,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:43:02,316 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 21=[|v_#valid_23|]} [2021-11-03 03:43:02,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:43:02,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:02,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:02,333 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:02,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:02,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 31 treesize of output 30 [2021-11-03 03:43:02,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:43:02,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:43:02,368 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:02,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:02,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:43:02,381 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:02,381 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-03 03:43:02,405 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-03 03:43:02,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:02,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 03:43:02,409 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:02,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:43:02,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-03 03:43:02,426 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_21|], 28=[|v_#valid_24|]} [2021-11-03 03:43:02,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,540 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:43:02,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-03 03:43:02,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:43:02,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:43:02,546 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:02,571 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:43:02,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:02,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:02,574 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:02,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:02,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-03 03:43:02,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:43:02,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:43:02,625 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:02,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:02,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,644 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:43:02,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 03:43:02,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:02,651 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:456, output treesize:213 [2021-11-03 03:43:02,663 INFO L180 QuantifierPusher]: treesize reduction 34, result has 87.5 percent of original size [2021-11-03 03:43:02,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:02,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 03:43:02,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-11-03 03:43:02,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:02,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 112 [2021-11-03 03:43:02,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:43:02,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:43:02,730 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:02,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:02,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 03:43:02,752 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:02,753 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:224, output treesize:220 [2021-11-03 03:43:02,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:02,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:02,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:02,913 INFO L180 QuantifierPusher]: treesize reduction 34, result has 94.0 percent of original size [2021-11-03 03:43:02,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:02,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:02,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:43:02,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:02,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:43:02,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 474 [2021-11-03 03:43:02,959 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:02,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:02,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 455 [2021-11-03 03:43:02,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-03 03:43:03,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 127 [2021-11-03 03:43:03,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:43:03,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:43:03,138 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:03,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:43:03,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:43:03,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:43:03,212 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:03,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,327 INFO L180 QuantifierPusher]: treesize reduction 126, result has 79.7 percent of original size [2021-11-03 03:43:03,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 496 [2021-11-03 03:43:03,340 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:03,340 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:630, output treesize:496 [2021-11-03 03:43:03,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,469 INFO L180 QuantifierPusher]: treesize reduction 82, result has 49.1 percent of original size [2021-11-03 03:43:03,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:03,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 03:43:03,480 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 [2021-11-03 03:43:03,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:03,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:03,484 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:03,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,489 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 03:43:03,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:03,493 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-03 03:43:03,501 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-03 03:43:03,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 03:43:03,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,512 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:03,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:43:03,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 115 [2021-11-03 03:43:03,525 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 [2021-11-03 03:43:03,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:03,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:03,527 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:03,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,531 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 03:43:03,540 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:03,540 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:73, output treesize:69 [2021-11-03 03:43:03,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:43:03,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:43:03,599 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:03,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:43:03,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 03:43:03,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 03:43:03,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 03:43:03,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-03 03:43:03,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-03 03:43:03,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 231 [2021-11-03 03:43:03,642 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:43:03,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:03,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:03,644 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:03,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,659 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,659 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 [2021-11-03 03:43:03,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:43:03,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:43:03,663 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:03,672 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 [2021-11-03 03:43:03,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:03,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:03,674 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:03,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,705 INFO L180 QuantifierPusher]: treesize reduction 121, result has 54.3 percent of original size [2021-11-03 03:43:03,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 03:43:03,708 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:03,708 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:423, output treesize:144 [2021-11-03 03:43:03,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,790 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-03 03:43:03,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:43:03,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:03,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:03,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:43:03,808 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_4], 6=[|v_#memory_int_48|]} [2021-11-03 03:43:03,817 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 [2021-11-03 03:43:03,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:03,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:03,819 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:03,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,828 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:03,840 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-03 03:43:03,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:03,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:03,843 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:03,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:03,855 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-03 03:43:03,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:03,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 03:43:03,862 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:03,862 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-03 03:43:03,871 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:43:04,684 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:43:04,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:43:04,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-03 03:43:04,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624577098] [2021-11-03 03:43:04,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-03 03:43:04,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:43:04,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-03 03:43:04,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-03 03:43:04,687 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2021-11-03 03:43:04,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:04,745 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2021-11-03 03:43:04,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-03 03:43:04,746 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 9 [2021-11-03 03:43:04,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:04,747 INFO L225 Difference]: With dead ends: 17 [2021-11-03 03:43:04,747 INFO L226 Difference]: Without dead ends: 11 [2021-11-03 03:43:04,748 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2021-11-03 03:43:04,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-03 03:43:04,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-03 03:43:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2021-11-03 03:43:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-11-03 03:43:04,751 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 9 [2021-11-03 03:43:04,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:04,751 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-11-03 03:43:04,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2021-11-03 03:43:04,751 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-03 03:43:04,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 03:43:04,752 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:04,752 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-03 03:43:04,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:04,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:43:04,953 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:43:04,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:04,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1099829186, now seen corresponding path program 3 times [2021-11-03 03:43:04,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:43:04,954 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185518159] [2021-11-03 03:43:04,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:04,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:43:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:05,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:43:05,319 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:43:05,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185518159] [2021-11-03 03:43:05,319 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185518159] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:43:05,320 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974266982] [2021-11-03 03:43:05,320 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 03:43:05,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:43:05,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:43:05,321 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:43:05,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-03 03:43:05,398 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 03:43:05,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:43:05,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-03 03:43:05,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:05,428 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 24 treesize of output 20 [2021-11-03 03:43:05,583 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-11-03 03:43:05,583 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 31 treesize of output 42 [2021-11-03 03:43:05,804 INFO L354 Elim1Store]: treesize reduction 80, result has 45.6 percent of original size [2021-11-03 03:43:05,805 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 75 treesize of output 113 [2021-11-03 03:43:07,609 INFO L354 Elim1Store]: treesize reduction 46, result has 6.1 percent of original size [2021-11-03 03:43:07,610 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 107 treesize of output 78 [2021-11-03 03:43:07,697 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 03:43:07,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:08,216 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-03 03:43:08,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974266982] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:43:08,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1183319607] [2021-11-03 03:43:08,219 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:43:08,219 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:43:08,220 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:43:08,220 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:43:08,220 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:43:08,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:08,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:08,229 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:08,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:43:08,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:43:08,235 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_22|], 21=[|v_#valid_25|]} [2021-11-03 03:43:08,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:43:08,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:08,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:08,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:08,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:08,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 31 treesize of output 30 [2021-11-03 03:43:08,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:43:08,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:43:08,296 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:08,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:08,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:43:08,308 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:08,308 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-03 03:43:08,318 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-03 03:43:08,319 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:08,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 03:43:08,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:08,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:43:08,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-03 03:43:08,332 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_23|], 28=[|v_#valid_26|]} [2021-11-03 03:43:08,342 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:43:08,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:08,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:08,344 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:08,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,385 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:43:08,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-03 03:43:08,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:43:08,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:43:08,390 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:08,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:08,402 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-03 03:43:08,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:43:08,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:43:08,440 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:08,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:08,454 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,469 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:43:08,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 03:43:08,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:08,475 