./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-crafted/zero_sum3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-crafted/zero_sum3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8 --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 d3267df59902b667587c98ecbe021c99cc3d2a5e5866fbd08ee1fb3133370aa4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:08:11,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:08:11,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:08:11,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:08:11,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:08:11,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:08:11,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:08:11,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:08:11,779 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:08:11,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:08:11,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:08:11,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:08:11,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:08:11,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:08:11,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:08:11,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:08:11,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:08:11,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:08:11,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:08:11,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:08:11,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:08:11,822 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:08:11,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:08:11,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:08:11,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:08:11,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:08:11,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:08:11,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:08:11,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:08:11,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:08:11,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:08:11,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:08:11,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:08:11,842 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:08:11,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:08:11,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:08:11,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:08:11,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:08:11,845 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:08:11,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:08:11,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:08:11,848 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:08:11,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:08:11,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:08:11,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:08:11,901 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:08:11,901 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:08:11,901 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:08:11,902 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:08:11,902 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:08:11,909 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:08:11,909 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:08:11,910 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:08:11,911 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:08:11,911 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:08:11,911 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:08:11,912 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:08:11,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:08:11,913 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:08:11,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:08:11,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:08:11,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:08:11,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:08:11,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:08:11,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:08:11,914 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:08:11,915 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:08:11,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:08:11,915 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:08:11,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:08:11,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:08:11,918 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:08:11,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:08:11,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:08:11,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:08:11,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:08:11,920 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:08:11,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:08:11,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:08:11,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:08:11,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:08:11,921 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_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3267df59902b667587c98ecbe021c99cc3d2a5e5866fbd08ee1fb3133370aa4 [2021-11-07 01:08:12,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:08:12,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:08:12,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:08:12,272 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:08:12,273 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:08:12,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-crafted/zero_sum3.c [2021-11-07 01:08:12,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/data/e9a672c10/919d23c516094ba99f99629d32f03439/FLAGa04b47ba9 [2021-11-07 01:08:12,907 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:08:12,908 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/sv-benchmarks/c/array-crafted/zero_sum3.c [2021-11-07 01:08:12,915 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/data/e9a672c10/919d23c516094ba99f99629d32f03439/FLAGa04b47ba9 [2021-11-07 01:08:13,237 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/data/e9a672c10/919d23c516094ba99f99629d32f03439 [2021-11-07 01:08:13,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:08:13,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:08:13,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:08:13,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:08:13,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:08:13,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:08:13" (1/1) ... [2021-11-07 01:08:13,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b46da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13, skipping insertion in model container [2021-11-07 01:08:13,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:08:13" (1/1) ... [2021-11-07 01:08:13,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:08:13,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:08:13,422 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_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/sv-benchmarks/c/array-crafted/zero_sum3.c[400,413] [2021-11-07 01:08:13,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:08:13,467 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:08:13,480 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_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/sv-benchmarks/c/array-crafted/zero_sum3.c[400,413] [2021-11-07 01:08:13,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:08:13,506 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:08:13,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13 WrapperNode [2021-11-07 01:08:13,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:08:13,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:08:13,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:08:13,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:08:13,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13" (1/1) ... [2021-11-07 01:08:13,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13" (1/1) ... [2021-11-07 01:08:13,552 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:08:13,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:08:13,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:08:13,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:08:13,564 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13" (1/1) ... [2021-11-07 01:08:13,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13" (1/1) ... [2021-11-07 01:08:13,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13" (1/1) ... [2021-11-07 01:08:13,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13" (1/1) ... [2021-11-07 01:08:13,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13" (1/1) ... [2021-11-07 01:08:13,579 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13" (1/1) ... [2021-11-07 01:08:13,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13" (1/1) ... [2021-11-07 01:08:13,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:08:13,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:08:13,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:08:13,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:08:13,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13" (1/1) ... [2021-11-07 01:08:13,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:08:13,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:13,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:08:13,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:08:13,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:08:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:08:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:08:13,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:08:13,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:08:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:08:13,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:08:14,206 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:08:14,207 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-11-07 01:08:14,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:08:14 BoogieIcfgContainer [2021-11-07 01:08:14,210 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:08:14,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:08:14,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:08:14,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:08:14,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:08:13" (1/3) ... [2021-11-07 01:08:14,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545a5409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:08:14, skipping insertion in model container [2021-11-07 01:08:14,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:08:13" (2/3) ... [2021-11-07 01:08:14,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545a5409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:08:14, skipping insertion in model container [2021-11-07 01:08:14,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:08:14" (3/3) ... [2021-11-07 01:08:14,220 INFO L111 eAbstractionObserver]: Analyzing ICFG zero_sum3.c [2021-11-07 01:08:14,226 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:08:14,226 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:08:14,287 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:08:14,293 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:08:14,294 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:08:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 14 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) [2021-11-07 01:08:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:08:14,313 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:14,314 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:14,314 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:14,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:14,321 INFO L85 PathProgramCache]: Analyzing trace with hash 797261710, now seen corresponding path program 1 times [2021-11-07 01:08:14,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:14,333 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046811701] [2021-11-07 01:08:14,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:14,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:08:14,524 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:14,525 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046811701] [2021-11-07 01:08:14,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046811701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:14,526 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:14,526 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:08:14,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217196977] [2021-11-07 01:08:14,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:08:14,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:08:14,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:08:14,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:08:14,549 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 14 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) Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2021-11-07 01:08:14,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:14,603 INFO L93 Difference]: Finished difference Result 28 states and 43 transitions. [2021-11-07 01:08:14,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:08:14,606 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) Word has length 11 [2021-11-07 01:08:14,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:14,614 INFO L225 Difference]: With dead ends: 28 [2021-11-07 01:08:14,615 INFO L226 Difference]: Without dead ends: 13 [2021-11-07 01:08:14,617 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 [2021-11-07 01:08:14,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-07 01:08:14,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-07 01:08:14,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 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) [2021-11-07 01:08:14,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2021-11-07 01:08:14,650 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 19 transitions. Word has length 11 [2021-11-07 01:08:14,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:14,651 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 19 transitions. [2021-11-07 01:08:14,651 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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) [2021-11-07 01:08:14,651 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2021-11-07 01:08:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:08:14,652 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:14,652 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:14,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:08:14,653 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:14,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:14,654 INFO L85 PathProgramCache]: Analyzing trace with hash -800631237, now seen corresponding path program 1 times [2021-11-07 01:08:14,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:14,654 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165922502] [2021-11-07 01:08:14,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:14,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:14,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:08:14,756 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:14,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165922502] [2021-11-07 01:08:14,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165922502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:08:14,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:08:14,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 01:08:14,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419399372] [2021-11-07 01:08:14,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:08:14,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:08:14,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:08:14,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:08:14,761 INFO L87 Difference]: Start difference. First operand 13 states and 19 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-11-07 01:08:14,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:14,854 INFO L93 Difference]: Finished difference Result 27 states and 43 transitions. [2021-11-07 01:08:14,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:08:14,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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 [2021-11-07 01:08:14,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:14,857 INFO L225 Difference]: With dead ends: 27 [2021-11-07 01:08:14,857 INFO L226 Difference]: Without dead ends: 19 [2021-11-07 01:08:14,858 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 [2021-11-07 01:08:14,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-07 01:08:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-07 01:08:14,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 18 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) [2021-11-07 01:08:14,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2021-11-07 01:08:14,874 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 25 transitions. Word has length 12 [2021-11-07 01:08:14,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:14,874 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-11-07 01:08:14,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 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) [2021-11-07 01:08:14,875 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-07 01:08:14,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:08:14,876 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:14,877 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:14,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:08:14,878 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:14,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:14,882 INFO L85 PathProgramCache]: Analyzing trace with hash -801296507, now seen corresponding path program 1 times [2021-11-07 01:08:14,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:14,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596524942] [2021-11-07 01:08:14,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:14,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:08:15,043 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:15,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596524942] [2021-11-07 01:08:15,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596524942] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:08:15,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524635640] [2021-11-07 01:08:15,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:15,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:15,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:15,059 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:08:15,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:08:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:15,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:08:15,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:15,328 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:08:15,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:08:15,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524635640] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:08:15,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2084522972] [2021-11-07 01:08:15,468 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:08:15,468 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:08:15,475 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:08:15,483 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:08:15,484 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:08:15,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:15,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:15,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:15,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:15,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:08:15,601 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_12|], 21=[|v_#valid_15|]} [2021-11-07 01:08:15,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:08:15,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:15,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:15,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:15,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:15,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,714 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:08:15,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:08:15,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:15,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:15,729 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:15,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:15,750 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:08:15,765 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:15,767 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:08:15,789 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:08:15,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:15,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:15,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:15,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:08:15,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:08:15,826 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_13|], 15=[|v_#valid_16|]} [2021-11-07 01:08:15,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,865 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:08:15,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:08:15,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:15,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:15,877 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:15,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:15,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:15,972 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:08:15,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:08:15,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:15,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:15,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:15,986 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:15,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,007 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:08:16,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:16,029 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:08:16,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:08:16,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:08:16,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:08:16,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:16,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:08:16,097 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:08:16,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:16,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:16,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:08:16,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:16,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:16,141 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:16,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,205 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:08:16,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:08:16,225 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:16,239 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:08:16,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:16,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:16,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:08:16,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:08:16,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:08:16,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:16,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:16,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,497 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:16,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:16,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:16,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:08:16,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:08:16,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,512 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:16,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:16,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:16,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:16,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:16,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:08:16,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:08:16,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:08:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:16,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:16,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:16,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:16,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:16,593 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:16,619 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 49 treesize of output 50 [2021-11-07 01:08:16,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:16,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:16,629 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:16,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,688 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,712 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:08:16,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:08:16,723 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:08:16,724 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:08:16,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,813 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:08:16,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:16,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:08:16,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:16,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:16,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:16,833 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 [2021-11-07 01:08:16,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:16,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:16,836 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:16,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,839 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:16,845 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:16,845 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:08:16,854 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:08:16,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:08:16,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,913 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-07 01:08:16,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:08:16,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,972 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:16,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:16,981 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:16,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:16,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:16,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:16,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:16,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:17,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:17,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,074 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:17,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:17,082 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:17,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:17,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:17,091 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:17,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:17,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:17,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,170 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:17,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:17,180 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:17,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:17,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:17,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:17,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:17,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:17,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,274 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:17,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:17,286 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:17,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:17,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:17,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:17,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:17,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:17,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,370 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:17,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:17,378 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:17,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:17,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:17,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:17,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:17,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:17,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:17,464 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:17,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:17,473 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:08:18,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:08:18,033 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:08:18,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-07 01:08:18,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441926834] [2021-11-07 01:08:18,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:08:18,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:08:18,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:08:18,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:08:18,036 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) [2021-11-07 01:08:18,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:18,086 INFO L93 Difference]: Finished difference Result 35 states and 47 transitions. [2021-11-07 01:08:18,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:08:18,087 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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 18 [2021-11-07 01:08:18,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:18,088 INFO L225 Difference]: With dead ends: 35 [2021-11-07 01:08:18,088 INFO L226 Difference]: Without dead ends: 20 [2021-11-07 01:08:18,089 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:08:18,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-07 01:08:18,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-07 01:08:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.368421052631579) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:08:18,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-11-07 01:08:18,094 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 26 transitions. Word has length 18 [2021-11-07 01:08:18,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:18,094 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-07 01:08:18,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) [2021-11-07 01:08:18,095 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2021-11-07 01:08:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:08:18,095 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:18,096 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:18,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:18,311 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:18,312 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:18,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:18,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1102992328, now seen corresponding path program 2 times [2021-11-07 01:08:18,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:18,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082617585] [2021-11-07 01:08:18,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:18,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:08:18,409 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:18,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082617585] [2021-11-07 01:08:18,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082617585] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:08:18,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108427180] [2021-11-07 01:08:18,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:08:18,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:18,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:18,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:08:18,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:08:18,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:08:18,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:08:18,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:08:18,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:18,603 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:08:18,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 01:08:18,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108427180] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:08:18,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1554900743] [2021-11-07 01:08:18,705 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:08:18,705 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:08:18,706 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:08:18,706 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:08:18,706 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:08:18,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:18,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:18,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:18,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:18,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:08:18,723 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 21=[|v_#valid_18|]} [2021-11-07 01:08:18,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:08:18,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:18,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:18,738 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:18,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:18,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,774 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:08:18,775 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:08:18,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:18,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:18,780 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:18,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:18,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:08:18,788 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:18,789 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:08:18,794 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:08:18,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:18,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:18,798 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:18,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:08:18,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:08:18,812 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_16|], 15=[|v_#valid_19|]} [2021-11-07 01:08:18,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,831 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:08:18,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:08:18,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:18,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:18,856 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:18,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:18,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,922 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:08:18,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:08:18,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:18,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:18,928 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:18,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:18,935 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:08:18,940 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:18,941 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:08:18,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:18,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:18,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:08:18,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:18,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:18,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:18,955 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:08:18,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:08:18,957 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:18,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:08:18,962 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:08:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:18,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:08:18,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:18,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:18,981 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:18,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:18,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:18,993 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:08:18,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:08:18,997 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:18,997 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:08:19,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:19,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:19,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:08:19,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:08:19,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:08:19,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:19,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:19,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:19,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:19,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,152 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:19,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:08:19,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:08:19,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:19,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:19,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:19,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:19,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:19,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:08:19,173 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:08:19,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:08:19,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:19,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:19,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:19,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:19,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:19,219 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:19,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:19,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:19,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:19,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-07 01:08:19,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:19,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:19,244 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:19,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,295 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,316 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:08:19,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:08:19,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:08:19,328 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:08:19,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,391 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:08:19,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:19,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:08:19,397 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:19,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:19,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:19,406 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 [2021-11-07 01:08:19,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:19,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:19,408 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:19,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:19,415 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:19,416 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:08:19,422 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:08:19,425 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-07 01:08:19,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,463 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-07 01:08:19,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-07 01:08:19,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,503 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:19,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:19,510 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:19,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:19,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:19,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:19,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,579 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:19,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:19,586 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:19,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:19,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,601 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:19,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:19,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,661 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:19,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:19,668 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:19,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:19,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,675 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:19,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:19,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,735 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:19,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:19,742 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:19,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:19,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,748 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:19,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:19,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,807 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:19,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:19,814 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:19,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:19,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:19,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:19,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:19,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:19,881 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:19,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:19,889 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:08:20,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:08:20,473 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:08:20,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2021-11-07 01:08:20,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425647525] [2021-11-07 01:08:20,474 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-07 01:08:20,474 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:08:20,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-07 01:08:20,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:08:20,475 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2021-11-07 01:08:20,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:20,556 INFO L93 Difference]: Finished difference Result 39 states and 55 transitions. [2021-11-07 01:08:20,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:08:20,556 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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 19 [2021-11-07 01:08:20,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:20,557 INFO L225 Difference]: With dead ends: 39 [2021-11-07 01:08:20,557 INFO L226 Difference]: Without dead ends: 26 [2021-11-07 01:08:20,558 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:08:20,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-07 01:08:20,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-07 01:08:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 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) [2021-11-07 01:08:20,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-11-07 01:08:20,563 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 19 [2021-11-07 01:08:20,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:20,564 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-11-07 01:08:20,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2021-11-07 01:08:20,564 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2021-11-07 01:08:20,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-07 01:08:20,565 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:20,566 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:20,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:20,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:20,784 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:20,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:20,784 INFO L85 PathProgramCache]: Analyzing trace with hash 196438190, now seen corresponding path program 3 times [2021-11-07 01:08:20,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:20,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877775954] [2021-11-07 01:08:20,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:20,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:21,795 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:08:21,795 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:21,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877775954] [2021-11-07 01:08:21,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877775954] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:08:21,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392466118] [2021-11-07 01:08:21,796 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:08:21,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:21,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:21,797 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:08:21,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:08:21,891 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:08:21,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:08:21,893 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-07 01:08:21,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:22,442 INFO L354 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2021-11-07 01:08:22,443 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 24 treesize of output 17 [2021-11-07 01:08:22,512 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:08:22,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:22,862 INFO L354 Elim1Store]: treesize reduction 39, result has 52.4 percent of original size [2021-11-07 01:08:22,863 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 35 treesize of output 51 [2021-11-07 01:08:22,993 INFO L354 Elim1Store]: treesize reduction 73, result has 11.0 percent of original size [2021-11-07 01:08:22,994 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 36 treesize of output 18 [2021-11-07 01:08:23,044 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:08:23,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392466118] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:08:23,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [680825801] [2021-11-07 01:08:23,049 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:08:23,049 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:08:23,049 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:08:23,050 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:08:23,050 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:08:23,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,065 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:23,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:23,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:08:23,073 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 21=[|v_#valid_21|]} [2021-11-07 01:08:23,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:08:23,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:23,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:23,087 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:23,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,121 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:08:23,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:08:23,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:23,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:23,129 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:23,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:08:23,137 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:23,137 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:08:23,143 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:08:23,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:23,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:08:23,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:08:23,154 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_19|], 15=[|v_#valid_22|]} [2021-11-07 01:08:23,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,172 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:08:23,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:08:23,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:23,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:23,177 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:23,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,228 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:08:23,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:08:23,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:23,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:23,234 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:23,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:08:23,247 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:23,247 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:08:23,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:23,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:23,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:23,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:23,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:23,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:08:23,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,294 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:23,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:23,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:23,297 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:23,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:08:23,313 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:23,314 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:08:23,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:23,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:08:23,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:08:23,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:08:23,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:08:23,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:23,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:23,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:23,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:23,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:08:23,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:08:23,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:08:23,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:23,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:23,504 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:23,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:23,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:23,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:08:23,515 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:08:23,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:08:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:23,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:23,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:23,566 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:23,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:23,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-07 01:08:23,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:08:23,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:08:23,588 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:23,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,649 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:08:23,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:08:23,658 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:08:23,658 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:08:23,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,714 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:08:23,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:23,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:08:23,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:23,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:23,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:23,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:08:23,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:23,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:23,729 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:23,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,733 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:23,736 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:23,736 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:08:23,742 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:08:23,744 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-07 01:08:23,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,790 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.9 percent of original size [2021-11-07 01:08:23,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:08:23,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,827 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:23,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:23,846 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:23,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:23,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,851 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:23,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:23,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,931 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:23,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:23,937 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:23,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:23,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:23,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:23,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:23,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:23,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,000 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:24,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:24,006 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:24,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:24,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:24,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:24,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:24,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:24,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,078 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:24,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:24,085 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:24,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:24,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:24,090 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:24,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:24,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:24,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,147 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:24,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:24,155 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:24,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:24,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:24,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:24,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:24,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:24,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:24,218 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:24,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:24,226 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:08:24,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:08:24,903 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:08:24,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 19 [2021-11-07 01:08:24,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296676755] [2021-11-07 01:08:24,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-07 01:08:24,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:08:24,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-07 01:08:24,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=484, Unknown=0, NotChecked=0, Total=552 [2021-11-07 01:08:24,905 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. Second operand has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 19 states have internal predecessors, (49), 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) [2021-11-07 01:08:25,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:25,177 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2021-11-07 01:08:25,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 01:08:25,177 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 19 states have internal predecessors, (49), 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 25 [2021-11-07 01:08:25,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:25,179 INFO L225 Difference]: With dead ends: 45 [2021-11-07 01:08:25,179 INFO L226 Difference]: Without dead ends: 42 [2021-11-07 01:08:25,179 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 51 SyntacticMatches, 24 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:08:25,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2021-11-07 01:08:25,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2021-11-07 01:08:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 39 states have internal predecessors, (51), 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) [2021-11-07 01:08:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2021-11-07 01:08:25,187 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 25 [2021-11-07 01:08:25,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:25,188 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2021-11-07 01:08:25,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 19 states have internal predecessors, (49), 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) [2021-11-07 01:08:25,188 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2021-11-07 01:08:25,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:08:25,189 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:25,189 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:25,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:25,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable158 [2021-11-07 01:08:25,412 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:25,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:25,412 INFO L85 PathProgramCache]: Analyzing trace with hash 261601827, now seen corresponding path program 4 times [2021-11-07 01:08:25,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:25,412 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843493329] [2021-11-07 01:08:25,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:25,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:25,498 