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:456, output treesize:213 [2021-11-03 03:43:08,492 INFO L180 QuantifierPusher]: treesize reduction 34, result has 87.5 percent of original size [2021-11-03 03:43:08,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:08,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:43:08,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-03 03:43:08,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:43:08,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:43:08,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:43:08,561 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:08,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:08,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-11-03 03:43:08,612 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:08,612 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:236, output treesize:232 [2021-11-03 03:43:08,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:08,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:08,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:08,810 INFO L180 QuantifierPusher]: treesize reduction 34, result has 94.1 percent of original size [2021-11-03 03:43:08,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:08,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:08,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-03 03:43:08,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:08,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:43:08,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 484 [2021-11-03 03:43:08,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:08,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2021-11-03 03:43:08,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 547 [2021-11-03 03:43:08,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:08,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:43:08,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:43:08,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:08,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:43:08,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:09,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 132 [2021-11-03 03:43:09,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:43:09,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:43:09,059 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:09,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,172 INFO L180 QuantifierPusher]: treesize reduction 131, result has 79.3 percent of original size [2021-11-03 03:43:09,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 501 [2021-11-03 03:43:09,182 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:09,183 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:640, output treesize:501 [2021-11-03 03:43:09,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,278 INFO L180 QuantifierPusher]: treesize reduction 82, result has 49.1 percent of original size [2021-11-03 03:43:09,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:09,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 03:43:09,289 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 16 treesize of output 12 [2021-11-03 03:43:09,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:09,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:09,291 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:09,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 03:43:09,298 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:09,298 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-03 03:43:09,304 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-03 03:43:09,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 03:43:09,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,311 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:09,312 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-11-03 03:43:09,319 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 [2021-11-03 03:43:09,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:09,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:09,321 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:09,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,327 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-11-03 03:43:09,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-03 03:43:09,328 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:09,329 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:62 [2021-11-03 03:43:09,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:43:09,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,400 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,402 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:43:09,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:43:09,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 03:43:09,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-03 03:43:09,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 03:43:09,419 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:09,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-03 03:43:09,422 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:43:09,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 257 [2021-11-03 03:43:09,428 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-03 03:43:09,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-03 03:43:09,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,451 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,451 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 [2021-11-03 03:43:09,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:09,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:09,454 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:09,461 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:43:09,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:09,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:09,463 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:09,471 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 [2021-11-03 03:43:09,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:09,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:09,474 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:09,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,497 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,504 INFO L180 QuantifierPusher]: treesize reduction 115, result has 55.6 percent of original size [2021-11-03 03:43:09,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 03:43:09,507 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:09,507 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:419, output treesize:144 [2021-11-03 03:43:09,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,561 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-03 03:43:09,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:43:09,567 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:09,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:09,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:43:09,574 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_5], 6=[|v_#memory_int_60|]} [2021-11-03 03:43:09,583 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 [2021-11-03 03:43:09,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:09,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:09,585 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:09,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:09,608 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,609 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 26 treesize of output 22 [2021-11-03 03:43:09,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:09,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:09,622 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:09,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:09,631 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-03 03:43:09,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:09,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 03:43:09,636 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:09,636 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-03 03:43:09,645 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:43:10,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:43:10,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:43:10,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 17 [2021-11-03 03:43:10,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142129123] [2021-11-03 03:43:10,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-03 03:43:10,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:43:10,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-03 03:43:10,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2021-11-03 03:43:10,475 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 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) [2021-11-03 03:43:32,548 WARN L207 SmtUtils]: Spent 17.48 s on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2021-11-03 03:43:45,926 WARN L207 SmtUtils]: Spent 13.22 s on a formula simplification. DAG size of input: 69 DAG size of output: 69 [2021-11-03 03:43:45,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:45,947 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2021-11-03 03:43:45,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-03 03:43:45,948 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 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 [2021-11-03 03:43:45,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:45,949 INFO L225 Difference]: With dead ends: 15 [2021-11-03 03:43:45,949 INFO L226 Difference]: Without dead ends: 12 [2021-11-03 03:43:45,950 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 36.5s TimeCoverageRelationStatistics Valid=150, Invalid=718, Unknown=2, NotChecked=0, Total=870 [2021-11-03 03:43:45,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-11-03 03:43:45,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-11-03 03:43:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 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) [2021-11-03 03:43:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-11-03 03:43:45,955 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2021-11-03 03:43:45,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:45,955 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-11-03 03:43:45,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 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) [2021-11-03 03:43:45,956 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-03 03:43:45,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-03 03:43:45,956 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:45,957 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1] [2021-11-03 03:43:45,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:46,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2021-11-03 03:43:46,158 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:43:46,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:46,158 INFO L85 PathProgramCache]: Analyzing trace with hash 265315170, now seen corresponding path program 4 times [2021-11-03 03:43:46,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:43:46,159 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91896682] [2021-11-03 03:43:46,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:46,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:43:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:46,374 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:43:46,374 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:43:46,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91896682] [2021-11-03 03:43:46,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91896682] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:43:46,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384411664] [2021-11-03 03:43:46,375 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 03:43:46,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:43:46,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:43:46,377 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:43:46,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-03 03:43:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:46,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-03 03:43:46,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:43:46,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:46,800 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:43:46,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384411664] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:43:46,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [10845923] [2021-11-03 03:43:46,803 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:43:46,804 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:43:46,804 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:43:46,804 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:43:46,804 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:43:46,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:46,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:43:46,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:46,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:46,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:43:46,822 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_25|], 21=[|v_#valid_28|]} [2021-11-03 03:43:46,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:43:46,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:46,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:46,848 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:46,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:46,855 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-03 03:43:46,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:43:46,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:43:46,904 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:46,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:46,910 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:43:46,914 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:46,915 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-03 03:43:46,925 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-03 03:43:46,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:46,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 03:43:46,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:46,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:43:46,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-03 03:43:46,940 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_26|], 28=[|v_#valid_29|]} [2021-11-03 03:43:46,950 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:43:46,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:46,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:46,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:46,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:46,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:46,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,010 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:43:47,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-03 03:43:47,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:43:47,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:43:47,014 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:47,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:47,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-03 03:43:47,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:43:47,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:43:47,088 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:47,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:47,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,107 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:43:47,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 03:43:47,112 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:47,113 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:456, output treesize:213 [2021-11-03 03:43:47,124 INFO L180 QuantifierPusher]: treesize reduction 34, result has 87.5 percent of original size [2021-11-03 03:43:47,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:47,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 03:43:47,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-11-03 03:43:47,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 112 [2021-11-03 03:43:47,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:43:47,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:43:47,231 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:47,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:47,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 03:43:47,251 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:47,252 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:224, output treesize:220 [2021-11-03 03:43:47,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:47,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:47,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:47,381 INFO L180 QuantifierPusher]: treesize reduction 34, result has 94.0 percent of original size [2021-11-03 03:43:47,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:47,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:47,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:43:47,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:47,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:43:47,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 474 [2021-11-03 03:43:47,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:47,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 455 [2021-11-03 03:43:47,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-03 03:43:47,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,773 INFO L244 Elim1Store]: Index analysis took 305 ms [2021-11-03 03:43:47,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 127 [2021-11-03 03:43:47,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:43:47,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:43:47,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:47,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:47,978 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:43:47,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:43:47,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:47,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:43:47,986 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:47,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,076 INFO L180 QuantifierPusher]: treesize reduction 126, result has 79.7 percent of original size [2021-11-03 03:43:48,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 496 [2021-11-03 03:43:48,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:48,085 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:630, output treesize:496 [2021-11-03 03:43:48,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,183 INFO L180 QuantifierPusher]: treesize reduction 82, result has 49.1 percent of original size [2021-11-03 03:43:48,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:48,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 03:43:48,198 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 [2021-11-03 03:43:48,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:48,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:48,200 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:48,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,203 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 03:43:48,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:48,206 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-03 03:43:48,215 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-03 03:43:48,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 03:43:48,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,222 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:48,225 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-11-03 03:43:48,241 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 [2021-11-03 03:43:48,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:48,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:48,244 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:48,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,249 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-11-03 03:43:48,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-03 03:43:48,250 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:48,250 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:62 [2021-11-03 03:43:48,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:43:48,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:48,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:43:48,305 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 03:43:48,308 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:43:48,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 03:43:48,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 03:43:48,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-11-03 03:43:48,314 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-03 03:43:48,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-03 03:43:48,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:48,345 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,346 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 [2021-11-03 03:43:48,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:43:48,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:43:48,349 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:48,357 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:43:48,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:48,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:48,360 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:48,375 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 [2021-11-03 03:43:48,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:48,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:48,377 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:48,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,395 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,401 INFO L180 QuantifierPusher]: treesize reduction 119, result has 54.8 percent of original size [2021-11-03 03:43:48,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 03:43:48,404 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:48,404 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:419, output treesize:144 [2021-11-03 03:43:48,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,454 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-03 03:43:48,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:48,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:48,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:43:48,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:43:48,468 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_int_71|], 6=[v_prenex_6]} [2021-11-03 03:43:48,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-03 03:43:48,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:48,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:48,485 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:48,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:48,509 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,510 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 26 treesize of output 22 [2021-11-03 03:43:48,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:48,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:48,514 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:48,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:48,521 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-03 03:43:48,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:48,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 03:43:48,525 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:48,526 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-03 03:43:48,539 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:43:49,969 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:43:49,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:43:49,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2021-11-03 03:43:49,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311012600] [2021-11-03 03:43:49,974 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-03 03:43:49,974 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:43:49,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-03 03:43:49,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-11-03 03:43:49,977 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2021-11-03 03:43:50,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:50,189 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-11-03 03:43:50,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-03 03:43:50,189 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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 11 [2021-11-03 03:43:50,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:50,190 INFO L225 Difference]: With dead ends: 20 [2021-11-03 03:43:50,190 INFO L226 Difference]: Without dead ends: 13 [2021-11-03 03:43:50,191 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 20 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=81, Invalid=261, Unknown=0, NotChecked=0, Total=342 [2021-11-03 03:43:50,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-03 03:43:50,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-03 03:43:50,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2021-11-03 03:43:50,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2021-11-03 03:43:50,196 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2021-11-03 03:43:50,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:50,196 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2021-11-03 03:43:50,196 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2021-11-03 03:43:50,196 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2021-11-03 03:43:50,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-03 03:43:50,197 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:50,197 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1] [2021-11-03 03:43:50,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-03 03:43:50,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:43:50,398 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:43:50,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:50,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1286007525, now seen corresponding path program 5 times [2021-11-03 03:43:50,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:43:50,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565879955] [2021-11-03 03:43:50,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:50,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:43:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:43:51,358 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:43:51,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565879955] [2021-11-03 03:43:51,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565879955] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:43:51,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823415144] [2021-11-03 03:43:51,359 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 03:43:51,359 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:43:51,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:43:51,361 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:43:51,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-03 03:43:51,501 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-03 03:43:51,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:43:51,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-03 03:43:51,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:51,709 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 [2021-11-03 03:43:51,849 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-11-03 03:43:51,849 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 35 [2021-11-03 03:43:52,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:52,189 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-03 03:43:52,189 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 43 treesize of output 45 [2021-11-03 03:43:52,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:52,366 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-03 03:43:52,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 62 treesize of output 50 [2021-11-03 03:43:52,738 INFO L354 Elim1Store]: treesize reduction 246, result has 17.2 percent of original size [2021-11-03 03:43:52,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 12 case distinctions, treesize of input 102 treesize of output 122 [2021-11-03 03:43:52,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:52,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:52,867 INFO L354 Elim1Store]: treesize reduction 22, result has 4.3 percent of original size [2021-11-03 03:43:52,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 29 [2021-11-03 03:43:53,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:53,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:53,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:53,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 43 [2021-11-03 03:43:54,391 INFO L354 Elim1Store]: treesize reduction 70, result has 4.1 percent of original size [2021-11-03 03:43:54,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 126 treesize of output 81 [2021-11-03 03:43:54,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:43:54,549 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:43:54,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [ULTIMATE.start_main_~i~0] [2021-11-03 03:43:54,918 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1989769678] [2021-11-03 03:43:54,920 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:43:54,920 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:43:54,921 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:43:54,921 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:43:54,921 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:43:54,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:54,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:54,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:54,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:43:54,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:54,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:54,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:54,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:43:54,938 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_27|], 21=[|v_#valid_30|]} [2021-11-03 03:43:54,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:54,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:54,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:54,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:43:54,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:54,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:54,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:54,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:54,963 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:54,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:54,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:54,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:54,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:54,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:54,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:54,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 31 treesize of output 30 [2021-11-03 03:43:55,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:43:55,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:43:55,021 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:55,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:55,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:43:55,030 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:55,031 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-03 03:43:55,042 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-03 03:43:55,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:55,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:43:55,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:55,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 03:43:55,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-03 03:43:55,057 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_28|], 28=[|v_#valid_31|]} [2021-11-03 03:43:55,066 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:43:55,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:55,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:55,069 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:55,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,140 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:43:55,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-03 03:43:55,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:43:55,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:43:55,144 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:55,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:55,153 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,204 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-03 03:43:55,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:43:55,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:43:55,214 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:55,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:55,223 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,228 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:43:55,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 03:43:55,232 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:55,232 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:456, output treesize:213 [2021-11-03 03:43:55,241 INFO L180 QuantifierPusher]: treesize reduction 34, result has 87.5 percent of original size [2021-11-03 03:43:55,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:55,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:43:55,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-03 03:43:55,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:43:55,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:43:55,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:43:55,348 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:55,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:55,358 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-11-03 03:43:55,366 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:55,366 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:236, output treesize:232 [2021-11-03 03:43:55,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:55,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:55,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:55,503 INFO L180 QuantifierPusher]: treesize reduction 34, result has 94.1 percent of original size [2021-11-03 03:43:55,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:55,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:55,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:43:55,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:55,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-03 03:43:55,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 484 [2021-11-03 03:43:55,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:55,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2021-11-03 03:43:55,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 547 [2021-11-03 03:43:55,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,855 INFO L244 Elim1Store]: Index analysis took 259 ms [2021-11-03 03:43:55,900 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:43:55,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:43:55,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:55,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:43:55,907 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:55,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:55,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:56,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:56,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:56,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 132 [2021-11-03 03:43:56,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:43:56,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:43:56,056 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:56,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,125 INFO L180 QuantifierPusher]: treesize reduction 131, result has 79.3 percent of original size [2021-11-03 03:43:56,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 501 [2021-11-03 03:43:56,133 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:56,134 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:640, output treesize:501 [2021-11-03 03:43:56,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,210 INFO L180 QuantifierPusher]: treesize reduction 