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:08:25,499 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:25,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843493329] [2021-11-07 01:08:25,499 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843493329] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:08:25,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426415387] [2021-11-07 01:08:25,499 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:08:25,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:25,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:25,504 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:08:25,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 01:08:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:25,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:08:25,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:08:25,752 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:25,834 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:08:25,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426415387] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:08:25,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1675930162] [2021-11-07 01:08:25,837 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:08:25,837 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:08:25,838 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:08:25,838 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:08:25,838 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:08:25,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:25,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:25,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:25,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:25,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:08:25,851 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 21=[|v_#valid_24|]} [2021-11-07 01:08:25,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:08:25,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:25,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:25,867 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:25,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:25,871 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,896 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:08:25,896 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:08:25,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:25,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:25,906 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:25,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:25,909 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:08:25,912 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:25,912 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:08:25,916 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:08:25,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:25,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:25,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:25,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:08:25,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:08:25,924 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_22|], 15=[|v_#valid_25|]} [2021-11-07 01:08:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,940 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:08:25,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:08:25,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:25,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:25,944 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:25,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:25,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:25,988 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:08:25,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:08:25,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:25,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:25,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:25,994 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:25,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:25,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:08:26,009 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:26,010 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:08:26,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:26,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:26,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:26,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:26,022 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:26,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:08:26,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:26,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:26,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:26,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:26,051 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:26,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:08:26,065 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:26,065 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:08:26,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:26,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:08:26,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:08:26,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:08:26,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:08:26,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:26,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:26,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:26,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:26,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:26,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:26,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:26,185 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:26,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:26,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:08:26,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:08:26,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:08:26,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:08:26,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:08:26,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:08:26,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:26,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:26,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:26,237 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 59 treesize of output 55 [2021-11-07 01:08:26,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:08:26,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:08:26,241 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:26,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:26,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:26,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:26,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:26,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:26,260 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:26,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,308 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:08:26,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:08:26,315 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:08:26,315 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:08:26,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,379 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:08:26,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:26,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:08:26,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:26,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:26,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:26,402 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 [2021-11-07 01:08:26,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:26,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:26,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:26,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:26,410 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:26,411 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:08:26,416 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:08:26,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:08:26,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,454 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-07 01:08:26,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:08:26,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,512 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:26,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:26,519 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:26,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:26,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:26,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:26,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,581 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:26,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:26,587 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:26,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:26,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,595 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:26,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:26,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,647 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:26,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:26,654 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:26,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:26,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:26,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:26,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,715 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:26,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:26,720 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:26,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:26,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,725 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:26,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:26,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,782 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:26,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:26,788 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:26,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:26,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:26,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:26,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:26,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:26,847 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:26,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:26,855 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:08:27,399 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:08:27,399 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:08:27,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2021-11-07 01:08:27,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211112305] [2021-11-07 01:08:27,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 01:08:27,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:08:27,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 01:08:27,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:08:27,401 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. Second operand has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 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) [2021-11-07 01:08:27,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:27,577 INFO L93 Difference]: Finished difference Result 78 states and 100 transitions. [2021-11-07 01:08:27,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:08:27,578 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:08:27,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:27,579 INFO L225 Difference]: With dead ends: 78 [2021-11-07 01:08:27,579 INFO L226 Difference]: Without dead ends: 41 [2021-11-07 01:08:27,580 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:08:27,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-11-07 01:08:27,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-11-07 01:08:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.3) internal successors, (52), 40 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:08:27,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2021-11-07 01:08:27,588 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 26 [2021-11-07 01:08:27,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:27,588 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2021-11-07 01:08:27,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.230769230769231) internal successors, (29), 13 states have internal predecessors, (29), 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) [2021-11-07 01:08:27,588 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2021-11-07 01:08:27,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-07 01:08:27,590 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:27,590 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:27,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:27,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable235 [2021-11-07 01:08:27,815 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:27,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:27,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1959144490, now seen corresponding path program 5 times [2021-11-07 01:08:27,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:27,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085053438] [2021-11-07 01:08:27,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:27,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-07 01:08:27,897 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:27,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085053438] [2021-11-07 01:08:27,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085053438] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:08:27,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812831590] [2021-11-07 01:08:27,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:08:27,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:27,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:27,898 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:08:27,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 01:08:28,072 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:08:28,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:08:28,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:08:28,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-07 01:08:28,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:28,329 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-07 01:08:28,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812831590] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:08:28,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [357347479] [2021-11-07 01:08:28,333 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:08:28,333 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:08:28,334 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:08:28,334 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:08:28,334 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:08:28,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:28,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:28,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:08:28,350 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_24|], 21=[|v_#valid_27|]} [2021-11-07 01:08:28,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:08:28,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:28,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:28,363 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:28,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,411 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:08:28,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:08:28,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:28,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:28,416 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:28,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,420 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:08:28,424 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:28,425 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:08:28,429 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:08:28,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:08:28,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:28,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:08:28,437 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_25|], 15=[|v_#valid_28|]} [2021-11-07 01:08:28,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,455 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:08:28,455 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:08:28,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:28,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:28,459 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:28,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,467 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,506 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:08:28,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:08:28,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:28,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:28,512 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:28,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,520 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:08:28,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:28,525 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:08:28,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,536 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,538 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:08:28,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:08:28,540 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,541 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:08:28,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:28,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:08:28,546 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:08:28,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:08:28,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:28,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:28,562 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:28,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,574 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:08:28,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:08:28,578 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:28,578 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:08:28,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:28,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:28,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:08:28,691 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:08:28,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:08:28,702 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:28,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:28,709 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,715 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:28,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:28,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:28,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:08:28,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:08:28,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:28,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:28,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:28,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:28,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:28,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:08:28,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:08:28,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:08:28,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,778 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 49 treesize of output 50 [2021-11-07 01:08:28,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:28,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:28,782 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:28,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:28,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:28,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:28,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:28,805 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:28,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,863 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:08:28,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:08:28,871 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:08:28,871 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:08:28,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,931 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:08:28,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,934 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:28,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:08:28,935 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:28,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:28,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:28,943 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:08:28,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:28,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:28,945 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:28,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,948 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:28,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:28,951 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:28,951 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:08:28,957 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:08:28,959 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-07 01:08:28,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:28,992 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-07 01:08:28,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-07 01:08:29,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,029 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:29,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:29,035 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:29,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:29,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:29,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:29,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:29,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:29,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,097 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:29,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:29,103 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:29,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:29,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:29,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:29,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:29,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:29,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,164 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:29,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:29,169 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:29,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:29,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:29,174 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:29,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:29,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:29,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,241 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:29,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:29,247 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:29,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:29,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:29,252 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:29,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:29,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:29,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,316 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:29,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:29,322 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:29,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:29,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:29,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:29,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:29,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:29,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:29,384 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:29,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:29,391 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:08:29,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:08:29,940 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:08:29,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-07 01:08:29,940 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426658886] [2021-11-07 01:08:29,941 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:08:29,941 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:08:29,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:08:29,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:08:29,942 INFO L87 Difference]: Start difference. First operand 41 states and 52 transitions. Second operand has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 14 states have internal predecessors, (29), 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) [2021-11-07 01:08:30,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:30,121 INFO L93 Difference]: Finished difference Result 62 states and 82 transitions. [2021-11-07 01:08:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:08:30,122 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 14 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2021-11-07 01:08:30,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:30,123 INFO L225 Difference]: With dead ends: 62 [2021-11-07 01:08:30,123 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:08:30,124 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=114, Invalid=392, Unknown=0, NotChecked=0, Total=506 [2021-11-07 01:08:30,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:08:30,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:08:30,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 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) [2021-11-07 01:08:30,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2021-11-07 01:08:30,129 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 27 [2021-11-07 01:08:30,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:30,130 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2021-11-07 01:08:30,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0714285714285716) internal successors, (29), 14 states have internal predecessors, (29), 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) [2021-11-07 01:08:30,130 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2021-11-07 01:08:30,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 01:08:30,132 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:30,132 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:30,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:30,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable312 [2021-11-07 01:08:30,344 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:30,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:30,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1855861477, now seen corresponding path program 6 times [2021-11-07 01:08:30,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:30,344 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756326967] [2021-11-07 01:08:30,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:30,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:08:31,954 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:31,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756326967] [2021-11-07 01:08:31,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756326967] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:08:31,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64879309] [2021-11-07 01:08:31,955 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:08:31,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:31,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:31,960 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:08:31,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 01:08:32,157 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:08:32,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:08:32,160 WARN L261 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 79 conjunts are in the unsatisfiable core [2021-11-07 01:08:32,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:33,195 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:08:33,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:33,944 INFO L354 Elim1Store]: treesize reduction 114, result has 46.0 percent of original size [2021-11-07 01:08:33,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 52 treesize of output 107 [2021-11-07 01:08:34,268 INFO L354 Elim1Store]: treesize reduction 198, result has 6.2 percent of original size [2021-11-07 01:08:34,268 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 53 treesize of output 24 [2021-11-07 01:08:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:08:34,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64879309] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:08:34,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [516649934] [2021-11-07 01:08:34,347 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:08:34,348 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:08:34,348 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:08:34,348 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:08:34,348 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:08:34,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:34,359 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:34,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:08:34,364 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_27|], 21=[|v_#valid_30|]} [2021-11-07 01:08:34,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:08:34,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:34,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:34,376 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:34,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,416 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:08:34,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:08:34,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:34,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:34,421 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:34,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:08:34,427 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:34,428 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:08:34,432 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:08:34,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:34,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:08:34,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:08:34,447 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_28|], 15=[|v_#valid_31|]} [2021-11-07 01:08:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,462 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:08:34,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:08:34,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:34,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:34,465 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:34,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,505 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:08:34,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:08:34,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:34,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:34,510 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:34,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,516 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:08:34,521 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:34,521 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:08:34,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,527 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:34,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:34,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:34,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:34,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:34,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:08:34,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:34,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:34,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:34,553 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:34,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:08:34,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:34,565 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:08:34,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,626 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:08:34,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:34,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:08:34,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:08:34,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:08:34,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:34,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:34,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:34,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:34,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:08:34,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:08:34,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:08:34,687 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,688 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:34,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:34,689 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,691 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:34,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:34,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:34,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:08:34,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:08:34,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:08:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:34,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:34,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:34,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:34,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:34,761 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 59 treesize of output 55 [2021-11-07 01:08:34,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:08:34,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:08:34,765 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:34,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,820 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:08:34,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:08:34,832 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:08:34,832 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:08:34,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,884 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:08:34,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:34,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:08:34,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:34,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:34,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:34,897 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 [2021-11-07 01:08:34,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:34,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:34,899 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:34,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,902 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:34,905 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:34,905 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:08:34,910 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:08:34,912 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-07 01:08:34,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,946 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.3 percent of original size [2021-11-07 01:08:34,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 01:08:34,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,980 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:34,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:34,986 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:34,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:34,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:34,990 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:34,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:34,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:35,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:35,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,041 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:35,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:35,047 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:35,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:35,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:35,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:35,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:35,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:35,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,104 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:35,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:35,110 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:35,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:35,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:35,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:35,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:35,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:35,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,192 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:35,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:35,198 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:35,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:35,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:35,203 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:35,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:35,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:35,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,260 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:35,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:35,266 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:35,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:35,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:35,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:35,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:35,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:35,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:35,327 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:35,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:35,333 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:08:36,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:08:36,078 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:08:36,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 12, 12] total 40 [2021-11-07 01:08:36,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282998410] [2021-11-07 01:08:36,079 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-11-07 01:08:36,079 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:08:36,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-11-07 01:08:36,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1833, Unknown=0, NotChecked=0, Total=1980 [2021-11-07 01:08:36,081 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 40 states, 40 states have (on average 2.1) internal successors, (84), 40 states have internal predecessors, (84), 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) [2021-11-07 01:08:38,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:38,657 INFO L93 Difference]: Finished difference Result 91 states and 110 transitions. [2021-11-07 01:08:38,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-11-07 01:08:38,658 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 2.1) internal successors, (84), 40 states have internal predecessors, (84), 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 32 [2021-11-07 01:08:38,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:38,659 INFO L225 Difference]: With dead ends: 91 [2021-11-07 01:08:38,659 INFO L226 Difference]: Without dead ends: 88 [2021-11-07 01:08:38,662 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 67 SyntacticMatches, 15 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1174 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=363, Invalid=3797, Unknown=0, NotChecked=0, Total=4160 [2021-11-07 01:08:38,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-07 01:08:38,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 47. [2021-11-07 01:08:38,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 46 states have internal predecessors, (57), 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) [2021-11-07 01:08:38,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2021-11-07 01:08:38,674 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 32 [2021-11-07 01:08:38,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:38,675 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2021-11-07 01:08:38,675 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 2.1) internal successors, (84), 40 states have internal predecessors, (84), 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) [2021-11-07 01:08:38,675 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2021-11-07 01:08:38,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-07 01:08:38,676 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:38,676 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:38,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-11-07 01:08:38,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable390,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:38,892 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:38,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:38,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1696714872, now seen corresponding path program 7 times [2021-11-07 01:08:38,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:38,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203953400] [2021-11-07 01:08:38,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:38,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-07 01:08:39,006 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:39,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203953400] [2021-11-07 01:08:39,006 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203953400] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:08:39,006 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492837125] [2021-11-07 01:08:39,006 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:08:39,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:39,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:39,013 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:08:39,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 01:08:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:39,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:08:39,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-07 01:08:39,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:39,648 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-07 01:08:39,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492837125] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:08:39,648 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2145525887] [2021-11-07 01:08:39,650 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:08:39,651 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:08:39,651 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:08:39,651 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:08:39,652 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:08:39,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:39,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:39,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:08:39,664 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_30|], 21=[|v_#valid_33|]} [2021-11-07 01:08:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,673 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:08:39,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:39,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:39,675 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:39,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:39,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,705 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:08:39,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:08:39,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:39,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:39,710 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:39,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:39,713 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:08:39,716 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:39,716 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:08:39,721 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:08:39,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:39,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:08:39,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:08:39,728 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_31|], 15=[|v_#valid_34|]} [2021-11-07 01:08:39,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,746 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:08:39,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:08:39,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:39,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:39,749 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:39,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:39,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,797 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:08:39,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:08:39,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:39,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:39,802 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:39,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:39,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:08:39,812 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:39,813 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:08:39,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:08:39,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:39,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:08:39,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:08:39,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:08:39,828 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:08:39,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:39,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:08:39,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:39,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:39,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:39,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:39,850 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,853 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:08:39,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:08:39,856 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:39,856 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:08:39,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:39,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:39,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:39,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,940 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:39,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:39,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:08:39,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:08:39,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:08:39,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:39,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:39,972 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:39,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:39,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,984 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:39,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:08:39,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:39,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:39,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:08:39,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:40,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,009 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:40,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:40,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:40,011 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:40,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:40,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:40,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:40,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:40,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:40,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:08:40,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:40,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:08:40,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:08:40,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:40,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:40,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:40,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-07 01:08:40,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:40,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:40,068 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:40,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:40,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:40,104 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:40,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:40,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:40,107 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:40,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,145 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,157 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:08:40,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:08:40,164 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:08:40,165 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:08:40,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,223 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:08:40,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:40,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:40,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:40,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:08:40,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:40,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:40,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:40,236 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 [2021-11-07 01:08:40,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:40,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:40,238 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:40,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:40,243 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:40,243 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:08:40,248 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:08:40,250 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-07 01:08:40,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,283 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-07 01:08:40,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-07 01:08:40,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,315 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:40,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:40,321 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:40,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:40,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,325 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:40,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:40,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,376 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:40,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:40,381 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:40,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:40,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,386 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:40,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:40,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,444 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:40,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:40,450 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:40,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:40,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:40,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:40,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,505 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:40,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:40,511 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:40,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:40,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:40,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:40,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,576 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:40,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:40,582 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:40,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:40,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,587 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:40,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:40,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:40,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:40,639 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:40,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:40,645 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:08:41,245 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:08:41,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:08:41,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2021-11-07 01:08:41,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492356597] [2021-11-07 01:08:41,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 01:08:41,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:08:41,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 01:08:41,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:08:41,247 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 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) [2021-11-07 01:08:41,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:41,444 INFO L93 Difference]: Finished difference Result 110 states and 135 transitions. [2021-11-07 01:08:41,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 01:08:41,444 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 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 33 [2021-11-07 01:08:41,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:41,445 INFO L225 Difference]: With dead ends: 110 [2021-11-07 01:08:41,445 INFO L226 Difference]: Without dead ends: 48 [2021-11-07 01:08:41,446 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=131, Invalid=519, Unknown=0, NotChecked=0, Total=650 [2021-11-07 01:08:41,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2021-11-07 01:08:41,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2021-11-07 01:08:41,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 47 states have internal predecessors, (58), 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) [2021-11-07 01:08:41,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2021-11-07 01:08:41,457 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 33 [2021-11-07 01:08:41,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:41,458 INFO L470 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2021-11-07 01:08:41,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.8823529411764706) internal successors, (32), 17 states have internal predecessors, (32), 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) [2021-11-07 01:08:41,458 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2021-11-07 01:08:41,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-07 01:08:41,459 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:41,459 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:41,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:41,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable467 [2021-11-07 01:08:41,664 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:41,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:41,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1894516891, now seen corresponding path program 8 times [2021-11-07 01:08:41,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:41,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214288065] [2021-11-07 01:08:41,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:41,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-07 01:08:41,754 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:41,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214288065] [2021-11-07 01:08:41,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214288065] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:08:41,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979047228] [2021-11-07 01:08:41,755 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:08:41,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:41,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:41,756 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:08:41,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 01:08:42,026 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:08:42,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:08:42,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:08:42,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:42,193 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-07 01:08:42,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-11-07 01:08:42,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979047228] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:08:42,295 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [475871796] [2021-11-07 01:08:42,298 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:08:42,298 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:08:42,299 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:08:42,299 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:08:42,299 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:08:42,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:42,308 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:42,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:08:42,313 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_33|], 21=[|v_#valid_36|]} [2021-11-07 01:08:42,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:08:42,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:42,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:42,326 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:42,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,354 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:08:42,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:08:42,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:42,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:42,358 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:42,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:08:42,364 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:42,364 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:08:42,369 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:08:42,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:42,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:08:42,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:08:42,376 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_34|], 15=[|v_#valid_37|]} [2021-11-07 01:08:42,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,393 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:08:42,394 