82, result has 49.1 percent of original size [2021-11-03 03:43:56,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:43:56,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 03:43:56,226 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 16 treesize of output 12 [2021-11-03 03:43:56,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:56,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:43:56,229 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:56,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,231 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 03:43:56,234 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:56,235 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-03 03:43:56,242 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-03 03:43:56,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 03:43:56,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:56,253 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-11-03 03:43:56,264 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 [2021-11-03 03:43:56,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:56,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:56,267 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:56,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,271 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-11-03 03:43:56,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-03 03:43:56,273 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:43:56,273 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:62 [2021-11-03 03:43:56,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:43:56,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 03:43:56,325 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:56,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-03 03:43:56,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:43:56,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:43:56,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:43:56,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 03:43:56,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-03 03:43:56,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 257 [2021-11-03 03:43:56,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-03 03:43:56,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-03 03:43:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:56,396 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,397 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 [2021-11-03 03:43:56,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:43:56,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:43:56,400 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:56,416 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 [2021-11-03 03:43:56,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:56,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:56,418 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:56,427 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:43:56,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:56,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:56,429 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:56,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,451 INFO L180 QuantifierPusher]: treesize reduction 119, result has 54.8 percent of original size [2021-11-03 03:43:56,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 03:43:56,454 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:56,454 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:419, output treesize:144 [2021-11-03 03:43:56,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,494 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-03 03:43:56,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:43:56,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:43:56,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:43:56,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:43:56,508 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_int_84|], 6=[v_prenex_7]} [2021-11-03 03:43:56,523 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 [2021-11-03 03:43:56,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:56,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:43:56,526 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:56,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:43:56,549 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,550 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 26 treesize of output 22 [2021-11-03 03:43:56,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:56,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:43:56,554 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:43:56,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:43:56,561 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-03 03:43:56,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:43:56,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 03:43:56,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:43:56,565 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-03 03:43:56,579 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:43:57,934 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:43:57,934 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-03 03:43:57,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-11-03 03:43:57,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391664853] [2021-11-03 03:43:57,935 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-03 03:43:57,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:43:57,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-03 03:43:57,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2021-11-03 03:43:57,937 INFO L87 Difference]: Start difference. First operand 13 states and 14 transitions. Second operand has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2021-11-03 03:43:59,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:43:59,003 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2021-11-03 03:43:59,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-03 03:43:59,004 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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 12 [2021-11-03 03:43:59,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:43:59,005 INFO L225 Difference]: With dead ends: 17 [2021-11-03 03:43:59,005 INFO L226 Difference]: Without dead ends: 14 [2021-11-03 03:43:59,006 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=153, Invalid=903, Unknown=0, NotChecked=0, Total=1056 [2021-11-03 03:43:59,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-03 03:43:59,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-03 03:43:59,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 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) [2021-11-03 03:43:59,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-11-03 03:43:59,010 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 12 [2021-11-03 03:43:59,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:43:59,010 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-11-03 03:43:59,011 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2021-11-03 03:43:59,011 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-11-03 03:43:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-03 03:43:59,011 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:43:59,011 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1, 1] [2021-11-03 03:43:59,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-11-03 03:43:59,212 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:43:59,212 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:43:59,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:43:59,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1211809179, now seen corresponding path program 6 times [2021-11-03 03:43:59,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:43:59,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320451634] [2021-11-03 03:43:59,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:43:59,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:43:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:43:59,424 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:43:59,424 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:43:59,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320451634] [2021-11-03 03:43:59,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320451634] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:43:59,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954287416] [2021-11-03 03:43:59,424 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 03:43:59,424 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:43:59,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:43:59,425 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:43:59,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-03 03:43:59,563 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 03:43:59,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:43:59,565 WARN L261 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-03 03:43:59,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:43:59,579 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 [2021-11-03 03:43:59,654 INFO L354 Elim1Store]: treesize reduction 42, result has 22.2 percent of original size [2021-11-03 03:43:59,655 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 29 treesize of output 28 [2021-11-03 03:43:59,770 INFO L354 Elim1Store]: treesize reduction 96, result has 20.7 percent of original size [2021-11-03 03:43:59,772 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 48 treesize of output 50 [2021-11-03 03:44:00,194 INFO L354 Elim1Store]: treesize reduction 126, result has 37.6 percent of original size [2021-11-03 03:44:00,195 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 6 case distinctions, treesize of input 55 treesize of output 100 [2021-11-03 03:44:01,154 INFO L354 Elim1Store]: treesize reduction 206, result has 42.3 percent of original size [2021-11-03 03:44:01,154 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 114 treesize of output 220 [2021-11-03 03:44:02,326 INFO L354 Elim1Store]: treesize reduction 304, result has 38.6 percent of original size [2021-11-03 03:44:02,326 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 6 new quantified variables, introduced 20 case distinctions, treesize of input 141 treesize of output 274 [2021-11-03 03:44:06,331 INFO L354 Elim1Store]: treesize reduction 364, result has 38.4 percent of original size [2021-11-03 03:44:06,332 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 7 new quantified variables, introduced 27 case distinctions, treesize of input 343 treesize of output 411 [2021-11-03 03:44:34,311 INFO L354 Elim1Store]: treesize reduction 255, result has 18.5 percent of original size [2021-11-03 03:44:34,312 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 452 treesize of output 289 [2021-11-03 03:44:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:44:34,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:45:15,225 WARN L207 SmtUtils]: Spent 38.44 s on a formula simplification that was a NOOP. DAG size: 91 [2021-11-03 03:45:21,978 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:45:21,978 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954287416] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:45:21,978 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [462955800] [2021-11-03 03:45:21,981 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:45:21,981 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:45:21,981 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:45:21,981 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:45:21,982 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:45:21,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:21,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:21,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:21,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:45:21,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:21,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:21,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:45:21,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:45:21,994 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_29|], 21=[|v_#valid_32|]} [2021-11-03 03:45:22,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:45:22,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:45:22,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:45:22,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:22,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:22,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 31 treesize of output 30 [2021-11-03 03:45:22,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:45:22,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:45:22,064 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:22,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:22,069 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:45:22,074 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:22,074 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-03 03:45:22,084 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-03 03:45:22,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:22,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 03:45:22,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:22,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:45:22,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-03 03:45:22,098 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_30|], 28=[|v_#valid_33|]} [2021-11-03 03:45:22,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,231 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:45:22,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-03 03:45:22,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:45:22,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:45:22,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:22,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:45:22,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:22,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:22,245 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:22,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:22,251 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-03 03:45:22,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:45:22,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:45:22,316 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:22,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:22,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,331 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:45:22,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 03:45:22,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:22,336 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:456, output treesize:213 [2021-11-03 03:45:22,347 INFO L180 QuantifierPusher]: treesize reduction 34, result has 87.5 percent of original size [2021-11-03 03:45:22,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:22,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:45:22,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-03 03:45:22,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,459 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:45:22,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:45:22,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:45:22,465 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:22,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:22,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-11-03 03:45:22,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:22,482 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:236, output treesize:232 [2021-11-03 03:45:22,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:22,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:22,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:22,580 INFO L180 QuantifierPusher]: treesize reduction 34, result has 94.1 percent of original size [2021-11-03 03:45:22,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:22,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,602 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:22,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-03 03:45:22,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:22,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:45:22,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 484 [2021-11-03 03:45:22,613 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:22,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2021-11-03 03:45:22,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 547 [2021-11-03 03:45:22,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,907 INFO L244 Elim1Store]: Index analysis took 246 ms [2021-11-03 03:45:22,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:45:22,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:45:22,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:22,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:45:22,961 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:22,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:22,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 132 [2021-11-03 03:45:23,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:45:23,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:45:23,093 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:23,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,154 INFO L180 QuantifierPusher]: treesize reduction 131, result has 79.3 percent of original size [2021-11-03 03:45:23,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 501 [2021-11-03 03:45:23,160 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:45:23,160 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:640, output treesize:501 [2021-11-03 03:45:23,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,233 INFO L180 QuantifierPusher]: treesize reduction 82, result has 49.1 percent of original size [2021-11-03 03:45:23,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:45:23,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 03:45:23,248 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 [2021-11-03 03:45:23,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:45:23,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:45:23,251 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:23,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,256 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 03:45:23,259 