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:08:42,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:42,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:42,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:42,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,402 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,443 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:08:42,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:08:42,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:42,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:42,448 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:42,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,453 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:08:42,457 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:42,457 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:08:42,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:08:42,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:08:42,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,468 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:08:42,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:42,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:08:42,473 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:08:42,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:08:42,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:42,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:42,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:42,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,497 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:08:42,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:08:42,500 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:42,501 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:08:42,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:42,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:42,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:42,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:42,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:08:42,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:08:42,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:08:42,614 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,619 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,621 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:42,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:42,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:42,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:08:42,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:08:42,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:42,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:42,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:42,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:42,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:42,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:08:42,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:08:42,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:08:42,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:42,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:42,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:42,676 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:42,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:42,694 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 49 treesize of output 50 [2021-11-07 01:08:42,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:42,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:42,698 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:42,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,737 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:08:42,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:08:42,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:08:42,744 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:08:42,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,807 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:08:42,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:42,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:08:42,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:42,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:42,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:42,819 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 [2021-11-07 01:08:42,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:42,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:42,821 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:42,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:42,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:42,826 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:08:42,831 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:08:42,833 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-07 01:08:42,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,878 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-07 01:08:42,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-07 01:08:42,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,912 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:42,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:42,918 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:42,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:42,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:42,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:42,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,971 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:42,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:42,977 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:42,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:42,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:42,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:42,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:42,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:43,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:43,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,031 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:43,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:43,037 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:43,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:43,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:43,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:43,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:43,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:43,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,091 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:43,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:43,096 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:43,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:43,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:43,101 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:43,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:43,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:43,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,149 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:43,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:43,155 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:43,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:43,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:43,160 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:43,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:43,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:43,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:43,218 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:43,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:43,225 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:08:43,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:08:43,673 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:08:43,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2021-11-07 01:08:43,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802610299] [2021-11-07 01:08:43,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 01:08:43,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:08:43,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 01:08:43,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:08:43,674 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 17 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 17 states have internal predecessors, (39), 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) [2021-11-07 01:08:43,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:43,849 INFO L93 Difference]: Finished difference Result 77 states and 97 transitions. [2021-11-07 01:08:43,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 01:08:43,850 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 17 states have internal predecessors, (39), 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 34 [2021-11-07 01:08:43,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:43,850 INFO L225 Difference]: With dead ends: 77 [2021-11-07 01:08:43,850 INFO L226 Difference]: Without dead ends: 40 [2021-11-07 01:08:43,851 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 89 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=543, Unknown=0, NotChecked=0, Total=702 [2021-11-07 01:08:43,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-07 01:08:43,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-11-07 01:08:43,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 39 states have internal predecessors, (46), 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) [2021-11-07 01:08:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2021-11-07 01:08:43,861 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 34 [2021-11-07 01:08:43,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:43,861 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2021-11-07 01:08:43,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.2941176470588234) internal successors, (39), 17 states have internal predecessors, (39), 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) [2021-11-07 01:08:43,862 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2021-11-07 01:08:43,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-07 01:08:43,863 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:43,863 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:43,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:44,067 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable545 [2021-11-07 01:08:44,068 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:44,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:44,068 INFO L85 PathProgramCache]: Analyzing trace with hash 2066954702, now seen corresponding path program 9 times [2021-11-07 01:08:44,068 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:44,068 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987604619] [2021-11-07 01:08:44,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:44,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 1 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:08:46,456 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:46,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987604619] [2021-11-07 01:08:46,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987604619] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:08:46,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408583323] [2021-11-07 01:08:46,456 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:08:46,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:46,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:46,457 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:08:46,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 01:08:46,721 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:08:46,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:08:46,723 WARN L261 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 103 conjunts are in the unsatisfiable core [2021-11-07 01:08:46,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:48,291 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-07 01:08:48,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 31 [2021-11-07 01:08:48,407 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:08:48,407 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:49,388 INFO L354 Elim1Store]: treesize reduction 227, result has 43.3 percent of original size [2021-11-07 01:08:49,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 69 treesize of output 185 [2021-11-07 01:08:50,140 INFO L354 Elim1Store]: treesize reduction 383, result has 4.3 percent of original size [2021-11-07 01:08:50,140 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 70 treesize of output 30 [2021-11-07 01:08:50,225 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:08:50,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408583323] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:08:50,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [216273707] [2021-11-07 01:08:50,227 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:08:50,227 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:08:50,227 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:08:50,228 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:08:50,228 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:08:50,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:50,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:50,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:08:50,237 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_36|], 21=[|v_#valid_39|]} [2021-11-07 01:08:50,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,244 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:08:50,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:50,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:50,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:50,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,283 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:08:50,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:08:50,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:50,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:50,288 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:50,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,299 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:08:50,308 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:50,309 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:08:50,319 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:08:50,319 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:08:50,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:50,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:08:50,332 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_37|], 15=[|v_#valid_40|]} [2021-11-07 01:08:50,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,349 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:08:50,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:08:50,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:50,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:50,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:50,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,402 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:08:50,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:08:50,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:50,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:50,411 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:50,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:08:50,421 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:50,421 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:08:50,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,428 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:08:50,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:50,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:08:50,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:08:50,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:08:50,440 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:08:50,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:08:50,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:50,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:50,455 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:50,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,466 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:08:50,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:08:50,469 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:50,469 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:08:50,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,538 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:50,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:50,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:08:50,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:08:50,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:08:50,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:50,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:50,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:50,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:50,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:50,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:08:50,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:08:50,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:50,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:50,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:50,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:50,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:50,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:08:50,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:08:50,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:08:50,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,673 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 49 treesize of output 50 [2021-11-07 01:08:50,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:50,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:50,677 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:50,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:50,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:50,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:50,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:50,696 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:50,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,741 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:08:50,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:08:50,747 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:08:50,748 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:08:50,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,802 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:08:50,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,806 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:50,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:08:50,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:50,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:50,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:50,815 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 [2021-11-07 01:08:50,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:50,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:50,817 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:50,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:50,822 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:50,822 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:08:50,828 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:08:50,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:08:50,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,861 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-07 01:08:50,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:08:50,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,894 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:50,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:50,900 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:50,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:50,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,905 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:50,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:50,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,955 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:50,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:50,961 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:50,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:50,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,966 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:50,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:50,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:50,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:50,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,018 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:51,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:51,024 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:51,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:51,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:51,028 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:51,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:51,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:51,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,074 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:51,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:51,080 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:51,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:51,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:51,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:51,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:51,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:51,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,151 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:51,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:51,156 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:51,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:51,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:51,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:51,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:51,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:51,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:51,209 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:51,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:51,216 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:08:51,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:08:51,984 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:08:51,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 14, 14] total 49 [2021-11-07 01:08:51,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503939832] [2021-11-07 01:08:51,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-07 01:08:51,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:08:51,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-07 01:08:51,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=2682, Unknown=0, NotChecked=0, Total=2862 [2021-11-07 01:08:51,987 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 49 states, 49 states have (on average 2.0408163265306123) internal successors, (100), 49 states have internal predecessors, (100), 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) [2021-11-07 01:08:55,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:55,799 INFO L93 Difference]: Finished difference Result 109 states and 128 transitions. [2021-11-07 01:08:55,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-07 01:08:55,799 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 2.0408163265306123) internal successors, (100), 49 states have internal predecessors, (100), 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 39 [2021-11-07 01:08:55,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:55,800 INFO L225 Difference]: With dead ends: 109 [2021-11-07 01:08:55,801 INFO L226 Difference]: Without dead ends: 106 [2021-11-07 01:08:55,803 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 80 SyntacticMatches, 21 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1851 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=527, Invalid=5953, Unknown=0, NotChecked=0, Total=6480 [2021-11-07 01:08:55,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-11-07 01:08:55,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 57. [2021-11-07 01:08:55,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 56 states have internal predecessors, (67), 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) [2021-11-07 01:08:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 67 transitions. [2021-11-07 01:08:55,822 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 67 transitions. Word has length 39 [2021-11-07 01:08:55,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:55,823 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 67 transitions. [2021-11-07 01:08:55,823 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.0408163265306123) internal successors, (100), 49 states have internal predecessors, (100), 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) [2021-11-07 01:08:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2021-11-07 01:08:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-07 01:08:55,825 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:55,825 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:55,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:56,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable623,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:56,032 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:56,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:56,032 INFO L85 PathProgramCache]: Analyzing trace with hash -349329745, now seen corresponding path program 10 times [2021-11-07 01:08:56,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:56,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626253694] [2021-11-07 01:08:56,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:56,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-07 01:08:56,136 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:56,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626253694] [2021-11-07 01:08:56,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626253694] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:08:56,137 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241231390] [2021-11-07 01:08:56,137 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:08:56,137 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:56,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:56,138 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:08:56,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 01:08:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:56,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 01:08:56,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-07 01:08:56,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:56,914 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-11-07 01:08:56,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241231390] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:08:56,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1483957222] [2021-11-07 01:08:56,922 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:08:56,922 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:08:56,922 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:08:56,923 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:08:56,923 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:08:56,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:56,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:56,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:56,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:56,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:56,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:56,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:56,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:08:56,933 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_39|], 21=[|v_#valid_42|]} [2021-11-07 01:08:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:56,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:08:56,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:56,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:56,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:56,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:56,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:56,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:56,946 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:56,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:56,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:56,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:56,968 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:08:56,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:08:56,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:56,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:56,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:56,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:56,972 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:56,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:56,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:56,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:56,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:08:56,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:56,978 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:08:56,982 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:08:56,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:56,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:56,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:08:56,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:56,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:56,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:56,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:08:56,990 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_40|], 15=[|v_#valid_43|]} [2021-11-07 01:08:57,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,024 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:08:57,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:08:57,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:57,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:08:57,028 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:57,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,034 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,077 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:08:57,078 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:08:57,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:57,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:57,083 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:57,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:08:57,094 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:57,094 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:08:57,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:08:57,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:08:57,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:08:57,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:57,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:08:57,110 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:08:57,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:08:57,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:57,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:08:57,125 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:57,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,137 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:08:57,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:08:57,140 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:57,141 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:08:57,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,214 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:57,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:57,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:08:57,237 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:08:57,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:08:57,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:57,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:57,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:08:57,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:08:57,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:57,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:57,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:08:57,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:57,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:08:57,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:57,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:08:57,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:08:57,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:08:57,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:08:57,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:08:57,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,321 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 49 treesize of output 50 [2021-11-07 01:08:57,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:57,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:08:57,325 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:57,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:57,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:08:57,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:57,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:08:57,347 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:57,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,391 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:08:57,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:08:57,398 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:08:57,399 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:08:57,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,448 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:08:57,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:57,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:08:57,452 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:57,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:08:57,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:57,460 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 [2021-11-07 01:08:57,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:57,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:57,462 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:57,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:08:57,468 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:08:57,468 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:08:57,474 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:08:57,475 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-07 01:08:57,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,503 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-07 01:08:57,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-07 01:08:57,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,533 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:57,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:57,539 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:57,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:57,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,544 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:57,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:57,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,590 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:57,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:57,595 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:57,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:57,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:57,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:57,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,677 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:57,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:57,683 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:57,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:57,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,688 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:57,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:57,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,734 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:57,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:57,739 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:57,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:57,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,744 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:08:57,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:08:57,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,788 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:57,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:57,793 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:08:57,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:08:57,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:08:57,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:57,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:08:57,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:57,846 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:08:57,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:08:57,853 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:08:58,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:08:58,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:08:58,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2021-11-07 01:08:58,301 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486603754] [2021-11-07 01:08:58,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-11-07 01:08:58,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:08:58,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-11-07 01:08:58,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=482, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:08:58,302 INFO L87 Difference]: Start difference. First operand 57 states and 67 transitions. Second operand has 20 states, 20 states have (on average 1.75) internal successors, (35), 20 states have internal predecessors, (35), 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) [2021-11-07 01:08:58,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:08:58,557 INFO L93 Difference]: Finished difference Result 134 states and 159 transitions. [2021-11-07 01:08:58,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:08:58,558 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 1.75) internal successors, (35), 20 states have internal predecessors, (35), 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 40 [2021-11-07 01:08:58,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:08:58,559 INFO L225 Difference]: With dead ends: 134 [2021-11-07 01:08:58,559 INFO L226 Difference]: Without dead ends: 58 [2021-11-07 01:08:58,560 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:08:58,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-11-07 01:08:58,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2021-11-07 01:08:58,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 57 states have internal predecessors, (68), 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) [2021-11-07 01:08:58,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2021-11-07 01:08:58,578 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 40 [2021-11-07 01:08:58,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:08:58,579 INFO L470 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2021-11-07 01:08:58,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.75) internal successors, (35), 20 states have internal predecessors, (35), 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) [2021-11-07 01:08:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2021-11-07 01:08:58,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-07 01:08:58,580 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:08:58,581 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:08:58,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:08:58,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable701 [2021-11-07 01:08:58,791 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:08:58,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:08:58,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1524937950, now seen corresponding path program 11 times [2021-11-07 01:08:58,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:08:58,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351204653] [2021-11-07 01:08:58,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:08:58,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:08:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:08:58,925 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 01:08:58,925 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:08:58,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351204653] [2021-11-07 01:08:58,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351204653] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:08:58,926 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381816390] [2021-11-07 01:08:58,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:08:58,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:08:58,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:08:58,935 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:08:58,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 01:08:59,454 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-07 01:08:59,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:08:59,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 01:08:59,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:08:59,762 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 01:08:59,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:08:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 01:08:59,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381816390] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:08:59,952 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [937773120] [2021-11-07 01:08:59,953 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:08:59,954 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:08:59,954 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:08:59,954 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:08:59,955 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:08:59,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:59,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:59,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:59,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:08:59,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:08:59,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:59,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:08:59,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:08:59,970 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_41|], 21=[|v_#valid_44|]} [2021-11-07 01:08:59,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:59,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:59,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:59,980 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:08:59,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:59,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:59,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:59,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:08:59,982 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:08:59,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:08:59,985 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:08:59,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:59,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:59,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:59,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:59,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:59,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:08:59,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,007 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:09:00,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:09:00,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:00,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:00,010 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:00,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,012 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:09:00,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:00,014 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:09:00,018 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:09:00,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:09:00,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:00,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:09:00,025 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_42|], 15=[|v_#valid_45|]} [2021-11-07 01:09:00,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,041 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:09:00,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:09:00,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:00,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:00,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:00,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,049 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,083 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:09:00,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:09:00,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:00,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:00,090 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:00,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:09:00,095 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:00,095 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:09:00,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:09:00,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:00,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:09:00,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:09:00,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:09:00,105 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:09:00,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:09:00,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:00,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:00,129 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:00,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,137 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:09:00,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:09:00,140 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:00,140 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:09:00,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,206 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:09:00,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:00,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:09:00,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:09:00,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:09:00,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:00,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:00,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:00,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:00,239 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:09:00,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:09:00,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:09:00,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:00,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:00,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:00,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:00,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:09:00,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:09:00,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:09:00,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:09:00,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:09:00,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:00,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:00,292 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:00,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:00,310 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 49 treesize of output 50 [2021-11-07 01:09:00,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:09:00,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:09:00,314 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:00,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,358 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:09:00,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:09:00,365 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:09:00,365 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:09:00,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,414 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:09:00,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:00,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:09:00,419 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:00,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:00,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:00,426 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 [2021-11-07 01:09:00,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:00,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:00,428 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:00,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:00,434 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:00,434 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:09:00,440 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:09:00,442 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-07 01:09:00,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,471 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-07 01:09:00,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-07 01:09:00,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,501 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:00,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:00,506 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:00,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:00,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,511 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:00,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:00,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,578 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:00,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:00,583 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:00,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:00,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:00,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:00,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,637 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:00,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:00,643 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:00,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:00,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,649 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:00,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:00,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,694 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:00,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:00,700 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:00,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:00,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,704 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:00,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:00,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,749 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:00,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:00,759 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:00,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:00,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:00,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:00,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:00,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:00,804 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:00,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:00,811 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:09:01,316 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:09:01,316 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:09:01,317 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 29 [2021-11-07 01:09:01,317 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219205229] [2021-11-07 01:09:01,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-07 01:09:01,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:09:01,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-07 01:09:01,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=969, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 01:09:01,318 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 29 states, 29 states have (on average 1.793103448275862) internal successors, (52), 29 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:09:01,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:09:01,602 INFO L93 Difference]: Finished difference Result 92 states and 112 transitions. [2021-11-07 01:09:01,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 01:09:01,603 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.793103448275862) internal successors, (52), 29 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2021-11-07 01:09:01,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:09:01,603 INFO L225 Difference]: With dead ends: 92 [2021-11-07 01:09:01,603 INFO L226 Difference]: Without dead ends: 47 [2021-11-07 01:09:01,604 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=253, Invalid=1387, Unknown=0, NotChecked=0, Total=1640 [2021-11-07 01:09:01,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-07 01:09:01,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-07 01:09:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 46 states have internal predecessors, (53), 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) [2021-11-07 01:09:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2021-11-07 01:09:01,619 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 41 [2021-11-07 01:09:01,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:09:01,619 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2021-11-07 01:09:01,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.793103448275862) internal successors, (52), 29 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:09:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2021-11-07 01:09:01,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-07 01:09:01,620 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:09:01,621 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:09:01,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:09:01,823 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable779 [2021-11-07 01:09:01,824 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:09:01,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:09:01,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1528902075, now seen corresponding path program 12 times [2021-11-07 01:09:01,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:09:01,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144326644] [2021-11-07 01:09:01,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:09:01,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:09:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:09:04,727 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 3 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:09:04,727 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:09:04,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144326644] [2021-11-07 01:09:04,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144326644] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:09:04,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171482976] [2021-11-07 01:09:04,727 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:09:04,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:09:04,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:09:04,728 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:09:04,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 01:09:05,132 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:09:05,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:09:05,135 WARN L261 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 127 conjunts are in the unsatisfiable core [2021-11-07 01:09:05,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:09:06,729 INFO L354 Elim1Store]: treesize reduction 58, result has 10.8 percent of original size [2021-11-07 01:09:06,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 31 [2021-11-07 01:09:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:09:06,833 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:09:08,285 INFO L354 Elim1Store]: treesize reduction 378, result has 41.8 percent of original size [2021-11-07 01:09:08,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 87 treesize of output 286 [2021-11-07 01:09:09,735 INFO L354 Elim1Store]: treesize reduction 628, result has 3.2 percent of original size [2021-11-07 01:09:09,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 86 treesize of output 35 [2021-11-07 01:09:09,856 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-07 01:09:09,856 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171482976] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:09:09,856 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [673903700] [2021-11-07 01:09:09,858 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:09:09,858 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:09:09,859 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:09:09,859 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:09:09,859 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:09:09,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:09,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:09:09,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:09,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:09,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:09:09,870 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_44|], 21=[|v_#valid_47|]} [2021-11-07 01:09:09,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:09:09,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:09,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:09,884 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:09,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:09,888 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,925 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:09:09,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:09:09,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:09,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:09,930 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:09,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:09,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:09:09,936 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:09,936 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:09:09,970 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:09:09,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:09,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:09,972 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:09,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:09:09,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:09:09,975 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_45|], 15=[|v_#valid_48|]} [2021-11-07 01:09:09,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:09,988 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:09:09,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:09:09,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:09,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:09,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:09,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:09,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:09,996 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:10,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:10,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:10,031 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:09:10,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:09:10,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:10,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:10,035 