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:23,259 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-03 03:45:23,265 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-03 03:45:23,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 03:45:23,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:45:23,271 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-11-03 03:45:23,282 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 11 treesize of output 7 [2021-11-03 03:45:23,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:23,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:23,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:23,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,287 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-11-03 03:45:23,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-03 03:45:23,288 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:23,288 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:62 [2021-11-03 03:45:23,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:45:23,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 03:45:23,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:45:23,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 03:45:23,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 03:45:23,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:45:23,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:45:23,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-11-03 03:45:23,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-03 03:45:23,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-03 03:45:23,361 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:45:23,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:23,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:23,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:23,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,384 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,384 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 [2021-11-03 03:45:23,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:45:23,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:45:23,387 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:23,404 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 [2021-11-03 03:45:23,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:23,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:23,406 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:23,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,426 INFO L180 QuantifierPusher]: treesize reduction 119, result has 54.8 percent of original size [2021-11-03 03:45:23,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 03:45:23,429 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:45:23,429 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:419, output treesize:144 [2021-11-03 03:45:23,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,467 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-03 03:45:23,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:45:23,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:23,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:45:23,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:45:23,484 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_int_104|], 6=[v_prenex_8]} [2021-11-03 03:45:23,500 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 [2021-11-03 03:45:23,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:23,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:23,502 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:23,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,509 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:23,525 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,525 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 26 treesize of output 22 [2021-11-03 03:45:23,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:23,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:23,529 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:23,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:23,533 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-03 03:45:23,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:23,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 03:45:23,539 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:45:23,539 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-03 03:45:23,554 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:45:25,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:45:25,205 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:45:25,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 11] total 27 [2021-11-03 03:45:25,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678069594] [2021-11-03 03:45:25,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-03 03:45:25,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:45:25,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-03 03:45:25,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=781, Unknown=0, NotChecked=0, Total=930 [2021-11-03 03:45:25,208 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 27 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 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) [2021-11-03 03:45:28,586 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse4 (+ c_ULTIMATE.start_main_~a~0.offset 4)) (.cse5 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|))) (and (exists ((v_ULTIMATE.start_main_~i~0_124 Int)) (let ((.cse2 (+ (* 4 v_ULTIMATE.start_main_~i~0_124) c_ULTIMATE.start_main_~a~0.offset)) (.cse3 (= |c_ULTIMATE.start_main_~#sum~0.base| c_ULTIMATE.start_main_~a~0.base)) (.cse0 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse1 (* v_ULTIMATE.start_main_~i~0_124 4))) (and (or (= (select .cse0 (+ c_ULTIMATE.start_main_~a~0.offset .cse1)) 1) (and (= .cse2 |c_ULTIMATE.start_main_~#sum~0.offset|) .cse3)) (or (and .cse3 (= .cse2 (+ 4 |c_ULTIMATE.start_main_~#sum~0.offset|))) (= (select .cse0 (+ c_ULTIMATE.start_main_~a~0.offset (- 4) .cse1)) 1)) (<= c_~N~0 (+ v_ULTIMATE.start_main_~i~0_124 1)) (< v_ULTIMATE.start_main_~i~0_124 c_~N~0) (or (and (= (+ 8 |c_ULTIMATE.start_main_~#sum~0.offset|) .cse2) .cse3) (= (select .cse0 (+ c_ULTIMATE.start_main_~a~0.offset .cse1 (- 8))) 1))))) (= (select (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) .cse4) .cse5) (or (<= c_ULTIMATE.start_main_~i~0 1) (<= 3 c_ULTIMATE.start_main_~i~0) (forall ((|ULTIMATE.start_main_~#sum~0.base| Int) (|ULTIMATE.start_main_~#sum~0.offset| Int)) (<= (let ((.cse8 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base (let ((.cse10 (* c_ULTIMATE.start_main_~i~0 4))) (store (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset .cse10) 1) (+ c_ULTIMATE.start_main_~a~0.offset 4 .cse10) 1))))) (let ((.cse9 (select .cse8 |ULTIMATE.start_main_~#sum~0.base|))) (let ((.cse6 (select (select (store .cse8 |ULTIMATE.start_main_~#sum~0.base| (store .cse9 |ULTIMATE.start_main_~#sum~0.offset| 0)) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 4)))) (let ((.cse7 (select (select (store .cse8 |ULTIMATE.start_main_~#sum~0.base| (store .cse9 |ULTIMATE.start_main_~#sum~0.offset| .cse6)) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 8)))) (+ .cse6 .cse7 (select (select (store .cse8 |ULTIMATE.start_main_~#sum~0.base| (store .cse9 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse6 .cse7))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 12))))))) 4))) (<= c_~N~0 (+ c_ULTIMATE.start_main_~i~0 1)) (or (not (= |c_ULTIMATE.start_main_~#sum~0.base| c_ULTIMATE.start_main_~a~0.base)) (not (= .cse4 |c_ULTIMATE.start_main_~#sum~0.offset|)) (= .cse5 0)) (or (<= .cse5 c_~N~0) (< c_ULTIMATE.start_main_~i~0 c_~N~0)) (= c_ULTIMATE.start_main_~i~0 2))) is different from false [2021-11-03 03:45:38,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:45:38,421 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2021-11-03 03:45:38,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-03 03:45:38,422 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 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 [2021-11-03 03:45:38,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:45:38,422 INFO L225 Difference]: With dead ends: 25 [2021-11-03 03:45:38,423 INFO L226 Difference]: Without dead ends: 16 [2021-11-03 03:45:38,424 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 56.3s TimeCoverageRelationStatistics Valid=296, Invalid=1599, Unknown=1, NotChecked=84, Total=1980 [2021-11-03 03:45:38,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-03 03:45:38,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-03 03:45:38,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 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) [2021-11-03 03:45:38,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-11-03 03:45:38,432 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 13 [2021-11-03 03:45:38,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:45:38,433 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-11-03 03:45:38,433 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 states have internal predecessors, (33), 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) [2021-11-03 03:45:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-03 03:45:38,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-03 03:45:38,434 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:45:38,434 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2021-11-03 03:45:38,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-03 03:45:38,649 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable158 [2021-11-03 03:45:38,649 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:45:38,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:45:38,650 INFO L85 PathProgramCache]: Analyzing trace with hash -2010847422, now seen corresponding path program 7 times [2021-11-03 03:45:38,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:45:38,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241043330] [2021-11-03 03:45:38,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:45:38,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:45:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:45:38,967 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:45:38,968 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:45:38,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241043330] [2021-11-03 03:45:38,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241043330] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:45:38,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406522644] [2021-11-03 03:45:38,968 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 03:45:38,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:45:38,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:45:38,970 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:45:38,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-03 03:45:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:45:39,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-03 03:45:39,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:45:39,564 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:45:39,564 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:45:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:45:39,682 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406522644] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:45:39,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [36864038] [2021-11-03 03:45:39,684 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:45:39,684 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:45:39,685 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:45:39,685 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:45:39,685 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:45:39,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:39,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:45:39,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:39,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:45:39,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:45:39,715 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_32|], 21=[|v_#valid_35|]} [2021-11-03 03:45:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:45:39,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:45:39,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:45:39,737 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:39,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:39,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 31 treesize of output 30 [2021-11-03 03:45:39,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:45:39,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:45:39,778 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:39,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:39,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:45:39,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:39,786 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-03 03:45:39,792 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-03 03:45:39,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:39,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 03:45:39,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:39,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:45:39,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-03 03:45:39,803 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_33|], 28=[|v_#valid_36|]} [2021-11-03 03:45:39,810 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:45:39,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:39,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:39,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:39,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,860 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:45:39,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-03 03:45:39,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:45:39,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:45:39,863 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:39,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:39,872 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-03 03:45:39,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:45:39,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:45:39,922 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:39,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:39,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,929 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:45:39,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 03:45:39,931 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:39,932 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:456, output treesize:213 [2021-11-03 03:45:39,938 INFO L180 QuantifierPusher]: treesize reduction 34, result has 87.5 percent of original size [2021-11-03 03:45:39,940 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:39,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:39,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:45:39,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-03 03:45:39,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:39,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:45:40,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:45:40,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:45:40,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:40,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,067 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-11-03 03:45:40,077 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:40,078 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:236, output treesize:232 [2021-11-03 03:45:40,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,172 INFO L180 QuantifierPusher]: treesize reduction 34, result has 94.1 percent of original size [2021-11-03 03:45:40,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,185 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:45:40,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-03 03:45:40,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 484 [2021-11-03 03:45:40,194 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2021-11-03 03:45:40,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 547 [2021-11-03 03:45:40,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,478 INFO L244 Elim1Store]: Index analysis took 241 ms [2021-11-03 03:45:40,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 132 [2021-11-03 03:45:40,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:45:40,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:45:40,524 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:40,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:45:40,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:45:40,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:45:40,650 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:40,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,700 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,719 INFO L180 QuantifierPusher]: treesize reduction 131, result has 79.3 percent of original size [2021-11-03 03:45:40,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 501 [2021-11-03 03:45:40,729 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:45:40,729 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:640, output treesize:501 [2021-11-03 03:45:40,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,810 INFO L180 QuantifierPusher]: treesize reduction 82, result has 49.1 percent of original size [2021-11-03 03:45:40,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:45:40,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 03:45:40,825 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 [2021-11-03 03:45:40,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:45:40,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:45:40,828 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:40,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 03:45:40,833 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:40,833 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-03 03:45:40,841 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-03 03:45:40,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 03:45:40,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:45:40,850 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-11-03 03:45:40,862 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 [2021-11-03 