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:10,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:09:10,044 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:10,044 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:09:10,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:10,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:10,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,053 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:10,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:10,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:09:10,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:09:10,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:10,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:10,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:09:10,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:10,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:10,069 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:10,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:09:10,077 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:10,077 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:09:10,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:10,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:09:10,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:09:10,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:09:10,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:09:10,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:10,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:10,172 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:10,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:10,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:09:10,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:09:10,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:09:10,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:10,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:10,189 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:10,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:10,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:09:10,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:09:10,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:09:10,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:09:10,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:10,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:10,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:10,246 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 59 treesize of output 55 [2021-11-07 01:09:10,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:09:10,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:09:10,250 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:10,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:10,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:10,267 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:09:10,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:10,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:10,270 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:10,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,317 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:09:10,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:09:10,324 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:09:10,324 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:09:10,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,371 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:09:10,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,374 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:10,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:09:10,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:10,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:10,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:10,382 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 [2021-11-07 01:09:10,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:10,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:10,384 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:10,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,386 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:10,389 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:10,389 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:09:10,394 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:09:10,396 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-07 01:09:10,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,427 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.3 percent of original size [2021-11-07 01:09:10,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 01:09:10,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,458 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:10,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:10,464 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:10,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:10,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:10,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:10,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,516 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:10,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:10,522 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:10,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:10,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,527 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:10,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:10,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,571 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:10,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:10,577 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:10,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:10,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:10,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:10,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,633 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:10,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:10,639 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:10,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:10,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,644 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:10,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:10,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,705 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:10,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:10,711 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:10,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:10,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,715 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:10,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:10,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:10,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:10,758 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:10,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:10,781 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:09:11,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:09:11,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:09:11,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 16, 16] total 62 [2021-11-07 01:09:11,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831614611] [2021-11-07 01:09:11,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2021-11-07 01:09:11,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:09:11,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2021-11-07 01:09:11,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=4173, Unknown=0, NotChecked=0, Total=4422 [2021-11-07 01:09:11,666 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand has 62 states, 62 states have (on average 1.9516129032258065) internal successors, (121), 62 states have internal predecessors, (121), 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) [2021-11-07 01:09:16,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:09:16,262 INFO L93 Difference]: Finished difference Result 127 states and 146 transitions. [2021-11-07 01:09:16,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 01:09:16,263 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 62 states have (on average 1.9516129032258065) internal successors, (121), 62 states have internal predecessors, (121), 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 46 [2021-11-07 01:09:16,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:09:16,264 INFO L225 Difference]: With dead ends: 127 [2021-11-07 01:09:16,264 INFO L226 Difference]: Without dead ends: 124 [2021-11-07 01:09:16,266 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 101 SyntacticMatches, 15 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2651 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=645, Invalid=8285, Unknown=0, NotChecked=0, Total=8930 [2021-11-07 01:09:16,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2021-11-07 01:09:16,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 67. [2021-11-07 01:09:16,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.1666666666666667) internal successors, (77), 66 states have internal predecessors, (77), 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) [2021-11-07 01:09:16,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 77 transitions. [2021-11-07 01:09:16,291 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 77 transitions. Word has length 46 [2021-11-07 01:09:16,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:09:16,292 INFO L470 AbstractCegarLoop]: Abstraction has 67 states and 77 transitions. [2021-11-07 01:09:16,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 1.9516129032258065) internal successors, (121), 62 states have internal predecessors, (121), 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) [2021-11-07 01:09:16,292 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 77 transitions. [2021-11-07 01:09:16,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 01:09:16,293 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:09:16,294 INFO L513 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:09:16,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:09:16,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable857 [2021-11-07 01:09:16,507 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:09:16,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:09:16,508 INFO L85 PathProgramCache]: Analyzing trace with hash -151740136, now seen corresponding path program 13 times [2021-11-07 01:09:16,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:09:16,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948571723] [2021-11-07 01:09:16,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:09:16,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:09:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:09:16,676 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-07 01:09:16,676 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:09:16,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948571723] [2021-11-07 01:09:16,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948571723] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:09:16,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855993999] [2021-11-07 01:09:16,677 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:09:16,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:09:16,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:09:16,680 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:09:16,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 01:09:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:09:17,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 01:09:17,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:09:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-07 01:09:17,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:09:17,580 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-07 01:09:17,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855993999] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:09:17,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [919620239] [2021-11-07 01:09:17,582 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:09:17,582 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:09:17,582 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:09:17,582 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:09:17,582 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:09:17,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:17,595 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:09:17,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:09:17,599 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_47|], 21=[|v_#valid_50|]} [2021-11-07 01:09:17,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:09:17,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:17,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:17,612 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:17,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:17,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,642 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:09:17,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:09:17,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:17,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:17,652 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:17,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:17,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:09:17,656 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:17,656 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:09:17,659 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:09:17,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:17,661 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:09:17,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:09:17,672 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_48|], 15=[|v_#valid_51|]} [2021-11-07 01:09:17,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,688 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:09:17,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:09:17,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:17,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:17,690 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:17,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:17,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,731 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:09:17,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:09:17,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:17,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:17,736 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:17,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:17,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:09:17,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:17,744 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:09:17,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:09:17,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:09:17,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:09:17,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:17,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:09:17,758 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:09:17,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,769 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:09:17,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:17,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:17,772 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:17,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:17,777 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,780 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:09:17,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:09:17,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:17,786 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:09:17,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:17,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:17,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:17,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:17,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:17,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:17,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:09:17,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:09:17,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:09:17,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:09:17,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:17,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:17,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:09:17,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:09:17,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:09:17,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:17,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:17,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:17,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:17,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:09:17,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:09:17,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:17,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:09:17,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:09:17,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,936 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 49 treesize of output 50 [2021-11-07 01:09:17,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:09:17,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:09:17,939 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:17,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:17,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:09:17,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:17,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:17,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:17,960 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:17,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:17,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,002 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:09:18,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:09:18,008 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:09:18,009 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:09:18,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,045 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:09:18,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:18,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:18,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:18,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:09:18,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:18,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:18,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:18,058 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 [2021-11-07 01:09:18,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:18,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:18,060 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:18,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,062 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:18,065 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:18,065 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:09:18,072 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:09:18,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:09:18,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,110 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-07 01:09:18,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:09:18,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,147 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:18,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:18,153 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:18,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:18,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:18,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:18,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,192 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:18,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:18,196 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:18,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:18,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:18,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:18,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,235 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:18,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:18,241 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:18,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:18,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,247 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:18,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:18,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,292 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:18,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:18,296 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:18,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:18,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:18,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:18,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,331 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:18,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:18,335 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:18,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:18,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:18,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:18,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:18,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:18,398 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:18,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:18,403 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:09:18,844 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:09:18,845 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:09:18,845 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2021-11-07 01:09:18,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630685908] [2021-11-07 01:09:18,845 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-07 01:09:18,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:09:18,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-07 01:09:18,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2021-11-07 01:09:18,847 INFO L87 Difference]: Start difference. First operand 67 states and 77 transitions. Second operand has 23 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 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) [2021-11-07 01:09:19,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:09:19,164 INFO L93 Difference]: Finished difference Result 158 states and 183 transitions. [2021-11-07 01:09:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 01:09:19,164 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 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 47 [2021-11-07 01:09:19,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:09:19,165 INFO L225 Difference]: With dead ends: 158 [2021-11-07 01:09:19,166 INFO L226 Difference]: Without dead ends: 68 [2021-11-07 01:09:19,172 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=226, Invalid=896, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 01:09:19,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-07 01:09:19,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-11-07 01:09:19,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.164179104477612) internal successors, (78), 67 states have internal predecessors, (78), 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) [2021-11-07 01:09:19,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2021-11-07 01:09:19,210 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 47 [2021-11-07 01:09:19,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:09:19,210 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2021-11-07 01:09:19,211 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.6521739130434783) internal successors, (38), 23 states have internal predecessors, (38), 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) [2021-11-07 01:09:19,211 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2021-11-07 01:09:19,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-07 01:09:19,212 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:09:19,212 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:09:19,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:09:19,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable934 [2021-11-07 01:09:19,431 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:09:19,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:09:19,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1823627963, now seen corresponding path program 14 times [2021-11-07 01:09:19,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:09:19,432 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411639707] [2021-11-07 01:09:19,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:09:19,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:09:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:09:19,585 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-07 01:09:19,585 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:09:19,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411639707] [2021-11-07 01:09:19,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411639707] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:09:19,585 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705822951] [2021-11-07 01:09:19,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:09:19,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:09:19,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:09:19,586 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:09:19,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 01:09:20,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-07 01:09:20,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:09:20,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 01:09:20,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:09:20,272 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-07 01:09:20,272 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:09:20,408 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-11-07 01:09:20,408 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705822951] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:09:20,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [421901229] [2021-11-07 01:09:20,409 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:09:20,409 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:09:20,410 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:09:20,410 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:09:20,410 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:09:20,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:20,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:09:20,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:09:20,429 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_50|], 21=[|v_#valid_53|]} [2021-11-07 01:09:20,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:09:20,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:20,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:20,440 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:20,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,464 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:09:20,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:09:20,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:20,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:20,469 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:20,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:09:20,474 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:20,475 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:09:20,478 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:09:20,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:09:20,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:20,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:09:20,485 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_51|], 15=[|v_#valid_54|]} [2021-11-07 01:09:20,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,501 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:09:20,502 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:09:20,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:20,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:20,505 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:20,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,545 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:09:20,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:09:20,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:20,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:20,555 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:20,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:09:20,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:20,565 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:09:20,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:20,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:20,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:20,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:20,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:09:20,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:09:20,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:09:20,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:20,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:20,590 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:20,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:09:20,597 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:20,597 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:09:20,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:20,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:09:20,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:09:20,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:09:20,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:09:20,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:20,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:20,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:20,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:20,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,676 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:20,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:20,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:09:20,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:20,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:20,680 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:09:20,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:09:20,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:09:20,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:09:20,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:09:20,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:09:20,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,748 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 59 treesize of output 55 [2021-11-07 01:09:20,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:09:20,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:09:20,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:20,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:09:20,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:20,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:20,771 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:20,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,803 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,815 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:09:20,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:09:20,821 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:09:20,822 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:09:20,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,864 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:09:20,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:20,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:09:20,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:20,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:20,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:20,878 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 [2021-11-07 01:09:20,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:20,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:20,880 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:20,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:20,884 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:20,885 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:09:20,889 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:09:20,891 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-07 01:09:20,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,921 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.3 percent of original size [2021-11-07 01:09:20,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 01:09:20,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,944 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:20,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:20,948 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:20,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:20,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:20,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:20,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,985 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:20,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:20,989 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:20,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:20,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:20,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:20,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:20,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:21,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:21,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,022 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:21,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:21,025 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:21,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:21,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:21,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:21,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:21,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:21,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,060 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:21,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:21,064 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:21,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:21,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:21,068 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:21,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:21,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:21,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,125 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:21,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:21,131 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:21,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:21,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:21,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:21,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:21,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:21,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:21,171 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:21,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:21,176 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:09:21,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:09:21,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:09:21,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2021-11-07 01:09:21,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461111102] [2021-11-07 01:09:21,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2021-11-07 01:09:21,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:09:21,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-11-07 01:09:21,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=607, Unknown=0, NotChecked=0, Total=756 [2021-11-07 01:09:21,606 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 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) [2021-11-07 01:09:21,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:09:21,935 INFO L93 Difference]: Finished difference Result 107 states and 127 transitions. [2021-11-07 01:09:21,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 01:09:21,935 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 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 48 [2021-11-07 01:09:21,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:09:21,936 INFO L225 Difference]: With dead ends: 107 [2021-11-07 01:09:21,936 INFO L226 Difference]: Without dead ends: 54 [2021-11-07 01:09:21,937 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 129 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=276, Invalid=914, Unknown=0, NotChecked=0, Total=1190 [2021-11-07 01:09:21,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-11-07 01:09:21,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-11-07 01:09:21,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 53 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:09:21,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions. [2021-11-07 01:09:21,950 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 48 [2021-11-07 01:09:21,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:09:21,950 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions. [2021-11-07 01:09:21,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 23 states have internal predecessors, (45), 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) [2021-11-07 01:09:21,950 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions. [2021-11-07 01:09:21,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-07 01:09:21,951 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:09:21,951 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:09:21,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:09:22,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1012 [2021-11-07 01:09:22,156 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:09:22,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:09:22,156 INFO L85 PathProgramCache]: Analyzing trace with hash 2929390, now seen corresponding path program 15 times [2021-11-07 01:09:22,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:09:22,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512579052] [2021-11-07 01:09:22,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:09:22,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:09:22,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:09:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 3 proven. 144 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:09:26,376 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:09:26,376 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512579052] [2021-11-07 01:09:26,377 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512579052] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:09:26,377 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200273688] [2021-11-07 01:09:26,377 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:09:26,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:09:26,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:09:26,378 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:09:26,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-07 01:09:26,943 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:09:26,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:09:26,946 WARN L261 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 151 conjunts are in the unsatisfiable core [2021-11-07 01:09:26,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:09:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 01:09:29,781 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:09:31,843 INFO L354 Elim1Store]: treesize reduction 567, result has 40.8 percent of original size [2021-11-07 01:09:31,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 103 treesize of output 407 [2021-11-07 01:09:36,671 INFO L354 Elim1Store]: treesize reduction 933, result has 2.6 percent of original size [2021-11-07 01:09:36,672 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 104 treesize of output 42 [2021-11-07 01:09:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 01:09:36,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200273688] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:09:36,819 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [429468036] [2021-11-07 01:09:36,821 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:09:36,821 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:09:36,821 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:09:36,821 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:09:36,822 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:09:36,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:36,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:09:36,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:36,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:36,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:09:36,831 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_53|], 21=[|v_#valid_56|]} [2021-11-07 01:09:36,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:09:36,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:36,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:36,844 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:36,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:36,847 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,878 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:09:36,878 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:09:36,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:36,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:36,883 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:36,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:36,886 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:09:36,889 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:36,889 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:09:36,893 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:09:36,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:36,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:09:36,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:36,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:36,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:09:36,900 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_54|], 15=[|v_#valid_57|]} [2021-11-07 01:09:36,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,918 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:09:36,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:09:36,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:36,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:36,923 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:36,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:36,928 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:36,972 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:09:36,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:09:36,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:36,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:36,979 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:36,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:36,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:09:36,989 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:36,989 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:09:36,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,996 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:36,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:36,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:36,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:37,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:37,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:37,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:37,005 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:09:37,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:09:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:37,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:37,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:09:37,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:37,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:37,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:37,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:09:37,038 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:37,039 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:09:37,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:37,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:37,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:37,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:09:37,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:09:37,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:09:37,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:09:37,113 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,117 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:37,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:37,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:09:37,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:09:37,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:09:37,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:37,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:37,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:37,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:37,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:09:37,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:09:37,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:09:37,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:09:37,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:37,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:37,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:37,159 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 59 treesize of output 55 [2021-11-07 01:09:37,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:09:37,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:09:37,162 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:37,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:37,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:37,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:09:37,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:37,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:37,178 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:37,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,205 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:09:37,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:09:37,210 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:09:37,210 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:09:37,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,241 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:09:37,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:37,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:09:37,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:37,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:37,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:37,250 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 [2021-11-07 01:09:37,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:37,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:37,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:37,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:37,256 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:37,256 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:09:37,260 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:09:37,261 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-07 01:09:37,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,282 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.9 percent of original size [2021-11-07 01:09:37,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:09:37,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,337 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:37,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:37,340 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:37,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:37,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:37,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:37,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,375 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:37,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:37,379 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:37,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:37,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,383 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:37,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:37,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,414 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:37,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:37,418 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:37,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:37,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,423 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:37,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:37,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,452 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:37,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:37,456 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:37,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:37,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,468 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:37,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:37,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,499 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:37,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:37,512 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:37,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:37,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:37,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:37,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:37,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:37,563 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:37,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:37,569 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:09:38,486 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:09:38,486 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:09:38,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 18, 18] total 66 [2021-11-07 01:09:38,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445978802] [2021-11-07 01:09:38,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2021-11-07 01:09:38,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:09:38,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-11-07 01:09:38,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=4710, Unknown=0, NotChecked=0, Total=4970 [2021-11-07 01:09:38,489 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand has 66 states, 66 states have (on average 2.0) internal successors, (132), 66 states have internal predecessors, (132), 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) [2021-11-07 01:09:42,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:09:42,505 INFO L93 Difference]: Finished difference Result 93 states and 104 transitions. [2021-11-07 01:09:42,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 01:09:42,505 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 2.0) internal successors, (132), 66 states have internal predecessors, (132), 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 53 [2021-11-07 01:09:42,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:09:42,506 INFO L225 Difference]: With dead ends: 93 [2021-11-07 01:09:42,506 INFO L226 Difference]: Without dead ends: 90 [2021-11-07 01:09:42,509 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 101 SyntacticMatches, 39 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2830 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=545, Invalid=8011, Unknown=0, NotChecked=0, Total=8556 [2021-11-07 01:09:42,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-11-07 01:09:42,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 84. [2021-11-07 01:09:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.144578313253012) internal successors, (95), 83 states have internal predecessors, (95), 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) [2021-11-07 01:09:42,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 95 transitions. [2021-11-07 01:09:42,532 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 95 transitions. Word has length 53 [2021-11-07 01:09:42,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:09:42,532 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 95 transitions. [2021-11-07 01:09:42,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.0) internal successors, (132), 66 states have internal predecessors, (132), 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) [2021-11-07 01:09:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2021-11-07 01:09:42,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-07 01:09:42,533 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:09:42,534 INFO L513 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:09:42,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:09:42,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1089 [2021-11-07 01:09:42,735 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:09:42,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:09:42,736 INFO L85 PathProgramCache]: Analyzing trace with hash -514525469, now seen corresponding path program 16 times [2021-11-07 01:09:42,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:09:42,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018047688] [2021-11-07 01:09:42,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:09:42,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:09:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:09:42,888 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 01:09:42,888 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:09:42,888 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018047688] [2021-11-07 01:09:42,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018047688] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:09:42,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1340540790] [2021-11-07 01:09:42,889 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:09:42,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:09:42,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:09:42,904 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:09:42,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-07 01:09:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:09:43,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 01:09:43,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:09:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 01:09:44,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:09:44,138 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 28 proven. 21 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 01:09:44,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1340540790] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:09:44,138 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1269576825] [2021-11-07 01:09:44,139 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:09:44,139 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:09:44,140 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:09:44,140 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:09:44,140 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:09:44,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:09:44,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:44,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:09:44,147 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_56|], 21=[|v_#valid_59|]} [2021-11-07 01:09:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:09:44,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:44,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:44,157 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:44,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,159 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,180 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:09:44,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:09:44,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:44,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:44,199 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:44,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,202 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:09:44,205 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:44,206 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:09:44,210 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:09:44,211 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:44,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:09:44,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:09:44,218 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_57|], 15=[|v_#valid_60|]} [2021-11-07 01:09:44,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,235 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:09:44,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:09:44,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:44,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:44,239 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:44,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,282 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:09:44,283 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:09:44,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:44,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:44,287 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:44,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:09:44,296 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:44,296 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:09:44,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:44,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:44,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:44,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:44,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:09:44,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:09:44,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:09:44,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:44,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:44,348 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:44,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:09:44,362 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:44,362 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:09:44,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,419 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,420 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:44,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:44,422 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,429 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:09:44,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:44,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:09:44,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:09:44,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:09:44,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:44,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:44,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:44,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:44,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:09:44,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,464 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:44,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:44,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:09:44,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:09:44,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:09:44,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:09:44,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:09:44,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:09:44,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,501 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 59 treesize of output 55 [2021-11-07 01:09:44,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:09:44,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:09:44,504 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:44,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:44,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:09:44,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:44,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:44,522 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:44,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,542 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,549 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:09:44,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:09:44,553 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:09:44,554 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:09:44,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,583 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:09:44,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,585 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:44,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:09:44,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:44,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:44,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:44,592 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 [2021-11-07 01:09:44,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:44,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:44,594 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:44,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,595 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:44,597 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:44,597 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:09:44,600 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:09:44,608 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-07 01:09:44,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,639 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.9 percent of original size [2021-11-07 01:09:44,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:09:44,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,667 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:44,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:44,672 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:44,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:44,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:44,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:44,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,718 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:44,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:44,722 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:44,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:44,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,725 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:44,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:44,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,754 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:44,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:44,757 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:44,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:44,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:44,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:44,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,791 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:44,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:44,795 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:44,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:44,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,798 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:44,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:44,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,827 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:44,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:44,831 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:44,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:44,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:44,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:44,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:44,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:44,870 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:44,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:44,877 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:09:45,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:09:45,360 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:09:45,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 25 [2021-11-07 01:09:45,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920761129] [2021-11-07 01:09:45,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-07 01:09:45,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:09:45,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-07 01:09:45,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=696, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:09:45,361 INFO L87 Difference]: Start difference. First operand 84 states and 95 transitions. Second operand has 25 states, 25 states have (on average 1.64) internal successors, (41), 25 states have internal predecessors, (41), 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) [2021-11-07 01:09:45,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:09:45,683 INFO L93 Difference]: Finished difference Result 166 states and 188 transitions. [2021-11-07 01:09:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 01:09:45,683 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.64) internal successors, (41), 25 states have internal predecessors, (41), 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 54 [2021-11-07 01:09:45,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:09:45,684 INFO L225 Difference]: With dead ends: 166 [2021-11-07 01:09:45,684 INFO L226 Difference]: Without dead ends: 85 [2021-11-07 01:09:45,712 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=267, Invalid=1065, Unknown=0, NotChecked=0, Total=1332 [2021-11-07 01:09:45,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-07 01:09:45,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-11-07 01:09:45,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.1428571428571428) internal successors, (96), 84 states have internal predecessors, (96), 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) [2021-11-07 01:09:45,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2021-11-07 01:09:45,745 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 54 [2021-11-07 01:09:45,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:09:45,746 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2021-11-07 01:09:45,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.64) internal successors, (41), 25 states have internal predecessors, (41), 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) [2021-11-07 01:09:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2021-11-07 01:09:45,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 01:09:45,747 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:09:45,747 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:09:45,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2021-11-07 01:09:45,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1166 [2021-11-07 01:09:45,951 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:09:45,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:09:45,951 INFO L85 PathProgramCache]: Analyzing trace with hash 639915542, now seen corresponding path program 17 times [2021-11-07 01:09:45,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:09:45,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603322457] [2021-11-07 01:09:45,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:09:45,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:09:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:09:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 15 proven. 34 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-07 01:09:46,104 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:09:46,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603322457] [2021-11-07 01:09:46,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603322457] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:09:46,104 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527362950] [2021-11-07 01:09:46,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:09:46,104 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:09:46,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:09:46,105 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:09:46,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2021-11-07 01:09:46,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-07 01:09:46,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:09:46,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 01:09:46,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:09:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-07 01:09:47,101 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:09:47,279 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 21 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-07 01:09:47,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527362950] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:09:47,280 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [64559455] [2021-11-07 01:09:47,281 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:09:47,281 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:09:47,282 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:09:47,282 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:09:47,282 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:09:47,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:09:47,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:47,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:09:47,290 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_59|], 21=[|v_#valid_62|]} [2021-11-07 01:09:47,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:09:47,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:47,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:47,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:47,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,326 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:09:47,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:09:47,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:47,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:47,329 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:47,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,331 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:09:47,333 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:47,333 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:09:47,340 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:09:47,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:09:47,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:47,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:09:47,354 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_60|], 15=[|v_#valid_63|]} [2021-11-07 01:09:47,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,370 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:09:47,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:09:47,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:47,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:09:47,373 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:47,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,417 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:09:47,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:09:47,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:47,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:47,421 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:47,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:09:47,429 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:47,429 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:09:47,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,432 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:09:47,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:47,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:09:47,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:09:47,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:09:47,438 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:09:47,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:09:47,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:47,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:09:47,458 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:47,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,462 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,464 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:09:47,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:09:47,466 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:47,466 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:09:47,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:47,511 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:09:47,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:09:47,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:09:47,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:09:47,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:47,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:47,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,529 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:47,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:47,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:09:47,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:09:47,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:09:47,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:09:47,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:09:47,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:47,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:09:47,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:09:47,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:09:47,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:09:47,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:09:47,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,601 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 49 treesize of output 50 [2021-11-07 01:09:47,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:09:47,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:09:47,605 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:47,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:09:47,621 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:09:47,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:47,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:09:47,624 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:47,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,666 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:09:47,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:09:47,673 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:09:47,673 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:09:47,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,709 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:09:47,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,712 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:09:47,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:09:47,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:09:47,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:09:47,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:47,721 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 [2021-11-07 01:09:47,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:47,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:09:47,723 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:09:47,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,725 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:09:47,728 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:09:47,728 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:09:47,733 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:09:47,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:09:47,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,755 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-07 01:09:47,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:09:47,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,776 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:47,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:47,780 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:47,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:47,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:47,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:47,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,828 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:47,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:47,831 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:47,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:47,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:47,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:47,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,864 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:47,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:47,868 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:47,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:47,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,871 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:47,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:47,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,909 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:47,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:47,912 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:47,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:47,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:09:47,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:09:47,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,948 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:47,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:47,952 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:09:47,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:09:47,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,954 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:09:47,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:09:47,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:09:47,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:09:47,982 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:09:47,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:09:47,986 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:09:48,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:09:48,439 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:09:48,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 26 [2021-11-07 01:09:48,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584019723] [2021-11-07 01:09:48,439 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-07 01:09:48,439 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:09:48,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-07 01:09:48,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=747, Unknown=0, NotChecked=0, Total=930 [2021-11-07 01:09:48,440 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand has 26 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 26 states have internal predecessors, (51), 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) [2021-11-07 01:09:48,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:09:48,699 INFO L93 Difference]: Finished difference Result 122 states and 142 transitions. [2021-11-07 01:09:48,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-07 01:09:48,699 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 26 states have internal predecessors, (51), 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 55 [2021-11-07 01:09:48,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:09:48,700 INFO L225 Difference]: With dead ends: 122 [2021-11-07 01:09:48,700 INFO L226 Difference]: Without dead ends: 61 [2021-11-07 01:09:48,701 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 149 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=348, Invalid=1134, Unknown=0, NotChecked=0, Total=1482 [2021-11-07 01:09:48,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-07 01:09:48,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2021-11-07 01:09:48,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 60 states have (on average 1.1166666666666667) internal successors, (67), 60 states have internal predecessors, (67), 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) [2021-11-07 01:09:48,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 67 transitions. [2021-11-07 01:09:48,717 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 67 transitions. Word has length 55 [2021-11-07 01:09:48,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:09:48,718 INFO L470 AbstractCegarLoop]: Abstraction has 61 states and 67 transitions. [2021-11-07 01:09:48,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.9615384615384615) internal successors, (51), 26 states have internal predecessors, (51), 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) [2021-11-07 01:09:48,718 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2021-11-07 01:09:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-07 01:09:48,719 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:09:48,719 INFO L513 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:09:48,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2021-11-07 01:09:48,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1243 [2021-11-07 01:09:48,927 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:09:48,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:09:48,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1609630117, now seen corresponding path program 18 times [2021-11-07 01:09:48,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:09:48,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555338717] [2021-11-07 01:09:48,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:09:48,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:09:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:09:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 18 proven. 178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:09:53,290 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:09:53,290 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555338717] [2021-11-07 01:09:53,290 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555338717] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:09:53,291 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774402243] [2021-11-07 01:09:53,291 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:09:53,291 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:09:53,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:09:53,292 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:09:53,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2021-11-07 01:09:54,028 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:09:54,028 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:09:54,031 WARN L261 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 175 conjunts are in the unsatisfiable core [2021-11-07 01:09:54,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:09:56,521 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-07 01:09:56,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:09:59,396 INFO L354 Elim1Store]: treesize reduction 794, result has 40.2 percent of original size [2021-11-07 01:09:59,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 121 treesize of output 552 [2021-11-07 01:10:10,654 INFO L354 Elim1Store]: treesize reduction 1298, result has 2.2 percent of original size [2021-11-07 01:10:10,654 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 120 treesize of output 47 [2021-11-07 01:10:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-07 01:10:10,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774402243] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:10:10,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1277057142] [2021-11-07 01:10:10,779 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:10:10,779 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:10:10,780 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:10:10,780 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:10:10,780 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:10:10,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:10:10,804 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:10,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:10:10,806 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_62|], 21=[|v_#valid_65|]} [2021-11-07 01:10:10,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:10:10,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:10,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:10,824 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:10,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:10,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,846 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:10:10,846 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:10:10,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:10,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:10,850 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:10,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:10,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:10:10,854 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:10,854 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:10:10,856 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:10:10,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:10:10,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:10:10,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:10:10,861 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_63|], 15=[|v_#valid_66|]} [2021-11-07 01:10:10,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,874 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:10:10,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:10:10,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:10:10,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:10:10,876 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:10,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:10,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,913 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:10:10,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:10:10,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:10,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:10,916 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:10,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:10,919 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:10:10,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:10,921 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:10:10,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:10,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:10,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:10,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:10,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:10:10,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:10:10,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:10,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:10:10,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:10,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:10,939 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:10,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:10,943 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:10:10,946 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:10,946 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:10:10,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:10,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:10,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:10,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:10,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:10:10,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:10:10,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:10:10,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:10:10,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:10,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:10,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:10,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:10,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:11,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:11,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:10:11,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:10:11,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:10:11,022 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,023 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:11,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:11,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:11,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:11,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:10:11,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:10:11,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:10:11,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:10:11,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:11,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:11,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:10:11,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:11,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:11,070 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:11,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:11,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:11,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:11,087 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 59 treesize of output 55 [2021-11-07 01:10:11,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:10:11,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:10:11,091 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:11,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,124 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:10:11,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:10:11,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:10:11,128 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:10:11,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,158 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:10:11,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:11,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:10:11,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:11,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:11,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:10:11,178 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 [2021-11-07 01:10:11,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:11,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:11,180 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:11,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,182 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:10:11,185 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:11,185 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:10:11,190 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:10:11,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:10:11,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,218 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-07 01:10:11,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:10:11,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,248 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:11,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:11,254 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:11,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:11,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:11,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:11,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,305 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:11,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:11,310 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:11,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:11,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,315 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:10:11,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:10:11,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,357 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:11,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:11,362 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:11,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:11,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,367 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:10:11,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:10:11,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,451 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:11,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:11,457 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:11,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:11,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,461 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:10:11,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:10:11,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,509 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:11,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:11,514 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:11,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:11,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:11,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:11,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:11,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:11,562 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:11,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:11,569 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:10:12,482 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:10:12,482 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:10:12,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 20, 20] total 71 [2021-11-07 01:10:12,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638199458] [2021-11-07 01:10:12,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2021-11-07 01:10:12,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:12,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-11-07 01:10:12,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=5405, Unknown=0, NotChecked=0, Total=5700 [2021-11-07 01:10:12,484 INFO L87 Difference]: Start difference. First operand 61 states and 67 transitions. Second operand has 71 states, 71 states have (on average 2.0140845070422535) internal successors, (143), 71 states have internal predecessors, (143), 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) [2021-11-07 01:10:17,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:17,991 INFO L93 Difference]: Finished difference Result 157 states and 176 transitions. [2021-11-07 01:10:17,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-11-07 01:10:17,992 INFO L78 Accepts]: Start accepts. Automaton has has 71 states, 71 states have (on average 2.0140845070422535) internal successors, (143), 71 states have internal predecessors, (143), 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 60 [2021-11-07 01:10:17,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:17,993 INFO L225 Difference]: With dead ends: 157 [2021-11-07 01:10:17,993 INFO L226 Difference]: Without dead ends: 154 [2021-11-07 01:10:17,994 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 124 SyntacticMatches, 39 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4208 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=788, Invalid=10984, Unknown=0, NotChecked=0, Total=11772 [2021-11-07 01:10:17,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-11-07 01:10:18,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 87. [2021-11-07 01:10:18,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 86 states have (on average 1.127906976744186) internal successors, (97), 86 states have internal predecessors, (97), 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) [2021-11-07 01:10:18,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 97 transitions. [2021-11-07 01:10:18,020 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 97 transitions. Word has length 60 [2021-11-07 01:10:18,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:18,021 INFO L470 AbstractCegarLoop]: Abstraction has 87 states and 97 transitions. [2021-11-07 01:10:18,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 2.0140845070422535) internal successors, (143), 71 states have internal predecessors, (143), 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) [2021-11-07 01:10:18,021 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2021-11-07 01:10:18,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-07 01:10:18,021 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:18,021 INFO L513 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:18,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:18,222 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1321 [2021-11-07 01:10:18,222 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:10:18,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:18,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1641489992, now seen corresponding path program 19 times [2021-11-07 01:10:18,223 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:18,223 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142602856] [2021-11-07 01:10:18,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:18,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 29 proven. 35 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-07 01:10:18,421 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:18,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142602856] [2021-11-07 01:10:18,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142602856] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:10:18,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477484052] [2021-11-07 01:10:18,421 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:10:18,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:10:18,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:10:18,424 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:10:18,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2021-11-07 01:10:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:19,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 01:10:19,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:19,556 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-07 01:10:19,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:19,713 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 36 proven. 28 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2021-11-07 01:10:19,713 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477484052] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:10:19,713 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [648714965] [2021-11-07 01:10:19,715 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:10:19,715 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:10:19,715 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:10:19,716 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:10:19,716 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:10:19,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:10:19,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:19,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:10:19,728 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_65|], 21=[|v_#valid_68|]} [2021-11-07 01:10:19,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:10:19,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:19,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:19,742 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:19,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:19,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,765 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:10:19,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:10:19,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:19,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:19,768 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:19,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:19,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:10:19,772 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:19,773 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:10:19,777 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:10:19,777 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:10:19,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:10:19,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:10:19,782 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_66|], 15=[|v_#valid_69|]} [2021-11-07 01:10:19,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,795 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:10:19,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:10:19,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:10:19,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:10:19,798 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:19,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:19,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,834 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:10:19,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:10:19,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:19,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:19,837 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:19,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:19,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:10:19,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:19,842 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:10:19,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,846 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:19,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:19,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:19,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:19,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:10:19,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:10:19,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:10:19,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:19,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:19,860 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:19,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:19,864 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:10:19,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:19,867 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:10:19,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:19,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:19,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:19,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:10:19,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:19,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:10:19,911 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:10:19,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:10:19,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:19,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:19,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:19,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:19,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:19,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:19,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:10:19,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:19,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:19,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:10:19,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:10:19,931 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:10:19,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:10:19,934 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:19,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:10:19,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:10:19,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:10:19,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:19,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:19,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:19,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:19,976 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 59 treesize of output 55 [2021-11-07 01:10:19,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:10:19,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:19,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:10:19,978 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:19,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:19,998 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,005 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:10:20,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:10:20,008 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:10:20,009 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:10:20,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,036 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:10:20,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:20,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,038 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:20,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:20,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:10:20,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:20,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:20,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:10:20,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:10:20,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:20,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:20,046 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:20,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:10:20,049 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:20,049 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:10:20,052 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:10:20,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:10:20,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,074 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-07 01:10:20,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:10:20,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,100 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:20,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:20,104 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:20,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:20,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,107 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:10:20,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:10:20,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,151 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:20,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:20,155 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:20,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:20,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,158 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:10:20,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:10:20,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,184 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:20,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:20,217 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:20,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:20,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:20,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:20,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,250 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:20,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:20,253 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:20,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:20,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:20,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:20,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,285 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:20,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:20,289 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:20,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:20,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:20,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:20,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:20,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:20,320 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:20,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:20,325 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:10:20,799 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:10:20,799 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:10:20,799 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 29 [2021-11-07 01:10:20,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444713864] [2021-11-07 01:10:20,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-07 01:10:20,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:20,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-07 01:10:20,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=899, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 01:10:20,801 INFO L87 Difference]: Start difference. First operand 87 states and 97 transitions. Second operand has 29 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 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) [2021-11-07 01:10:21,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:21,160 INFO L93 Difference]: Finished difference Result 206 states and 231 transitions. [2021-11-07 01:10:21,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 01:10:21,160 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 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 61 [2021-11-07 01:10:21,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:21,161 INFO L225 Difference]: With dead ends: 206 [2021-11-07 01:10:21,161 INFO L226 Difference]: Without dead ends: 88 [2021-11-07 01:10:21,161 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 428 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=349, Invalid=1373, Unknown=0, NotChecked=0, Total=1722 [2021-11-07 01:10:21,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-07 01:10:21,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-11-07 01:10:21,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.1264367816091954) internal successors, (98), 87 states have internal predecessors, (98), 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) [2021-11-07 01:10:21,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2021-11-07 01:10:21,188 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 61 [2021-11-07 01:10:21,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:21,188 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2021-11-07 01:10:21,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 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) [2021-11-07 01:10:21,188 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2021-11-07 01:10:21,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-07 01:10:21,189 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:21,189 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:21,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:21,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1398 [2021-11-07 01:10:21,408 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:10:21,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:21,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1677495077, now seen corresponding path program 20 times [2021-11-07 01:10:21,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:21,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604839613] [2021-11-07 01:10:21,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:21,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:21,614 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 21 proven. 43 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-07 01:10:21,614 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:21,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604839613] [2021-11-07 01:10:21,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604839613] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:10:21,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250670758] [2021-11-07 01:10:21,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:10:21,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:10:21,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:10:21,620 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:10:21,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2021-11-07 01:10:22,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-07 01:10:22,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:10:22,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 01:10:22,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-07 01:10:22,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:23,152 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 28 proven. 36 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-07 01:10:23,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250670758] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:10:23,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1404929989] [2021-11-07 01:10:23,153 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:10:23,153 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:10:23,153 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:10:23,153 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:10:23,154 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:10:23,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:10:23,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:23,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:10:23,162 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_68|], 21=[|v_#valid_71|]} [2021-11-07 01:10:23,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:10:23,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:23,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:23,170 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:23,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,190 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:10:23,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:10:23,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:23,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:23,193 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:23,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:10:23,197 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:23,197 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:10:23,200 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:10:23,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:10:23,202 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:10:23,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:10:23,205 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_69|], 15=[|v_#valid_72|]} [2021-11-07 01:10:23,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,216 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:10:23,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:10:23,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:10:23,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:10:23,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:23,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,253 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:10:23,253 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:10:23,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:23,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:23,256 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:23,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,259 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:10:23,261 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:23,262 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:10:23,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:23,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:23,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,267 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:23,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:23,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:10:23,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:10:23,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:10:23,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:23,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:23,283 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:23,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:10:23,290 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:23,290 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:10:23,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:10:23,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:23,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:10:23,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:10:23,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:10:23,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:23,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:23,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:23,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:23,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:23,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:23,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:10:23,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:23,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:23,356 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:10:23,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:10:23,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:10:23,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:10:23,361 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:10:23,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:10:23,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:10:23,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:23,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:23,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:23,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:23,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-07 01:10:23,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:10:23,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:10:23,410 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:23,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,438 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:10:23,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:10:23,441 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:10:23,441 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:10:23,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,467 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,470 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:10:23,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:23,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:10:23,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:23,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:23,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:10:23,479 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 [2021-11-07 01:10:23,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:23,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:23,480 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:23,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:10:23,483 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:23,484 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:10:23,487 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:10:23,488 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-07 01:10:23,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,508 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.3 percent of original size [2021-11-07 01:10:23,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 01:10:23,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,539 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:23,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:23,545 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:23,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:23,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:23,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:23,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,597 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:23,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:23,602 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:23,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:23,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:23,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:23,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,674 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:23,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:23,679 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:23,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:23,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,684 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:10:23,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:10:23,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,729 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:23,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:23,734 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:23,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:23,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,738 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:10:23,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:10:23,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,777 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:23,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:23,782 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:23,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:23,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,786 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:10:23,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:23,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:10:23,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:23,826 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:23,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:23,833 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:10:24,354 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:10:24,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:10:24,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 29 [2021-11-07 01:10:24,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204528419] [2021-11-07 01:10:24,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-07 01:10:24,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:24,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-07 01:10:24,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=901, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 01:10:24,356 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand has 29 states, 29 states have (on average 1.8275862068965518) internal successors, (53), 29 states have internal predecessors, (53), 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) [2021-11-07 01:10:24,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:24,654 INFO L93 Difference]: Finished difference Result 137 states and 157 transitions. [2021-11-07 01:10:24,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 01:10:24,657 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.8275862068965518) internal successors, (53), 29 states have internal predecessors, (53), 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 62 [2021-11-07 01:10:24,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:24,657 INFO L225 Difference]: With dead ends: 137 [2021-11-07 01:10:24,657 INFO L226 Difference]: Without dead ends: 68 [2021-11-07 01:10:24,658 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 169 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 551 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=429, Invalid=1377, Unknown=0, NotChecked=0, Total=1806 [2021-11-07 01:10:24,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-11-07 01:10:24,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2021-11-07 01:10:24,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.1044776119402986) internal successors, (74), 67 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:10:24,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 74 transitions. [2021-11-07 01:10:24,685 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 74 transitions. Word has length 62 [2021-11-07 01:10:24,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:24,685 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 74 transitions. [2021-11-07 01:10:24,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.8275862068965518) internal successors, (53), 29 states have internal predecessors, (53), 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) [2021-11-07 01:10:24,686 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 74 transitions. [2021-11-07 01:10:24,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-07 01:10:24,686 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:24,686 INFO L513 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:24,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:24,911 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1475,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:10:24,911 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:10:24,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:24,912 INFO L85 PathProgramCache]: Analyzing trace with hash 961532942, now seen corresponding path program 21 times [2021-11-07 01:10:24,912 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:24,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744719034] [2021-11-07 01:10:24,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:24,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 16 proven. 