03:45:40,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:40,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:40,865 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:40,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,869 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-11-03 03:45:40,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-03 03:45:40,870 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:40,870 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:62 [2021-11-03 03:45:40,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:40,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:45:40,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:45:40,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:45:40,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 156 [2021-11-03 03:45:40,934 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 128 [2021-11-03 03:45:40,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:45:40,939 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 03:45:40,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-03 03:45:40,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:45:40,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 257 [2021-11-03 03:45:40,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:40,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-03 03:45:40,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-03 03:45:40,965 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 [2021-11-03 03:45:40,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:40,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:40,969 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:40,976 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:45:40,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:40,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:40,978 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:40,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:40,993 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,993 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 [2021-11-03 03:45:40,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:45:40,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:40,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:45:40,995 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:40,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:41,009 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:41,015 INFO L180 QuantifierPusher]: treesize reduction 119, result has 54.8 percent of original size [2021-11-03 03:45:41,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 03:45:41,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:45:41,018 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:419, output treesize:144 [2021-11-03 03:45:41,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:41,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:41,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:41,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:41,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:41,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:41,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:41,056 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-03 03:45:41,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:41,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:41,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:45:41,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:41,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:41,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:45:41,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:45:41,071 INFO L446 ElimStorePlain]: Different costs {0=[v_prenex_9], 6=[|v_#memory_int_119|]} [2021-11-03 03:45:41,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-03 03:45:41,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:41,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:41,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:41,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:41,084 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:41,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:41,090 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:41,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:41,103 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:41,103 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 26 treesize of output 22 [2021-11-03 03:45:41,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:41,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:41,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:41,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:41,107 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:41,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:41,111 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-03 03:45:41,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:41,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 03:45:41,113 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:45:41,114 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-03 03:45:41,124 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:45:42,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:45:42,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:45:42,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2021-11-03 03:45:42,473 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627225116] [2021-11-03 03:45:42,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-03 03:45:42,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:45:42,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-03 03:45:42,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2021-11-03 03:45:42,476 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 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) [2021-11-03 03:45:42,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:45:42,806 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2021-11-03 03:45:42,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-03 03:45:42,807 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 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 15 [2021-11-03 03:45:42,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:45:42,808 INFO L225 Difference]: With dead ends: 26 [2021-11-03 03:45:42,808 INFO L226 Difference]: Without dead ends: 17 [2021-11-03 03:45:42,809 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=160, Invalid=542, Unknown=0, NotChecked=0, Total=702 [2021-11-03 03:45:42,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-03 03:45:42,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-03 03:45:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 16 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) [2021-11-03 03:45:42,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2021-11-03 03:45:42,815 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 15 [2021-11-03 03:45:42,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:45:42,816 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2021-11-03 03:45:42,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 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) [2021-11-03 03:45:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2021-11-03 03:45:42,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-03 03:45:42,817 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:45:42,817 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 1, 1, 1, 1, 1, 1] [2021-11-03 03:45:42,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-03 03:45:43,017 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable189 [2021-11-03 03:45:43,019 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:45:43,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:45:43,019 INFO L85 PathProgramCache]: Analyzing trace with hash -543820475, now seen corresponding path program 8 times [2021-11-03 03:45:43,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:45:43,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089762851] [2021-11-03 03:45:43,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:45:43,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:45:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:45:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:45:44,687 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:45:44,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089762851] [2021-11-03 03:45:44,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089762851] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:45:44,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91465490] [2021-11-03 03:45:44,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-03 03:45:44,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:45:44,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:45:44,701 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:45:44,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-03 03:45:44,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-03 03:45:44,967 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:45:44,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-03 03:45:44,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:45:45,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 [2021-11-03 03:45:45,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:45,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2021-11-03 03:45:45,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:45,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:45,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:45,409 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 35 treesize of output 37 [2021-11-03 03:45:45,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:45,614 INFO L354 Elim1Store]: treesize reduction 129, result has 19.4 percent of original size [2021-11-03 03:45:45,614 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 57 treesize of output 62 [2021-11-03 03:45:45,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:45,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:45,981 INFO L354 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2021-11-03 03:45:45,981 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 5 case distinctions, treesize of input 64 treesize of output 72 [2021-11-03 03:45:46,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,169 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-03 03:45:46,173 INFO L354 Elim1Store]: treesize reduction 81, result has 1.2 percent of original size [2021-11-03 03:45:46,173 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 5 new quantified variables, introduced 7 case distinctions, treesize of input 86 treesize of output 80 [2021-11-03 03:45:46,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,388 INFO L354 Elim1Store]: treesize reduction 75, result has 1.3 percent of original size [2021-11-03 03:45:46,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 5 case distinctions, treesize of input 83 treesize of output 77 [2021-11-03 03:45:46,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,623 INFO L354 Elim1Store]: treesize reduction 140, result has 0.7 percent of original size [2021-11-03 03:45:46,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 119 treesize of output 173 [2021-11-03 03:45:46,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 52 [2021-11-03 03:45:46,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:46,957 INFO L354 Elim1Store]: treesize reduction 65, result has 1.5 percent of original size [2021-11-03 03:45:46,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 118 treesize of output 56 [2021-11-03 03:45:47,776 INFO L354 Elim1Store]: treesize reduction 628, result has 14.8 percent of original size [2021-11-03 03:45:47,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 33 case distinctions, treesize of input 177 treesize of output 213 [2021-11-03 03:45:48,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:48,959 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 16 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 84 [2021-11-03 03:45:49,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 49 [2021-11-03 03:45:49,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:49,621 INFO L354 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2021-11-03 03:45:49,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 125 treesize of output 77 [2021-11-03 03:45:52,948 INFO L354 Elim1Store]: treesize reduction 250, result has 2.7 percent of original size [2021-11-03 03:45:52,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 216 treesize of output 120 [2021-11-03 03:45:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:45:53,141 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:45:53,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: Shadow problem: [ULTIMATE.start_main_~i~0] [2021-11-03 03:45:53,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [357840799] [2021-11-03 03:45:53,868 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:45:53,868 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:45:53,869 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:45:53,869 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:45:53,869 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:45:53,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:53,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:53,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:53,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:45:53,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:53,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:53,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:45:53,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:45:53,884 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_34|], 21=[|v_#valid_37|]} [2021-11-03 03:45:53,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:53,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:53,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:53,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:45:53,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:53,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:45:53,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:53,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:45:53,904 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:53,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:53,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:53,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:53,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:53,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:53,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:53,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:53,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:53,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:53,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:53,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:53,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 31 treesize of output 30 [2021-11-03 03:45:53,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:53,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:45:53,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:53,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:45:53,966 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:53,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:53,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:53,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:53,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:45:53,981 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:53,981 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-03 03:45:53,991 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-03 03:45:53,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:53,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:53,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:45:53,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:53,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:53,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 03:45:53,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-03 03:45:54,005 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_35|], 28=[|v_#valid_38|]} [2021-11-03 03:45:54,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,131 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:45:54,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-03 03:45:54,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:45:54,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:45:54,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:54,144 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:45:54,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:54,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:54,146 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:54,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:54,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-03 03:45:54,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:45:54,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:45:54,205 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:54,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:54,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,214 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:45:54,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 03:45:54,216 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:54,217 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:456, output treesize:213 [2021-11-03 03:45:54,221 INFO L180 QuantifierPusher]: treesize reduction 34, result has 87.5 percent of original size [2021-11-03 03:45:54,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:54,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-03 03:45:54,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 226 [2021-11-03 03:45:54,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 112 [2021-11-03 03:45:54,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:45:54,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-03 03:45:54,310 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:54,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:54,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 220 [2021-11-03 03:45:54,332 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:54,332 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:224, output treesize:220 [2021-11-03 03:45:54,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:54,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:54,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:54,459 