236 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:10:30,274 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:30,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744719034] [2021-11-07 01:10:30,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744719034] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:10:30,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894108357] [2021-11-07 01:10:30,274 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:10:30,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:10:30,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:10:30,276 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:10:30,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2021-11-07 01:10:31,250 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:10:31,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:10:31,253 WARN L261 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 199 conjunts are in the unsatisfiable core [2021-11-07 01:10:31,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:34,073 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-07 01:10:34,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:38,057 INFO L354 Elim1Store]: treesize reduction 1059, result has 39.7 percent of original size [2021-11-07 01:10:38,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 138 treesize of output 718 [2021-11-07 01:10:45,891 INFO L354 Elim1Store]: treesize reduction 1723, result has 1.9 percent of original size [2021-11-07 01:10:45,892 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 137 treesize of output 53 [2021-11-07 01:10:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-07 01:10:46,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894108357] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:10:46,016 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1225385047] [2021-11-07 01:10:46,017 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:10:46,017 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:10:46,017 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:10:46,017 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:10:46,018 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:10:46,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:10:46,022 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:46,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:10:46,025 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_71|], 21=[|v_#valid_74|]} [2021-11-07 01:10:46,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,034 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:10:46,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:46,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:46,036 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:46,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,061 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:10:46,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:10:46,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:46,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:46,064 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:46,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,067 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:10:46,069 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:46,069 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:10:46,072 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:10:46,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:10:46,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:10:46,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:10:46,079 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_72|], 15=[|v_#valid_75|]} [2021-11-07 01:10:46,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,092 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:10:46,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:10:46,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:10:46,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:10:46,094 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:46,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,130 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:10:46,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:10:46,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:46,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:46,133 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:46,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:10:46,140 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:46,140 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:10:46,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:46,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:46,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,147 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:46,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:46,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:10:46,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:10:46,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:10:46,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:46,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:46,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:46,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:10:46,172 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:46,172 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:10:46,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:10:46,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:46,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:10:46,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:10:46,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:10:46,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:46,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:46,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,253 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:46,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:46,254 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:10:46,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:10:46,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:10:46,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:46,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:46,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:46,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:46,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:10:46,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:10:46,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:10:46,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:10:46,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:10:46,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:46,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:46,306 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:46,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:46,321 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 59 treesize of output 55 [2021-11-07 01:10:46,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:10:46,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:10:46,324 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:46,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,347 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,355 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:10:46,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:10:46,359 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:10:46,360 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:10:46,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,394 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:10:46,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:46,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:10:46,398 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:46,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:46,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:10:46,404 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 16 treesize of output 12 [2021-11-07 01:10:46,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:46,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:46,406 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:46,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:10:46,410 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:46,410 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:10:46,414 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:10:46,415 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-07 01:10:46,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,435 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.9 percent of original size [2021-11-07 01:10:46,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:10:46,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,453 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:46,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:46,457 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:46,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:46,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:46,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:46,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,491 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:46,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:46,495 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:46,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:46,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:46,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:46,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,528 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:46,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:46,532 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:46,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:46,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,535 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:10:46,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:10:46,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,563 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:46,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:46,566 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:46,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:46,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,569 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:10:46,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:10:46,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,603 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:46,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:46,608 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:46,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:46,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:46,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:46,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:46,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:46,640 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:46,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:46,645 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:10:47,521 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:10:47,521 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:10:47,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 22, 22] total 81 [2021-11-07 01:10:47,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294398437] [2021-11-07 01:10:47,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2021-11-07 01:10:47,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:47,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2021-11-07 01:10:47,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=347, Invalid=6963, Unknown=0, NotChecked=0, Total=7310 [2021-11-07 01:10:47,523 INFO L87 Difference]: Start difference. First operand 68 states and 74 transitions. Second operand has 81 states, 81 states have (on average 2.0123456790123457) internal successors, (163), 81 states have internal predecessors, (163), 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) [2021-11-07 01:10:55,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:55,398 INFO L93 Difference]: Finished difference Result 173 states and 192 transitions. [2021-11-07 01:10:55,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-11-07 01:10:55,398 INFO L78 Accepts]: Start accepts. Automaton has has 81 states, 81 states have (on average 2.0123456790123457) internal successors, (163), 81 states have internal predecessors, (163), 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 67 [2021-11-07 01:10:55,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:55,399 INFO L225 Difference]: With dead ends: 173 [2021-11-07 01:10:55,399 INFO L226 Difference]: Without dead ends: 170 [2021-11-07 01:10:55,403 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 148 SyntacticMatches, 33 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4822 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=956, Invalid=13806, Unknown=0, NotChecked=0, Total=14762 [2021-11-07 01:10:55,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2021-11-07 01:10:55,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 97. [2021-11-07 01:10:55,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.1145833333333333) internal successors, (107), 96 states have internal predecessors, (107), 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) [2021-11-07 01:10:55,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2021-11-07 01:10:55,439 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 67 [2021-11-07 01:10:55,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:55,440 INFO L470 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2021-11-07 01:10:55,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 2.0123456790123457) internal successors, (163), 81 states have internal predecessors, (163), 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) [2021-11-07 01:10:55,440 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2021-11-07 01:10:55,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-07 01:10:55,440 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:55,441 INFO L513 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:55,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:55,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1552 [2021-11-07 01:10:55,647 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:10:55,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:55,648 INFO L85 PathProgramCache]: Analyzing trace with hash -257665937, now seen corresponding path program 22 times [2021-11-07 01:10:55,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:55,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672556424] [2021-11-07 01:10:55,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:55,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 37 proven. 44 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-07 01:10:55,887 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:55,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672556424] [2021-11-07 01:10:55,887 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672556424] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:10:55,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325240023] [2021-11-07 01:10:55,887 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:10:55,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:10:55,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:10:55,888 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:10:55,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2021-11-07 01:10:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:57,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 01:10:57,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:10:57,571 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-07 01:10:57,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:10:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-07 01:10:57,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325240023] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:10:57,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [469652158] [2021-11-07 01:10:57,782 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:10:57,784 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:10:57,785 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:10:57,786 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:10:57,786 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:10:57,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:57,791 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:10:57,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:10:57,795 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_74|], 21=[|v_#valid_77|]} [2021-11-07 01:10:57,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:10:57,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:57,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:57,806 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:57,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:57,808 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,828 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:10:57,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:10:57,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:57,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:57,832 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:57,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:57,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:10:57,837 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:57,837 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:10:57,841 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:10:57,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:10:57,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:10:57,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:10:57,845 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_75|], 15=[|v_#valid_78|]} [2021-11-07 01:10:57,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,858 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:10:57,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:10:57,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:10:57,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:10:57,860 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:57,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:57,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,893 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:10:57,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:10:57,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:57,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:57,897 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:57,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:57,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:10:57,902 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:57,902 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:10:57,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:10:57,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:57,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:10:57,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:10:57,911 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:10:57,913 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:10:57,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:57,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:10:57,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:10:57,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:10:57,922 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:57,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:57,926 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,927 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:10:57,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:10:57,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:57,929 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:10:57,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:57,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:57,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:57,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,969 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:57,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:10:57,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:10:57,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:10:57,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:10:57,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:57,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:57,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:57,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:57,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:10:57,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:10:57,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:10:57,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:10:57,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:10:57,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:57,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:10:57,993 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:57,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:10:57,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:10:57,997 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:57,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:10:58,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:10:58,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:58,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:58,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:10:58,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:58,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:10:58,023 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:58,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:58,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:58,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:10:58,039 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 49 treesize of output 50 [2021-11-07 01:10:58,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:10:58,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:10:58,042 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:58,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,067 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:10:58,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:10:58,070 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:10:58,070 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:10:58,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,103 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:10:58,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:58,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:58,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:10:58,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:10:58,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:10:58,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:10:58,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:10:58,114 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 [2021-11-07 01:10:58,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:58,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:10:58,115 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:10:58,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:10:58,118 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:10:58,118 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:10:58,121 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:10:58,122 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-07 01:10:58,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,139 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-07 01:10:58,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-07 01:10:58,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,164 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:58,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:58,169 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:58,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:58,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:58,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:58,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,212 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:58,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:58,216 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:58,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:58,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,220 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:10:58,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:10:58,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,248 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:58,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:58,251 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:58,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:58,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,254 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:10:58,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:10:58,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,279 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:58,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:58,283 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:58,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:58,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:58,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:58,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,311 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:58,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:58,315 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:10:58,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:10:58,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:10:58,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:10:58,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:10:58,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:10:58,345 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:10:58,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:10:58,349 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:10:58,833 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:10:58,833 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:10:58,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 32 [2021-11-07 01:10:58,833 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159369997] [2021-11-07 01:10:58,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-07 01:10:58,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:10:58,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-07 01:10:58,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=266, Invalid=1066, Unknown=0, NotChecked=0, Total=1332 [2021-11-07 01:10:58,834 INFO L87 Difference]: Start difference. First operand 97 states and 107 transitions. Second operand has 32 states, 32 states have (on average 1.46875) internal successors, (47), 32 states have internal predecessors, (47), 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) [2021-11-07 01:10:59,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:10:59,215 INFO L93 Difference]: Finished difference Result 230 states and 255 transitions. [2021-11-07 01:10:59,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 01:10:59,215 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.46875) internal successors, (47), 32 states have internal predecessors, (47), 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 68 [2021-11-07 01:10:59,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:10:59,216 INFO L225 Difference]: With dead ends: 230 [2021-11-07 01:10:59,216 INFO L226 Difference]: Without dead ends: 98 [2021-11-07 01:10:59,217 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=421, Invalid=1649, Unknown=0, NotChecked=0, Total=2070 [2021-11-07 01:10:59,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-11-07 01:10:59,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2021-11-07 01:10:59,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 97 states have (on average 1.1134020618556701) internal successors, (108), 97 states have internal predecessors, (108), 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) [2021-11-07 01:10:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 108 transitions. [2021-11-07 01:10:59,248 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 108 transitions. Word has length 68 [2021-11-07 01:10:59,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:10:59,248 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 108 transitions. [2021-11-07 01:10:59,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.46875) internal successors, (47), 32 states have internal predecessors, (47), 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) [2021-11-07 01:10:59,248 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 108 transitions. [2021-11-07 01:10:59,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-07 01:10:59,249 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:59,249 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:10:59,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:59,449 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1629,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:10:59,450 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:10:59,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:59,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1918344802, now seen corresponding path program 23 times [2021-11-07 01:10:59,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:59,450 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369119192] [2021-11-07 01:10:59,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:59,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:10:59,683 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 28 proven. 53 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-07 01:10:59,683 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:10:59,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369119192] [2021-11-07 01:10:59,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369119192] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:10:59,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555752648] [2021-11-07 01:10:59,684 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:10:59,684 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:10:59,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:10:59,685 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:10:59,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2021-11-07 01:11:00,986 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-07 01:11:00,986 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:11:00,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-07 01:11:00,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:01,276 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-07 01:11:01,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:01,454 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2021-11-07 01:11:01,454 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555752648] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:11:01,454 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [569318245] [2021-11-07 01:11:01,455 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:11:01,456 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:11:01,456 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:11:01,456 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:11:01,456 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:11:01,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:11:01,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:11:01,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:11:01,462 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_77|], 21=[|v_#valid_80|]} [2021-11-07 01:11:01,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:11:01,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:11:01,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:11:01,471 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:11:01,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,492 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:11:01,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:11:01,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:11:01,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:11:01,496 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:11:01,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,498 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:11:01,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:11:01,499 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:11:01,502 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:11:01,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:11:01,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:11:01,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:11:01,507 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_78|], 15=[|v_#valid_81|]} [2021-11-07 01:11:01,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,520 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:11:01,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:11:01,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:11:01,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:11:01,523 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:11:01,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,559 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:11:01,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:11:01,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:11:01,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:11:01,562 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:11:01,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:11:01,567 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:11:01,568 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:11:01,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:11:01,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:11:01,572 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:11:01,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:11:01,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:11:01,575 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:11:01,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:11:01,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:11:01,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:11:01,585 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:11:01,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,590 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:11:01,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:11:01,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:11:01,592 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:11:01,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:11:01,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:11:01,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:11:01,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:11:01,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:11:01,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:11:01,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:11:01,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,648 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,648 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:11:01,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:11:01,649 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:11:01,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:11:01,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:11:01,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:11:01,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:11:01,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:11:01,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:11:01,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:11:01,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:11:01,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:11:01,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:11:01,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:11:01,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:11:01,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:11:01,682 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:11:01,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:11:01,716 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 49 treesize of output 50 [2021-11-07 01:11:01,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:11:01,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:11:01,720 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:11:01,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,747 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:11:01,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:11:01,751 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:11:01,751 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:11:01,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,780 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:11:01,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,782 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:11:01,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:11:01,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:11:01,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:11:01,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:11:01,789 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 [2021-11-07 01:11:01,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:11:01,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:11:01,790 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:11:01,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,792 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:11:01,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:11:01,793 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:11:01,796 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:11:01,797 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-07 01:11:01,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,814 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-07 01:11:01,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-07 01:11:01,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,838 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:11:01,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:11:01,841 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:11:01,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:11:01,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:11:01,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:11:01,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,874 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:11:01,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:11:01,878 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:11:01,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:11:01,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,881 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:11:01,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:11:01,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,921 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:11:01,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:11:01,924 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:11:01,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:11:01,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,928 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:11:01,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:11:01,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,961 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:11:01,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:11:01,965 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:11:01,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:11:01,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,968 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:11:01,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:01,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:11:01,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:01,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:02,000 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:11:02,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:11:02,003 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:11:02,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:11:02,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:02,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:11:02,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:02,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:02,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:02,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:11:02,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:11:02,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:02,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:02,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:02,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:02,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:02,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:02,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:11:02,035 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:11:02,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:11:02,039 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:11:02,485 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:11:02,485 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:11:02,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 32 [2021-11-07 01:11:02,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824263145] [2021-11-07 01:11:02,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2021-11-07 01:11:02,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:11:02,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-11-07 01:11:02,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1069, Unknown=0, NotChecked=0, Total=1332 [2021-11-07 01:11:02,487 INFO L87 Difference]: Start difference. First operand 98 states and 108 transitions. Second operand has 32 states, 32 states have (on average 1.84375) internal successors, (59), 32 states have internal predecessors, (59), 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) [2021-11-07 01:11:02,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:11:02,868 INFO L93 Difference]: Finished difference Result 152 states and 172 transitions. [2021-11-07 01:11:02,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 01:11:02,868 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.84375) internal successors, (59), 32 states have internal predecessors, (59), 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 69 [2021-11-07 01:11:02,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:11:02,869 INFO L225 Difference]: With dead ends: 152 [2021-11-07 01:11:02,869 INFO L226 Difference]: Without dead ends: 75 [2021-11-07 01:11:02,870 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 189 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=519, Invalid=1643, Unknown=0, NotChecked=0, Total=2162 [2021-11-07 01:11:02,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-11-07 01:11:02,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-11-07 01:11:02,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.0945945945945945) internal successors, (81), 74 states have internal predecessors, (81), 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) [2021-11-07 01:11:02,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2021-11-07 01:11:02,896 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 81 transitions. Word has length 69 [2021-11-07 01:11:02,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:11:02,896 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 81 transitions. [2021-11-07 01:11:02,896 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.84375) internal successors, (59), 32 states have internal predecessors, (59), 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) [2021-11-07 01:11:02,897 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2021-11-07 01:11:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-07 01:11:02,897 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:11:02,897 INFO L513 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:11:02,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2021-11-07 01:11:03,111 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1707,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:11:03,117 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:11:03,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:11:03,118 INFO L85 PathProgramCache]: Analyzing trace with hash -800666363, now seen corresponding path program 24 times [2021-11-07 01:11:03,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:11:03,118 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634630506] [2021-11-07 01:11:03,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:11:03,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:11:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:11:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 24 proven. 291 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:11:10,152 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:11:10,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634630506] [2021-11-07 01:11:10,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634630506] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:11:10,152 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469757665] [2021-11-07 01:11:10,152 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:11:10,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:11:10,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:11:10,153 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:11:10,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-11-07 01:11:11,456 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:11:11,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:11:11,461 WARN L261 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 223 conjunts are in the unsatisfiable core [2021-11-07 01:11:11,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:11:16,190 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-07 01:11:16,190 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:11:22,439 INFO L354 Elim1Store]: treesize reduction 1362, result has 39.3 percent of original size [2021-11-07 01:11:22,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 154 treesize of output 905 [2021-11-07 01:12:02,561 INFO L354 Elim1Store]: treesize reduction 2208, result has 1.6 percent of original size [2021-11-07 01:12:02,561 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 155 treesize of output 60 [2021-11-07 01:12:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-07 01:12:02,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469757665] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:12:02,721 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1354814268] [2021-11-07 01:12:02,722 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:12:02,723 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:12:02,723 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:12:02,723 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:12:02,724 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:12:02,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:12:02,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:12:02,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:12:02,735 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_80|], 21=[|v_#valid_83|]} [2021-11-07 01:12:02,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:12:02,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:12:02,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:12:02,746 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:02,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:02,749 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,776 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:12:02,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:12:02,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:02,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:02,781 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:02,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:02,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:12:02,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:12:02,785 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:12:02,788 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:12:02,789 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:12:02,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:12:02,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:12:02,794 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_81|], 15=[|v_#valid_84|]} [2021-11-07 01:12:02,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,809 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:12:02,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:12:02,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:12:02,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:12:02,811 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:02,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:02,815 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,849 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:12:02,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:12:02,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:12:02,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:12:02,852 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:02,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:02,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:12:02,866 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:12:02,866 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:12:02,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:12:02,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:12:02,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:02,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:12:02,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:12:02,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:12:02,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:12:02,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:12:02,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:12:02,886 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:02,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:02,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:12:02,893 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:12:02,893 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:12:02,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:02,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:02,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:02,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:12:02,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:12:02,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:12:02,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:12:02,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:12:02,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:02,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:12:02,962 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:02,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:12:02,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:12:02,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:12:02,969 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:12:02,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:12:02,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:12:02,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:02,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:12:02,974 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:12:02,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:12:02,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:02,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:02,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:12:02,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:12:02,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:02,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:03,008 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 59 treesize of output 55 [2021-11-07 01:12:03,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:12:03,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:12:03,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:03,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:03,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:03,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:12:03,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:12:03,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:12:03,027 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:03,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,057 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:12:03,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:12:03,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:12:03,062 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:12:03,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,094 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:12:03,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:03,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:03,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:12:03,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:12:03,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:03,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:03,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:12:03,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:12:03,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:12:03,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:12:03,110 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:03,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:12:03,113 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:12:03,113 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:12:03,120 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:12:03,121 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-07 01:12:03,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,144 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.3 percent of original size [2021-11-07 01:12:03,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-07 01:12:03,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,166 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:03,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:03,170 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:03,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:03,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:12:03,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:12:03,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,214 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:03,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:03,220 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:03,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:03,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:12:03,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:12:03,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,257 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:03,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:03,261 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:03,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:03,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:12:03,266 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:12:03,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,302 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:03,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:03,308 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:03,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:03,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,313 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:12:03,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:12:03,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,361 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:03,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:03,367 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:03,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:03,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:12:03,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:03,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:12:03,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:03,410 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:03,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:03,415 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:12:04,532 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:12:04,533 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:12:04,533 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 24, 24] total 90 [2021-11-07 01:12:04,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879456214] [2021-11-07 01:12:04,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2021-11-07 01:12:04,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:12:04,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2021-11-07 01:12:04,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=8526, Unknown=0, NotChecked=0, Total=8930 [2021-11-07 01:12:04,535 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. Second operand has 90 states, 90 states have (on average 2.022222222222222) internal successors, (182), 90 states have internal predecessors, (182), 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) [2021-11-07 01:12:16,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:12:16,955 INFO L93 Difference]: Finished difference Result 191 states and 210 transitions. [2021-11-07 01:12:16,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2021-11-07 01:12:16,955 INFO L78 Accepts]: Start accepts. Automaton has has 90 states, 90 states have (on average 2.022222222222222) internal successors, (182), 90 states have internal predecessors, (182), 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 74 [2021-11-07 01:12:16,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:12:16,958 INFO L225 Difference]: With dead ends: 191 [2021-11-07 01:12:16,958 INFO L226 Difference]: Without dead ends: 188 [2021-11-07 01:12:16,959 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 146 SyntacticMatches, 54 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6961 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=1158, Invalid=17202, Unknown=0, NotChecked=0, Total=18360 [2021-11-07 01:12:16,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2021-11-07 01:12:17,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 107. [2021-11-07 01:12:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 106 states have (on average 1.1037735849056605) internal successors, (117), 106 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:12:17,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 117 transitions. [2021-11-07 01:12:17,021 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 117 transitions. Word has length 74 [2021-11-07 01:12:17,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:12:17,022 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 117 transitions. [2021-11-07 01:12:17,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 2.022222222222222) internal successors, (182), 90 states have internal predecessors, (182), 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) [2021-11-07 01:12:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2021-11-07 01:12:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-07 01:12:17,022 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:12:17,023 INFO L513 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:12:17,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2021-11-07 01:12:17,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1785 [2021-11-07 01:12:17,223 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:12:17,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:12:17,224 INFO L85 PathProgramCache]: Analyzing trace with hash 948730456, now seen corresponding path program 25 times [2021-11-07 01:12:17,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:12:17,224 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340839798] [2021-11-07 01:12:17,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:12:17,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:12:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:12:17,544 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 46 proven. 54 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-07 01:12:17,544 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:12:17,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340839798] [2021-11-07 01:12:17,545 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340839798] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:12:17,545 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673157881] [2021-11-07 01:12:17,545 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:12:17,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:12:17,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:12:17,546 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:12:17,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-11-07 01:12:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:12:19,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 01:12:19,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:12:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-07 01:12:19,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:12:19,891 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-07 01:12:19,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673157881] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:12:19,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2017334154] [2021-11-07 01:12:19,893 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:12:19,893 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:12:19,893 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:12:19,893 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:12:19,893 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:12:19,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:19,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:12:19,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:19,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:12:19,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:12:19,910 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_83|], 21=[|v_#valid_86|]} [2021-11-07 01:12:19,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:12:19,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:12:19,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:12:19,919 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:19,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:19,921 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,942 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:12:19,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:12:19,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:19,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:19,945 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:19,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:19,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:12:19,948 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:12:19,949 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:12:19,951 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:12:19,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:19,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:12:19,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:19,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:12:19,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:12:19,956 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_84|], 15=[|v_#valid_87|]} [2021-11-07 01:12:19,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,970 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:12:19,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:12:19,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:12:19,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:12:19,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:19,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:19,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:19,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:19,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:20,008 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:12:20,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:12:20,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:12:20,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:12:20,011 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:20,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:12:20,016 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:12:20,017 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:12:20,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:12:20,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:12:20,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:12:20,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:12:20,022 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:12:20,025 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:12:20,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:20,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:20,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:12:20,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:12:20,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:12:20,035 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:20,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,040 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:12:20,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:12:20,041 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:12:20,042 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:12:20,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,084 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:12:20,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:12:20,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:12:20,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:12:20,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:12:20,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:20,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:12:20,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:12:20,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:12:20,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:20,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:12:20,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:12:20,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:20,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:12:20,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:12:20,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:12:20,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:12:20,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:12:20,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:12:20,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:12:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:20,171 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 49 treesize of output 50 [2021-11-07 01:12:20,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:12:20,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:12:20,173 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:20,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:20,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:20,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:12:20,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:12:20,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:12:20,188 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:20,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,214 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:12:20,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:12:20,217 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:12:20,218 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:12:20,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,249 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:12:20,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:12:20,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:12:20,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:20,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:20,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:12:20,258 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 [2021-11-07 01:12:20,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:12:20,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:12:20,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:20,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:12:20,263 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:12:20,263 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:12:20,266 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:12:20,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:12:20,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,295 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-07 01:12:20,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:12:20,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,317 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:20,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:20,321 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:20,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:20,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:12:20,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:12:20,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,356 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:20,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:20,361 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:20,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:20,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,364 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:12:20,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:12:20,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,396 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:20,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:20,408 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:20,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:20,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,412 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:12:20,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,418 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:12:20,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,444 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:20,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:20,448 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:20,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:20,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:12:20,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:12:20,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,485 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:20,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:20,490 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:20,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:20,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:12:20,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:20,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:12:20,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:20,528 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:20,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:20,534 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:12:21,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:12:21,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:12:21,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 35 [2021-11-07 01:12:21,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689004751] [2021-11-07 01:12:21,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-07 01:12:21,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:12:21,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-07 01:12:21,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=1247, Unknown=0, NotChecked=0, Total=1560 [2021-11-07 01:12:21,101 INFO L87 Difference]: Start difference. First operand 107 states and 117 transitions. Second operand has 35 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 35 states have internal predecessors, (50), 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) [2021-11-07 01:12:21,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:12:21,652 INFO L93 Difference]: Finished difference Result 254 states and 279 transitions. [2021-11-07 01:12:21,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-07 01:12:21,653 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 35 states have internal predecessors, (50), 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 75 [2021-11-07 01:12:21,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:12:21,654 INFO L225 Difference]: With dead ends: 254 [2021-11-07 01:12:21,654 INFO L226 Difference]: Without dead ends: 108 [2021-11-07 01:12:21,655 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 603 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=500, Invalid=1950, Unknown=0, NotChecked=0, Total=2450 [2021-11-07 01:12:21,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-11-07 01:12:21,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2021-11-07 01:12:21,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.102803738317757) internal successors, (118), 107 states have internal predecessors, (118), 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) [2021-11-07 01:12:21,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 118 transitions. [2021-11-07 01:12:21,711 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 118 transitions. Word has length 75 [2021-11-07 01:12:21,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:12:21,711 INFO L470 AbstractCegarLoop]: Abstraction has 108 states and 118 transitions. [2021-11-07 01:12:21,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.4285714285714286) internal successors, (50), 35 states have internal predecessors, (50), 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) [2021-11-07 01:12:21,711 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 118 transitions. [2021-11-07 01:12:21,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-07 01:12:21,712 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:12:21,712 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:12:21,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2021-11-07 01:12:21,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1862 [2021-11-07 01:12:21,913 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:12:21,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:12:21,913 INFO L85 PathProgramCache]: Analyzing trace with hash -939349755, now seen corresponding path program 26 times [2021-11-07 01:12:21,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:12:21,913 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537659894] [2021-11-07 01:12:21,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:12:21,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:12:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:12:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 36 proven. 64 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-07 01:12:22,225 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:12:22,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537659894] [2021-11-07 01:12:22,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537659894] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:12:22,225 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1354488986] [2021-11-07 01:12:22,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:12:22,226 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:12:22,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:12:22,228 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:12:22,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-11-07 01:12:23,946 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-11-07 01:12:23,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:12:23,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 01:12:23,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:12:24,556 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-07 01:12:24,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:12:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 55 proven. 45 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-11-07 01:12:24,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1354488986] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:12:24,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1669095861] [2021-11-07 01:12:24,971 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:12:24,971 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:12:24,972 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:12:24,972 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:12:24,972 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:12:24,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:24,975 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:24,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:24,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:12:24,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:24,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:24,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:12:24,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:12:24,978 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_85|], 21=[|v_#valid_88|]} [2021-11-07 01:12:24,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:24,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:24,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:24,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:12:24,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:24,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:12:24,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:24,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:12:24,988 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:24,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:24,990 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:24,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:24,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:24,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:24,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:24,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,013 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:12:25,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:12:25,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:25,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:25,017 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:25,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,019 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:12:25,021 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:12:25,021 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:12:25,024 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:12:25,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:12:25,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:12:25,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:12:25,029 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_86|], 15=[|v_#valid_89|]} [2021-11-07 01:12:25,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,044 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:12:25,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:12:25,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:12:25,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:12:25,047 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:25,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,087 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:12:25,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:12:25,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:12:25,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:12:25,090 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:25,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:12:25,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:12:25,097 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:12:25,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:25,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:12:25,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:12:25,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:12:25,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:12:25,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:12:25,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:12:25,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:12:25,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:12:25,120 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:25,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:12:25,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:12:25,128 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:12:25,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:25,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:12:25,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:12:25,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:12:25,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:12:25,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:12:25,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:12:25,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:25,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:12:25,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:12:25,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:12:25,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:12:25,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:25,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:12:25,234 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:12:25,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:12:25,237 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:12:25,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:12:25,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:12:25,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:12:25,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:12:25,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:12:25,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:12:25,284 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:25,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:12:25,305 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 59 treesize of output 55 [2021-11-07 01:12:25,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:12:25,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:12:25,316 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:25,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,362 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:12:25,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:12:25,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:12:25,368 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:12:25,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,412 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:12:25,414 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:12:25,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:12:25,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:12:25,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:12:25,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:12:25,424 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 [2021-11-07 01:12:25,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:12:25,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:12:25,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:12:25,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,429 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:12:25,431 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:12:25,431 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:12:25,434 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:12:25,435 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-07 01:12:25,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,456 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.9 percent of original size [2021-11-07 01:12:25,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:12:25,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,475 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:25,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:25,479 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:25,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:25,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:12:25,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:12:25,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,516 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:25,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:25,520 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:25,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:25,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:12:25,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:12:25,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,554 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:25,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:25,558 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:25,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:25,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,562 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:12:25,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:12:25,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,595 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:25,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:25,599 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:25,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:25,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:12:25,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:12:25,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,638 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:25,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:25,643 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:12:25,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:12:25,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:12:25,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:12:25,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:12:25,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:12:25,679 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:12:25,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:12:25,684 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:12:26,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:12:26,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:12:26,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2021-11-07 01:12:26,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670717113] [2021-11-07 01:12:26,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2021-11-07 01:12:26,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:12:26,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-11-07 01:12:26,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=2989, Unknown=0, NotChecked=0, Total=3422 [2021-11-07 01:12:26,334 INFO L87 Difference]: Start difference. First operand 108 states and 118 transitions. Second operand has 54 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 54 states have internal predecessors, (77), 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) [2021-11-07 01:12:27,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:12:27,075 INFO L93 Difference]: Finished difference Result 167 states and 187 transitions. [2021-11-07 01:12:27,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 01:12:27,075 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 54 states have internal predecessors, (77), 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 76 [2021-11-07 01:12:27,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:12:27,076 INFO L225 Difference]: With dead ends: 167 [2021-11-07 01:12:27,076 INFO L226 Difference]: Without dead ends: 82 [2021-11-07 01:12:27,078 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1456 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=753, Invalid=4217, Unknown=0, NotChecked=0, Total=4970 [2021-11-07 01:12:27,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-07 01:12:27,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-11-07 01:12:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.0864197530864197) internal successors, (88), 81 states have internal predecessors, (88), 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) [2021-11-07 01:12:27,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 88 transitions. [2021-11-07 01:12:27,115 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 88 transitions. Word has length 76 [2021-11-07 01:12:27,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:12:27,116 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 88 transitions. [2021-11-07 01:12:27,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 1.4259259259259258) internal successors, (77), 54 states have internal predecessors, (77), 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) [2021-11-07 01:12:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2021-11-07 01:12:27,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-07 01:12:27,116 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:12:27,116 INFO L513 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:12:27,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-11-07 01:12:27,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1940 [2021-11-07 01:12:27,317 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:12:27,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:12:27,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1043686098, now seen corresponding path program 27 times [2021-11-07 01:12:27,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:12:27,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060762646] [2021-11-07 01:12:27,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:12:27,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:12:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:12:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 21 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:12:36,823 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:12:36,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060762646] [2021-11-07 01:12:36,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060762646] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:12:36,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871486106] [2021-11-07 01:12:36,823 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:12:36,823 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:12:36,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:12:36,824 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:12:36,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-11-07 01:12:38,440 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:12:38,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:12:38,445 WARN L261 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 247 conjunts are in the unsatisfiable core [2021-11-07 01:12:38,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:12:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 01:12:44,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:12:53,211 INFO L354 Elim1Store]: treesize reduction 1703, result has 39.0 percent of original size [2021-11-07 01:12:53,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 172 treesize of output 1116 [2021-11-07 01:13:28,649 INFO L354 Elim1Store]: treesize reduction 2753, result has 1.5 percent of original size [2021-11-07 01:13:28,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 171 treesize of output 65 [2021-11-07 01:13:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-07 01:13:28,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871486106] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:13:28,805 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [29059123] [2021-11-07 01:13:28,805 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:13:28,806 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:13:28,806 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:13:28,806 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:13:28,806 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:13:28,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:28,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:13:28,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:28,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:13:28,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:13:28,812 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_88|], 21=[|v_#valid_91|]} [2021-11-07 01:13:28,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,821 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:13:28,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:13:28,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:13:28,822 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:28,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:28,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,849 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:13:28,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:13:28,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:28,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:28,852 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:28,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:28,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:13:28,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:13:28,879 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:13:28,883 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:13:28,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:28,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:13:28,885 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:28,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:13:28,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:13:28,891 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_89|], 15=[|v_#valid_92|]} [2021-11-07 01:13:28,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,908 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:13:28,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:13:28,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:13:28,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:13:28,911 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:28,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:28,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:28,961 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:13:28,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:13:28,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:13:28,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:13:28,967 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:28,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:28,972 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:13:28,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:13:28,977 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:13:28,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:28,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,984 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:28,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:13:28,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:13:28,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:28,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:28,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:13:28,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:13:28,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:28,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:28,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:13:28,993 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:13:29,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:29,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:29,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:13:29,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:13:29,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:13:29,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:29,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,017 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,019 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:13:29,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:13:29,023 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:13:29,023 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:13:29,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:29,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:13:29,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:13:29,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:13:29,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:13:29,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:13:29,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:13:29,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,127 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:29,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:13:29,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:13:29,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:13:29,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:13:29,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:29,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:13:29,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:13:29,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:13:29,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:13:29,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:13:29,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:13:29,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:13:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:29,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:29,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:29,180 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 49 treesize of output 50 [2021-11-07 01:13:29,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:13:29,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:13:29,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:29,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:29,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:29,198 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:13:29,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:13:29,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:13:29,200 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:29,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,228 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,239 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:13:29,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:13:29,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:13:29,245 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:13:29,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,289 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:13:29,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:13:29,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:13:29,293 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:29,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:29,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:13:29,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:13:29,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:13:29,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:13:29,313 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:29,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:13:29,317 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:13:29,318 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:13:29,322 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:13:29,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:13:29,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,348 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-07 01:13:29,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:13:29,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,367 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:29,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:29,370 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:29,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:29,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,373 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:13:29,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:13:29,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,466 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:29,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:29,470 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:29,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:29,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,473 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:13:29,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:13:29,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,499 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:29,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:29,502 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:29,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:29,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,505 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:13:29,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:13:29,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,535 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:29,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:29,538 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:29,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:29,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,541 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:13:29,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:13:29,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,570 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:29,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:29,573 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:29,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:29,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,576 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:13:29,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:29,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:13:29,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:29,609 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:29,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:29,613 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:13:30,712 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:13:30,712 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:13:30,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73, 26, 26] total 98 [2021-11-07 01:13:30,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509216827] [2021-11-07 01:13:30,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 98 states [2021-11-07 01:13:30,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:13:30,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2021-11-07 01:13:30,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=518, Invalid=9988, Unknown=0, NotChecked=0, Total=10506 [2021-11-07 01:13:30,714 INFO L87 Difference]: Start difference. First operand 82 states and 88 transitions. Second operand has 98 states, 98 states have (on average 2.0) internal successors, (196), 98 states have internal predecessors, (196), 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) [2021-11-07 01:13:44,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:13:44,179 INFO L93 Difference]: Finished difference Result 199 states and 219 transitions. [2021-11-07 01:13:44,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2021-11-07 01:13:44,179 INFO L78 Accepts]: Start accepts. Automaton has has 98 states, 98 states have (on average 2.0) internal successors, (196), 98 states have internal predecessors, (196), 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 81 [2021-11-07 01:13:44,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:13:44,180 INFO L225 Difference]: With dead ends: 199 [2021-11-07 01:13:44,181 INFO L226 Difference]: Without dead ends: 196 [2021-11-07 01:13:44,183 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 156 SyntacticMatches, 64 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8236 ImplicationChecksByTransitivity, 23.3s TimeCoverageRelationStatistics Valid=1589, Invalid=21363, Unknown=0, NotChecked=0, Total=22952 [2021-11-07 01:13:44,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-11-07 01:13:44,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 117. [2021-11-07 01:13:44,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.0948275862068966) internal successors, (127), 116 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:13:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2021-11-07 01:13:44,246 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 81 [2021-11-07 01:13:44,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:13:44,246 INFO L470 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2021-11-07 01:13:44,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 98 states, 98 states have (on average 2.0) internal successors, (196), 98 states have internal predecessors, (196), 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) [2021-11-07 01:13:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2021-11-07 01:13:44,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-07 01:13:44,247 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:13:44,247 INFO L513 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:13:44,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2021-11-07 01:13:44,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2017,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:13:44,467 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:13:44,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:13:44,468 INFO L85 PathProgramCache]: Analyzing trace with hash 2005053263, now seen corresponding path program 28 times [2021-11-07 01:13:44,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:13:44,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017146481] [2021-11-07 01:13:44,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:13:44,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:13:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:13:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 56 proven. 65 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-11-07 01:13:44,842 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:13:44,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017146481] [2021-11-07 01:13:44,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017146481] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:13:44,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408322646] [2021-11-07 01:13:44,842 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:13:44,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:13:44,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:13:44,848 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:13:44,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-11-07 01:13:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:13:46,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-07 01:13:46,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:13:47,140 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-11-07 01:13:47,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:13:47,360 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 66 proven. 55 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2021-11-07 01:13:47,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408322646] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:13:47,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [325929179] [2021-11-07 01:13:47,362 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:13:47,362 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:13:47,362 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:13:47,362 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:13:47,362 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:13:47,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:13:47,366 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:13:47,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:13:47,369 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_91|], 21=[|v_#valid_94|]} [2021-11-07 01:13:47,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,377 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:13:47,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:13:47,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:13:47,378 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:47,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,409 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:13:47,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:13:47,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:47,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:47,413 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:47,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:13:47,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:13:47,418 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:13:47,421 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:13:47,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:13:47,422 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:13:47,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:13:47,426 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_92|], 15=[|v_#valid_95|]} [2021-11-07 01:13:47,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,439 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:13:47,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:13:47,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:13:47,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:13:47,442 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:47,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,479 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:13:47,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:13:47,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:13:47,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:13:47,482 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:47,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:13:47,487 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:13:47,487 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:13:47,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:13:47,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:13:47,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:13:47,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:13:47,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:13:47,495 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:13:47,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:13:47,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:13:47,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:13:47,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:47,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,509 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,510 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:13:47,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:13:47,512 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:13:47,512 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:13:47,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,569 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:13:47,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:13:47,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:13:47,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:13:47,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:13:47,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:47,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:13:47,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,597 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:13:47,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:13:47,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:47,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:13:47,602 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:13:47,604 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:47,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:13:47,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,608 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:13:47,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:13:47,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:13:47,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:13:47,615 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:13:47,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:13:47,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:13:47,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:13:47,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:13:47,650 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:47,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:47,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-07 01:13:47,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:13:47,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:13:47,672 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:47,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,702 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,712 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:13:47,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:13:47,716 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:13:47,716 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:13:47,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,749 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:13:47,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:13:47,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:13:47,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:47,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:47,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:13:47,758 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 [2021-11-07 01:13:47,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:13:47,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:13:47,759 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:47,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,761 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:13:47,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:13:47,763 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:13:47,766 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:13:47,767 INFO L185 QuantifierPusher]: treesize reduction 3, result has 94.9 percent of original size 56 [2021-11-07 01:13:47,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,786 INFO L180 QuantifierPusher]: treesize reduction 10, result has 94.5 percent of original size [2021-11-07 01:13:47,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-07 01:13:47,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,807 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:47,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:47,811 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:47,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:47,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,814 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:13:47,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:13:47,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,849 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:47,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:47,853 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:47,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:47,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:13:47,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:13:47,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,888 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:47,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:47,892 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:47,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:47,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,906 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:13:47,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:13:47,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,956 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:47,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:47,966 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:47,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:47,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,970 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:13:47,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:47,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:13:47,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:47,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,009 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:48,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:48,015 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:48,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:48,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:48,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:13:48,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:48,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:13:48,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:48,070 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:48,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:48,077 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:13:48,634 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:13:48,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:13:48,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 38 [2021-11-07 01:13:48,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754086853] [2021-11-07 01:13:48,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-07 01:13:48,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:13:48,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-07 01:13:48,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=1442, Unknown=0, NotChecked=0, Total=1806 [2021-11-07 01:13:48,636 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand has 38 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 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) [2021-11-07 01:13:49,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:13:49,309 INFO L93 Difference]: Finished difference Result 278 states and 303 transitions. [2021-11-07 01:13:49,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-07 01:13:49,310 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 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 82 [2021-11-07 01:13:49,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:13:49,311 INFO L225 Difference]: With dead ends: 278 [2021-11-07 01:13:49,311 INFO L226 Difference]: Without dead ends: 118 [2021-11-07 01:13:49,312 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=586, Invalid=2276, Unknown=0, NotChecked=0, Total=2862 [2021-11-07 01:13:49,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-11-07 01:13:49,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-11-07 01:13:49,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 117 states have (on average 1.0940170940170941) internal successors, (128), 117 states have internal predecessors, (128), 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) [2021-11-07 01:13:49,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 128 transitions. [2021-11-07 01:13:49,398 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 128 transitions. Word has length 82 [2021-11-07 01:13:49,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:13:49,398 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 128 transitions. [2021-11-07 01:13:49,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.394736842105263) internal successors, (53), 38 states have internal predecessors, (53), 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) [2021-11-07 01:13:49,398 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 128 transitions. [2021-11-07 01:13:49,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-07 01:13:49,399 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:13:49,399 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:13:49,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2021-11-07 01:13:49,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2095,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:13:49,616 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:13:49,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:13:49,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1619530754, now seen corresponding path program 29 times [2021-11-07 01:13:49,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:13:49,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510772661] [2021-11-07 01:13:49,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:13:49,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:13:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:13:49,964 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 45 proven. 