INFO L180 QuantifierPusher]: treesize reduction 34, result has 94.0 percent of original size [2021-11-03 03:45:54,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:54,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:54,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-03 03:45:54,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:54,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:45:54,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 474 [2021-11-03 03:45:54,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:54,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 455 [2021-11-03 03:45:54,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-03 03:45:54,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,863 INFO L244 Elim1Store]: Index analysis took 323 ms [2021-11-03 03:45:54,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 127 [2021-11-03 03:45:54,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:45:54,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:54,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-03 03:45:54,927 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:54,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:54,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:55,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:55,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:55,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:55,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:55,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:55,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:45:55,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:45:55,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:45:55,084 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:55,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,136 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,154 INFO L180 QuantifierPusher]: treesize reduction 126, result has 79.7 percent of original size [2021-11-03 03:45:55,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 496 [2021-11-03 03:45:55,164 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:45:55,164 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:630, output treesize:496 [2021-11-03 03:45:55,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,252 INFO L180 QuantifierPusher]: treesize reduction 82, result has 49.1 percent of original size [2021-11-03 03:45:55,253 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:45:55,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 03:45:55,267 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 [2021-11-03 03:45:55,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:45:55,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:45:55,270 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:55,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,273 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 03:45:55,276 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:55,276 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-03 03:45:55,284 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-03 03:45:55,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 03:45:55,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:45:55,295 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-11-03 03:45:55,307 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 [2021-11-03 03:45:55,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:55,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:55,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:55,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,312 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,313 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-11-03 03:45:55,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-03 03:45:55,315 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:45:55,315 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:62 [2021-11-03 03:45:55,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:45:55,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:45:55,364 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 03:45:55,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 03:45:55,366 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 03:45:55,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:45:55,369 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:45:55,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-11-03 03:45:55,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-03 03:45:55,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-03 03:45:55,401 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 [2021-11-03 03:45:55,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:55,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:55,403 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:55,412 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:45:55,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:55,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:55,414 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:55,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:55,435 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,436 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 [2021-11-03 03:45:55,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:45:55,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:45:55,439 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:55,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,477 INFO L180 QuantifierPusher]: treesize reduction 115, result has 55.6 percent of original size [2021-11-03 03:45:55,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 03:45:55,480 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:45:55,480 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:419, output treesize:144 [2021-11-03 03:45:55,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,534 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-03 03:45:55,536 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:45:55,539 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:45:55,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:45:55,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:45:55,549 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_int_137|], 6=[v_prenex_10]} [2021-11-03 03:45:55,564 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 [2021-11-03 03:45:55,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:55,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:45:55,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:55,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:45:55,592 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,592 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 26 treesize of output 22 [2021-11-03 03:45:55,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:55,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:45:55,597 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:45:55,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:45:55,604 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-03 03:45:55,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:45:55,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 03:45:55,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:45:55,609 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-03 03:45:55,624 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:45:57,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:45:57,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-11-03 03:45:57,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2021-11-03 03:45:57,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923613382] [2021-11-03 03:45:57,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-03 03:45:57,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:45:57,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-03 03:45:57,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=965, Unknown=0, NotChecked=0, Total=1122 [2021-11-03 03:45:57,970 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 15 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2021-11-03 03:45:59,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:45:59,733 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2021-11-03 03:45:59,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-03 03:45:59,734 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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 16 [2021-11-03 03:45:59,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:45:59,734 INFO L225 Difference]: With dead ends: 21 [2021-11-03 03:45:59,734 INFO L226 Difference]: Without dead ends: 18 [2021-11-03 03:45:59,735 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 11 SyntacticMatches, 8 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 719 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=253, Invalid=1553, Unknown=0, NotChecked=0, Total=1806 [2021-11-03 03:45:59,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-03 03:45:59,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-03 03:45:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 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) [2021-11-03 03:45:59,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-11-03 03:45:59,743 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 16 [2021-11-03 03:45:59,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:45:59,743 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-11-03 03:45:59,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2021-11-03 03:45:59,743 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-11-03 03:45:59,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-03 03:45:59,744 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:45:59,744 INFO L513 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1] [2021-11-03 03:45:59,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-03 03:45:59,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable220 [2021-11-03 03:45:59,950 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:45:59,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:45:59,950 INFO L85 PathProgramCache]: Analyzing trace with hash 321716027, now seen corresponding path program 9 times [2021-11-03 03:45:59,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:45:59,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891582131] [2021-11-03 03:45:59,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:45:59,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:45:59,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:46:00,403 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:46:00,403 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:46:00,403 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891582131] [2021-11-03 03:46:00,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891582131] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:46:00,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1082675839] [2021-11-03 03:46:00,404 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-03 03:46:00,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:46:00,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:46:00,407 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:46:00,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-03 03:46:00,811 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-03 03:46:00,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-03 03:46:00,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-03 03:46:00,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:46:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:46:01,285 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:46:01,426 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:46:01,427 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1082675839] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-03 03:46:01,427 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [567122780] [2021-11-03 03:46:01,429 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-03 03:46:01,429 INFO L166 IcfgInterpreter]: Building call graph [2021-11-03 03:46:01,429 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-03 03:46:01,429 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-03 03:46:01,429 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-03 03:46:01,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:01,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-03 03:46:01,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:01,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:46:01,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-03 03:46:01,441 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_37|], 21=[|v_#valid_40|]} [2021-11-03 03:46:01,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-03 03:46:01,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:46:01,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:46:01,462 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:01,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:01,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 31 treesize of output 30 [2021-11-03 03:46:01,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:46:01,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-03 03:46:01,507 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:01,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:01,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-03 03:46:01,513 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:46:01,513 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:185, output treesize:160 [2021-11-03 03:46:01,520 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.5 percent of original size [2021-11-03 03:46:01,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:01,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-03 03:46:01,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:01,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-03 03:46:01,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-03 03:46:01,529 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_38|], 28=[|v_#valid_41|]} [2021-11-03 03:46:01,537 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:46:01,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:46:01,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:46:01,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:01,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,605 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-03 03:46:01,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-03 03:46:01,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:46:01,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-03 03:46:01,609 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:01,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:01,618 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-03 03:46:01,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:46:01,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-03 03:46:01,667 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:01,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:01,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,677 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-03 03:46:01,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-03 03:46:01,679 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:46:01,680 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:456, output treesize:213 [2021-11-03 03:46:01,694 INFO L180 QuantifierPusher]: treesize reduction 34, result has 87.5 percent of original size [2021-11-03 03:46:01,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:01,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:46:01,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 238 [2021-11-03 03:46:01,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:01,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:46:01,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:46:01,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:46:01,808 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:01,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:01,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-11-03 03:46:01,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:46:01,826 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:236, output treesize:232 [2021-11-03 03:46:01,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:01,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:01,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:01,923 INFO L180 QuantifierPusher]: treesize reduction 34, result has 94.1 percent of original size [2021-11-03 03:46:01,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:01,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:01,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-03 03:46:01,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:01,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-03 03:46:01,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 484 [2021-11-03 03:46:01,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:01,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:01,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 465 [2021-11-03 03:46:01,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 547 [2021-11-03 03:46:02,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,366 INFO L244 Elim1Store]: Index analysis took 343 ms [2021-11-03 03:46:02,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 132 [2021-11-03 03:46:02,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:46:02,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-03 03:46:02,420 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:02,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 28 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 117 [2021-11-03 03:46:02,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:46:02,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-03 03:46:02,541 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:02,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,585 INFO L180 QuantifierPusher]: treesize reduction 131, result has 79.3 percent of original size [2021-11-03 03:46:02,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 501 [2021-11-03 03:46:02,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:46:02,591 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:640, output treesize:501 [2021-11-03 03:46:02,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,665 INFO L180 QuantifierPusher]: treesize reduction 82, result has 49.1 percent of original size [2021-11-03 03:46:02,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-03 03:46:02,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-03 03:46:02,679 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 [2021-11-03 03:46:02,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:46:02,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-03 03:46:02,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:02,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,691 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-03 03:46:02,692 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:46:02,693 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-03 03:46:02,698 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-03 03:46:02,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-03 03:46:02,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,706 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:46:02,708 INFO L185 QuantifierPusher]: treesize reduction 3, result has 95.7 percent of original size 67 [2021-11-03 03:46:02,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-03 03:46:02,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:46:02,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:46:02,719 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:02,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,721 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,723 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.4 percent of original size [2021-11-03 03:46:02,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-03 03:46:02,724 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-03 03:46:02,725 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:62 [2021-11-03 03:46:02,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-03 03:46:02,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:46:02,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:46:02,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-03 03:46:02,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-03 03:46:02,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-03 03:46:02,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-03 03:46:02,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 207 [2021-11-03 03:46:02,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-03 03:46:02,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-03 03:46:02,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,807 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,807 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 [2021-11-03 03:46:02,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:46:02,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-03 03:46:02,810 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:02,817 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-03 03:46:02,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:46:02,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:46:02,818 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:02,831 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 [2021-11-03 03:46:02,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:46:02,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:46:02,832 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:02,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,843 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,847 INFO L180 QuantifierPusher]: treesize reduction 119, result has 54.8 percent of original size [2021-11-03 03:46:02,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-03 03:46:02,848 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:46:02,849 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:419, output treesize:144 [2021-11-03 03:46:02,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,883 INFO L180 QuantifierPusher]: treesize reduction 48, result has 70.7 percent of original size [2021-11-03 03:46:02,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-03 03:46:02,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-03 03:46:02,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-03 03:46:02,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 113 [2021-11-03 03:46:02,895 INFO L446 ElimStorePlain]: Different costs {0=[|v_#memory_int_154|], 6=[v_prenex_11]} [2021-11-03 03:46:02,909 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 [2021-11-03 03:46:02,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:46:02,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-03 03:46:02,910 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:02,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:02,929 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,929 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 26 treesize of output 22 [2021-11-03 03:46:02,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:46:02,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-03 03:46:02,933 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-03 03:46:02,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-03 03:46:02,937 INFO L628 ElimStorePlain]: treesize reduction 7, result has 95.0 percent of original size [2021-11-03 03:46:02,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-03 03:46:02,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-03 03:46:02,940 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-03 03:46:02,940 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:169, output treesize:132 [2021-11-03 03:46:02,963 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-03 03:46:04,378 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-03 03:46:04,379 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-03 03:46:04,379 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 22 [2021-11-03 03:46:04,379 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951377667] [2021-11-03 03:46:04,380 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-03 03:46:04,380 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-03 03:46:04,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-03 03:46:04,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2021-11-03 03:46:04,382 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 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) [2021-11-03 03:46:04,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:46:04,764 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2021-11-03 03:46:04,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-03 03:46:04,765 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 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 17 [2021-11-03 03:46:04,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:46:04,765 INFO L225 Difference]: With dead ends: 29 [2021-11-03 03:46:04,766 INFO L226 Difference]: Without dead ends: 19 [2021-11-03 03:46:04,766 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2021-11-03 03:46:04,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-03 03:46:04,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-03 03:46:04,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 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) [2021-11-03 03:46:04,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-11-03 03:46:04,773 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 17 [2021-11-03 03:46:04,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:46:04,774 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-11-03 03:46:04,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 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) [2021-11-03 03:46:04,774 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-11-03 03:46:04,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-03 03:46:04,775 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:46:04,775 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1] [2021-11-03 03:46:04,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-03 03:46:04,975 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable252,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:46:04,976 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:46:04,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:46:04,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1385339006, now seen corresponding path program 10 times [2021-11-03 03:46:04,976 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:46:04,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679851985] [2021-11-03 03:46:04,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:46:04,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:46:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:46:07,353 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 1 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:46:07,354 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-03 03:46:07,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679851985] [2021-11-03 03:46:07,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679851985] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-03 03:46:07,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277754931] [2021-11-03 03:46:07,354 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-03 03:46:07,355 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-03 03:46:07,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:46:07,356 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-03 03:46:07,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c2cac6d-f0d9-44bb-9766-b6ba5620e109/bin/utaipan-aC7eJsxGYH/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-03 03:46:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:46:07,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-03 03:46:07,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:46:07,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-03 03:46:07,753 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 [2021-11-03 03:46:07,810 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 36 treesize of output 31 [2021-11-03 03:46:07,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:07,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:07,821 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 0 case distinctions, treesize of input 23 treesize of output 27 [2021-11-03 03:46:07,916 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 56 treesize of output 49 [2021-11-03 03:46:07,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:07,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:07,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:07,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:07,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:07,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 33 treesize of output 42 [2021-11-03 03:46:08,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:08,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:08,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:08,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:08,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:08,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:08,148 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 52 treesize of output 57 [2021-11-03 03:46:08,517 INFO L354 Elim1Store]: treesize reduction 258, result has 15.7 percent of original size [2021-11-03 03:46:08,517 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 10 case distinctions, treesize of input 72 treesize of output 80 [2021-11-03 03:46:08,979 INFO L354 Elim1Store]: treesize reduction 172, result has 0.6 percent of original size [2021-11-03 03:46:08,980 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 10 case distinctions, treesize of input 79 treesize of output 90 [2021-11-03 03:46:09,240 INFO L354 Elim1Store]: treesize reduction 260, result has 0.4 percent of original size [2021-11-03 03:46:09,241 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 7 new quantified variables, introduced 15 case distinctions, treesize of input 101 treesize of output 107 [2021-11-03 03:46:09,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:09,566 INFO L354 Elim1Store]: treesize reduction 348, result has 0.3 percent of original size [2021-11-03 03:46:09,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 20 case distinctions, treesize of input 110 treesize of output 119 [2021-11-03 03:46:09,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:09,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:09,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:09,825 INFO L354 Elim1Store]: treesize reduction 391, result has 0.3 percent of original size [2021-11-03 03:46:09,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 4 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 25 case distinctions, treesize of input 112 treesize of output 124 [2021-11-03 03:46:10,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:10,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:10,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:10,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:10,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:10,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-03 03:46:10,109 INFO L354 Elim1Store]: treesize reduction 464, result has 0.2 percent of original size [2021-11-03 03:46:10,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 7 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 30 case distinctions, treesize of input 119 treesize of output 134 [2021-11-03 03:46:10,729 INFO L354 Elim1Store]: treesize reduction 918, result has 6.6 percent of original size [2021-11-03 03:46:10,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 10 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 65 case distinctions, treesize of input 115 treesize of output 109 [2021-11-03 03:46:11,075 INFO L354 Elim1Store]: treesize reduction 226, result has 1.3 percent of original size [2021-11-03 03:46:11,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 118 treesize of output 61 [2021-11-03 03:46:11,213 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:46:11,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:47:15,539 WARN L207 SmtUtils]: Spent 33.82 s on a formula simplification that was a NOOP. DAG size: 160 [2021-11-03 03:47:17,560 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#sum~0.offset| Int)) (<= (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|))) (let ((.cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base| (store .cse4 |ULTIMATE.start_main_~#sum~0.offset| 0)) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 4)))) (let ((.cse2 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base| (store .cse4 |ULTIMATE.start_main_~#sum~0.offset| .cse3)) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 8)))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base| (store .cse4 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse2 .cse3))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 12)))) (let ((.cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base| (store .cse4 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse0 .cse2 .cse3))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 16)))) (+ .cse0 .cse1 .cse2 .cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base| (store .cse4 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse0 .cse1 .cse2 .cse3))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 20)))))))) c_~N~0)) is different from false [2021-11-03 03:47:38,539 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#sum~0.offset| Int)) (<= (let ((.cse0 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base (let ((.cse6 (* c_ULTIMATE.start_main_~i~0 4))) (store (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset .cse6) 1) (+ c_ULTIMATE.start_main_~a~0.offset 4 .cse6) 1))))) (let ((.cse1 (select .cse0 |c_ULTIMATE.start_main_~#sum~0.base|))) (let ((.cse2 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse1 |ULTIMATE.start_main_~#sum~0.offset| 0)) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 4)))) (let ((.cse3 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse1 |ULTIMATE.start_main_~#sum~0.offset| .cse2)) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 8)))) (let ((.cse4 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse1 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse2 .cse3))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 12)))) (let ((.cse5 (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse1 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse2 .cse3 .cse4))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 16)))) (+ (select (select (store .cse0 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse1 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse2 .cse3 .cse4 .cse5))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 20)) .cse2 .cse3 .cse4 .cse5))))))) (+ c_ULTIMATE.start_main_~i~0 2))) is different from false [2021-11-03 03:47:40,586 WARN L838 $PredicateComparison]: unable to prove that (forall ((|ULTIMATE.start_main_~#sum~0.offset| Int)) (<= (let ((.cse2 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base (let ((.cse6 (* c_ULTIMATE.start_main_~i~0 4))) (store (store (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset .cse6) 1) (+ c_ULTIMATE.start_main_~a~0.offset 4 .cse6) 1) (+ c_ULTIMATE.start_main_~a~0.offset 8 .cse6) 1))))) (let ((.cse3 (select .cse2 |c_ULTIMATE.start_main_~#sum~0.base|))) (let ((.cse0 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse3 |ULTIMATE.start_main_~#sum~0.offset| 0)) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 4)))) (let ((.cse5 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse3 |ULTIMATE.start_main_~#sum~0.offset| .cse0)) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 8)))) (let ((.cse4 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse3 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse0 .cse5))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 12)))) (let ((.cse1 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse3 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse0 .cse4 .cse5))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 16)))) (+ .cse0 .cse1 (select (select (store .cse2 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse3 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse0 .cse1 .cse4 .cse5))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 20)) .cse4 .cse5))))))) (+ c_ULTIMATE.start_main_~i~0 3))) is different from false [2021-11-03 03:48:07,400 INFO L354 Elim1Store]: treesize reduction 120, result has 0.8 percent of original size [2021-11-03 03:48:07,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 828858457980 treesize of output 810458687964