76 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2021-11-07 01:13:49,964 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:13:49,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510772661] [2021-11-07 01:13:49,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510772661] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:13:49,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [307072853] [2021-11-07 01:13:49,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:13:49,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:13:49,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:13:49,968 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:13:49,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-11-07 01:13:52,008 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-11-07 01:13:52,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:13:52,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-07 01:13:52,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:13:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 65 proven. 66 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-07 01:13:52,543 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:13:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 55 proven. 95 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2021-11-07 01:13:52,931 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [307072853] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:13:52,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [169064765] [2021-11-07 01:13:52,932 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:13:52,932 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:13:52,933 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:13:52,933 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:13:52,933 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:13:52,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:52,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:13:52,939 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:52,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:13:52,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:13:52,942 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_94|], 21=[|v_#valid_97|]} [2021-11-07 01:13:52,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:13:52,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:13:52,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:13:52,950 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:52,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:52,952 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,971 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:13:52,971 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:13:52,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:52,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:52,974 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:52,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:52,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:13:52,977 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:13:52,977 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:13:52,980 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:13:52,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:52,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:13:52,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:52,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:13:52,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:13:52,984 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_95|], 15=[|v_#valid_98|]} [2021-11-07 01:13:52,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:52,997 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:13:52,997 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:13:52,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:13:52,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:52,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:13:52,999 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:52,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,003 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:53,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:53,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:53,035 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:13:53,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:13:53,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:13:53,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:13:53,038 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:53,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:13:53,044 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:13:53,044 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:13:53,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,049 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:13:53,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:13:53,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,051 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:13:53,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:13:53,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:13:53,055 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:13:53,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:53,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:53,063 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:13:53,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:13:53,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:13:53,065 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:53,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,069 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,070 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:13:53,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:13:53,072 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:13:53,072 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:13:53,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:13:53,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:13:53,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:13:53,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:13:53,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:13:53,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:53,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:13:53,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:13:53,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:13:53,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:53,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:13:53,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:13:53,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:53,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:13:53,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:13:53,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:13:53,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:13:53,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:13:53,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:13:53,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:13:53,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:53,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:53,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:13:53,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:13:53,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:13:53,170 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:53,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:53,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:53,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:53,190 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 49 treesize of output 50 [2021-11-07 01:13:53,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:13:53,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:13:53,193 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:53,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,220 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:13:53,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:13:53,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:13:53,238 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:13:53,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,278 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:13:53,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:13:53,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:13:53,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:13:53,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:13:53,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:13:53,287 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 [2021-11-07 01:13:53,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:13:53,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:13:53,289 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:13:53,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:13:53,294 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:13:53,294 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:13:53,300 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:13:53,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:13:53,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,331 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-07 01:13:53,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:13:53,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,358 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:53,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:53,362 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:53,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:53,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,365 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:13:53,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:13:53,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,396 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:53,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:53,399 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:53,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:53,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,403 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:13:53,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:13:53,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,442 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:53,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:53,448 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:53,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:53,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,453 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:13:53,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:13:53,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,486 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:53,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:53,490 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:53,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:53,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,494 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:13:53,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:13:53,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,523 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:53,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:53,527 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:13:53,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:13:53,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:13:53,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:13:53,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:13:53,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:13:53,559 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:13:53,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:13:53,563 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:13:54,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:13:54,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:13:54,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 26, 27] total 41 [2021-11-07 01:13:54,060 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457316963] [2021-11-07 01:13:54,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2021-11-07 01:13:54,061 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:13:54,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-11-07 01:13:54,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=429, Invalid=1641, Unknown=0, NotChecked=0, Total=2070 [2021-11-07 01:13:54,061 INFO L87 Difference]: Start difference. First operand 118 states and 128 transitions. Second operand has 41 states, 41 states have (on average 1.7560975609756098) internal successors, (72), 41 states have internal predecessors, (72), 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) [2021-11-07 01:13:54,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:13:54,606 INFO L93 Difference]: Finished difference Result 182 states and 202 transitions. [2021-11-07 01:13:54,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-07 01:13:54,606 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.7560975609756098) internal successors, (72), 41 states have internal predecessors, (72), 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 83 [2021-11-07 01:13:54,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:13:54,607 INFO L225 Difference]: With dead ends: 182 [2021-11-07 01:13:54,607 INFO L226 Difference]: Without dead ends: 89 [2021-11-07 01:13:54,608 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 225 SyntacticMatches, 3 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=860, Invalid=2562, Unknown=0, NotChecked=0, Total=3422 [2021-11-07 01:13:54,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-11-07 01:13:54,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-11-07 01:13:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 88 states have (on average 1.0795454545454546) internal successors, (95), 88 states have internal predecessors, (95), 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) [2021-11-07 01:13:54,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 95 transitions. [2021-11-07 01:13:54,648 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 95 transitions. Word has length 83 [2021-11-07 01:13:54,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:13:54,648 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 95 transitions. [2021-11-07 01:13:54,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.7560975609756098) internal successors, (72), 41 states have internal predecessors, (72), 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) [2021-11-07 01:13:54,649 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2021-11-07 01:13:54,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-07 01:13:54,649 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:13:54,649 INFO L513 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:13:54,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-11-07 01:13:54,850 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2173 [2021-11-07 01:13:54,850 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:13:54,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:13:54,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1982713755, now seen corresponding path program 30 times [2021-11-07 01:13:54,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:13:54,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151256237] [2021-11-07 01:13:54,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:13:54,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:13:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:14:05,549 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 28 proven. 434 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:14:05,549 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:14:05,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151256237] [2021-11-07 01:14:05,549 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151256237] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:14:05,549 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817114278] [2021-11-07 01:14:05,549 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:14:05,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:14:05,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:14:05,550 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:14:05,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-11-07 01:14:07,385 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:14:07,386 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:14:07,391 WARN L261 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 271 conjunts are in the unsatisfiable core [2021-11-07 01:14:07,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:14:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-07 01:14:14,103 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:14:24,736 WARN L207 SmtUtils]: Spent 6.19 s on a formula simplification. DAG size of input: 981 DAG size of output: 541 [2021-11-07 01:14:24,738 INFO L354 Elim1Store]: treesize reduction 2082, result has 38.8 percent of original size [2021-11-07 01:14:24,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 189 treesize of output 1348 [2021-11-07 01:15:43,196 INFO L354 Elim1Store]: treesize reduction 3358, result has 1.3 percent of original size [2021-11-07 01:15:43,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 188 treesize of output 71 [2021-11-07 01:15:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 396 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-07 01:15:43,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817114278] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:15:43,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [522103006] [2021-11-07 01:15:43,350 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:15:43,350 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:15:43,351 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:15:43,351 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:15:43,351 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:15:43,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,361 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:15:43,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:15:43,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:15:43,364 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_97|], 21=[|v_#valid_100|]} [2021-11-07 01:15:43,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:15:43,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:15:43,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:15:43,382 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:15:43,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,384 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,402 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:15:43,402 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:15:43,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:15:43,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:15:43,405 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:15:43,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,406 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:15:43,408 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:15:43,408 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:15:43,410 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:15:43,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:15:43,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:15:43,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:15:43,414 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_98|], 15=[|v_#valid_101|]} [2021-11-07 01:15:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,425 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:15:43,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:15:43,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:15:43,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:15:43,428 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:15:43,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,430 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,459 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:15:43,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:15:43,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:15:43,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:15:43,462 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:15:43,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,465 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:15:43,467 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:15:43,467 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:15:43,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:15:43,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:15:43,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:15:43,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:15:43,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:15:43,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:15:43,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:15:43,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:15:43,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:15:43,500 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:15:43,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:15:43,510 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:15:43,510 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:15:43,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:15:43,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:15:43,563 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,570 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:15:43,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:15:43,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:15:43,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:15:43,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:15:43,594 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,599 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:15:43,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:15:43,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,602 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:15:43,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:15:43,604 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:15:43,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:15:43,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:15:43,608 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,609 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:15:43,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:15:43,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:15:43,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:15:43,616 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:15:43,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:15:43,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:15:43,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:15:43,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:15:43,649 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:15:43,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:15:43,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-07 01:15:43,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:15:43,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:15:43,669 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:15:43,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,695 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,705 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:15:43,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:15:43,711 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:15:43,711 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:15:43,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,752 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:15:43,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:15:43,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:15:43,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:15:43,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:15:43,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:15:43,761 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 [2021-11-07 01:15:43,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:15:43,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:15:43,763 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:15:43,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,765 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:15:43,767 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:15:43,767 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:15:43,772 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:15:43,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:15:43,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,803 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-07 01:15:43,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:15:43,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,832 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:15:43,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:15:43,837 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:15:43,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:15:43,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:15:43,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:15:43,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,879 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:15:43,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:15:43,884 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:15:43,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:15:43,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,888 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:15:43,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:15:43,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,926 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:15:43,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:15:43,930 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:15:43,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:15:43,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:15:43,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:15:43,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,973 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:15:43,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:15:43,977 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:15:43,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:15:43,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:43,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:15:43,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:43,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:44,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:15:44,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,020 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:15:44,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:15:44,023 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:15:44,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:15:44,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:44,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:15:44,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:15:44,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:15:44,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:15:44,051 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:15:44,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:15:44,056 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:15:45,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:15:45,114 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:15:45,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [80, 28, 28] total 107 [2021-11-07 01:15:45,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042710877] [2021-11-07 01:15:45,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2021-11-07 01:15:45,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:15:45,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2021-11-07 01:15:45,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=593, Invalid=11839, Unknown=0, NotChecked=0, Total=12432 [2021-11-07 01:15:45,116 INFO L87 Difference]: Start difference. First operand 89 states and 95 transitions. Second operand has 107 states, 107 states have (on average 1.9906542056074767) internal successors, (213), 107 states have internal predecessors, (213), 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) [2021-11-07 01:15:58,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:15:58,455 INFO L93 Difference]: Finished difference Result 215 states and 235 transitions. [2021-11-07 01:15:58,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-07 01:15:58,455 INFO L78 Accepts]: Start accepts. Automaton has has 107 states, 107 states have (on average 1.9906542056074767) internal successors, (213), 107 states have internal predecessors, (213), 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 88 [2021-11-07 01:15:58,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:15:58,457 INFO L225 Difference]: With dead ends: 215 [2021-11-07 01:15:58,457 INFO L226 Difference]: Without dead ends: 212 [2021-11-07 01:15:58,459 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 175 SyntacticMatches, 64 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9527 ImplicationChecksByTransitivity, 24.8s TimeCoverageRelationStatistics Valid=1847, Invalid=25213, Unknown=0, NotChecked=0, Total=27060 [2021-11-07 01:15:58,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2021-11-07 01:15:58,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 127. [2021-11-07 01:15:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 1.0873015873015872) internal successors, (137), 126 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:15:58,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 137 transitions. [2021-11-07 01:15:58,543 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 137 transitions. Word has length 88 [2021-11-07 01:15:58,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:15:58,544 INFO L470 AbstractCegarLoop]: Abstraction has 127 states and 137 transitions. [2021-11-07 01:15:58,544 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 1.9906542056074767) internal successors, (213), 107 states have internal predecessors, (213), 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) [2021-11-07 01:15:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 137 transitions. [2021-11-07 01:15:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-07 01:15:58,545 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:15:58,545 INFO L513 BasicCegarLoop]: trace histogram [12, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:15:58,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-11-07 01:15:58,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2251,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:15:58,759 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:15:58,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:15:58,759 INFO L85 PathProgramCache]: Analyzing trace with hash -1335000328, now seen corresponding path program 31 times [2021-11-07 01:15:58,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:15:58,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992485230] [2021-11-07 01:15:58,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:15:58,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:15:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:15:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 67 proven. 77 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-07 01:15:59,084 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:15:59,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992485230] [2021-11-07 01:15:59,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992485230] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:15:59,084 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069938820] [2021-11-07 01:15:59,084 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:15:59,084 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:15:59,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:15:59,091 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:15:59,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2021-11-07 01:16:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:16:00,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-07 01:16:00,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:16:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-07 01:16:01,462 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-07 01:16:01,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069938820] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:16:01,677 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1655178674] [2021-11-07 01:16:01,678 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:16:01,678 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:16:01,679 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:16:01,679 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:16:01,679 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:16:01,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:16:01,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:16:01,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:16:01,685 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_100|], 21=[|v_#valid_103|]} [2021-11-07 01:16:01,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:16:01,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:16:01,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:16:01,692 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:01,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:01,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,714 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:16:01,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:16:01,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:01,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:01,717 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:01,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:01,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:16:01,720 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:16:01,720 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:16:01,723 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:16:01,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:16:01,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:16:01,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:16:01,726 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_101|], 15=[|v_#valid_104|]} [2021-11-07 01:16:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,738 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:16:01,738 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:16:01,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:16:01,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:16:01,740 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:01,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:01,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,772 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:16:01,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:16:01,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:16:01,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:16:01,775 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:01,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:01,778 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:16:01,780 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:16:01,780 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:16:01,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,785 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:16:01,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:16:01,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:16:01,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:16:01,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:16:01,789 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 158 [2021-11-07 01:16:01,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:16:01,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:16:01,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:16:01,799 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:01,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:01,803 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,804 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:16:01,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:16:01,806 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:16:01,806 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:159, output treesize:153 [2021-11-07 01:16:01,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:01,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:01,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:01,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:16:01,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:16:01,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 331 [2021-11-07 01:16:01,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-07 01:16:01,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 313 [2021-11-07 01:16:01,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:01,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:16:01,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:01,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:16:01,911 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,912 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:16:01,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:16:01,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:16:01,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:16:01,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:16:01,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:01,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:16:01,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:16:01,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 347 [2021-11-07 01:16:01,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:01,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:16:01,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 390 [2021-11-07 01:16:01,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:16:01,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:16:01,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:16:01,944 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:01,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:01,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-07 01:16:01,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:16:01,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:16:01,959 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:01,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:01,976 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:01,982 INFO L180 QuantifierPusher]: treesize reduction 106, result has 77.5 percent of original size [2021-11-07 01:16:01,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-07 01:16:01,986 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:16:01,986 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:479, output treesize:377 [2021-11-07 01:16:01,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,024 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:16:02,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:02,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:02,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:16:02,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:16:02,027 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:02,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:02,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:16:02,035 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:16:02,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:16:02,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:16:02,036 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:02,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,038 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:16:02,041 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:16:02,041 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:16:02,046 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:16:02,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:16:02,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,073 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-07 01:16:02,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:16:02,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,101 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:16:02,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:16:02,106 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:16:02,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:16:02,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,110 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:16:02,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:16:02,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,148 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:16:02,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:16:02,153 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:16:02,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:16:02,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:16:02,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:16:02,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,199 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:16:02,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:16:02,204 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:16:02,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:16:02,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:16:02,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:16:02,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,247 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:16:02,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:16:02,252 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:16:02,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:16:02,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:16:02,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:16:02,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,288 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:16:02,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:16:02,292 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:16:02,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:16:02,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,294 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:16:02,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:02,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:16:02,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:02,319 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:16:02,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:16:02,323 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:16:02,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:16:02,838 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:16:02,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 41 [2021-11-07 01:16:02,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380447011] [2021-11-07 01:16:02,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2021-11-07 01:16:02,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:16:02,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-11-07 01:16:02,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=419, Invalid=1651, Unknown=0, NotChecked=0, Total=2070 [2021-11-07 01:16:02,839 INFO L87 Difference]: Start difference. First operand 127 states and 137 transitions. Second operand has 41 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 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) [2021-11-07 01:16:03,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:16:03,419 INFO L93 Difference]: Finished difference Result 302 states and 327 transitions. [2021-11-07 01:16:03,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-07 01:16:03,419 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 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 89 [2021-11-07 01:16:03,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:16:03,424 INFO L225 Difference]: With dead ends: 302 [2021-11-07 01:16:03,424 INFO L226 Difference]: Without dead ends: 128 [2021-11-07 01:16:03,426 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 806 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=679, Invalid=2627, Unknown=0, NotChecked=0, Total=3306 [2021-11-07 01:16:03,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-11-07 01:16:03,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2021-11-07 01:16:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.0866141732283465) internal successors, (138), 127 states have internal predecessors, (138), 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) [2021-11-07 01:16:03,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 138 transitions. [2021-11-07 01:16:03,495 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 138 transitions. Word has length 89 [2021-11-07 01:16:03,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:16:03,495 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 138 transitions. [2021-11-07 01:16:03,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 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) [2021-11-07 01:16:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 138 transitions. [2021-11-07 01:16:03,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-07 01:16:03,495 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:16:03,495 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:16:03,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2021-11-07 01:16:03,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2328,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:16:03,696 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:16:03,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:16:03,697 INFO L85 PathProgramCache]: Analyzing trace with hash 532807397, now seen corresponding path program 32 times [2021-11-07 01:16:03,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:16:03,697 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179302701] [2021-11-07 01:16:03,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:16:03,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:16:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:16:04,004 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 55 proven. 89 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2021-11-07 01:16:04,005 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:16:04,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179302701] [2021-11-07 01:16:04,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179302701] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:16:04,005 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837814278] [2021-11-07 01:16:04,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:16:04,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:16:04,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:16:04,006 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:16:04,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2021-11-07 01:16:06,027 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-11-07 01:16:06,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:16:06,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-07 01:16:06,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:16:06,755 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2021-11-07 01:16:06,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 78 proven. 66 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2021-11-07 01:16:07,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837814278] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:16:07,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [13429227] [2021-11-07 01:16:07,261 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:16:07,261 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:16:07,262 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:16:07,262 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:16:07,262 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:16:07,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:16:07,267 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:16:07,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:16:07,269 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_102|], 21=[|v_#valid_105|]} [2021-11-07 01:16:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:16:07,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:16:07,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:16:07,277 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:07,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,278 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,296 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:16:07,296 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:16:07,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:07,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:07,298 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:07,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,300 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:16:07,302 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:16:07,302 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:16:07,321 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:16:07,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:16:07,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:16:07,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:16:07,326 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_103|], 15=[|v_#valid_106|]} [2021-11-07 01:16:07,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,337 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:16:07,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:16:07,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:16:07,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:16:07,339 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:07,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,342 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,371 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:16:07,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:16:07,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:16:07,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:16:07,373 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:07,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:16:07,378 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:16:07,378 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:16:07,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:16:07,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:16:07,393 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:07,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:16:07,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:16:07,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:16:07,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:16:07,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:16:07,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:16:07,412 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:07,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:16:07,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:16:07,418 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:16:07,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,457 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:16:07,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:16:07,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:16:07,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:16:07,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:16:07,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:07,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:16:07,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:07,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:16:07,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:16:07,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:16:07,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:16:07,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:16:07,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:16:07,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:07,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:16:07,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:16:07,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:16:07,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:16:07,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:16:07,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,508 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 59 treesize of output 55 [2021-11-07 01:16:07,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:16:07,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:16:07,510 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:07,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:16:07,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:16:07,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:16:07,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:16:07,523 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:07,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,547 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:16:07,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:16:07,551 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:16:07,551 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:16:07,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,586 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:16:07,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:16:07,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:16:07,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:16:07,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:16:07,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:16:07,600 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 [2021-11-07 01:16:07,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:16:07,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:16:07,602 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:16:07,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,603 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:16:07,604 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:16:07,605 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:16:07,608 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:16:07,609 INFO L185 QuantifierPusher]: treesize reduction 7, result has 88.9 percent of original size 56 [2021-11-07 01:16:07,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,626 INFO L180 QuantifierPusher]: treesize reduction 7, result has 95.9 percent of original size [2021-11-07 01:16:07,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:16:07,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,643 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:16:07,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:16:07,647 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:16:07,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:16:07,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,649 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:16:07,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:16:07,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,675 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:16:07,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:16:07,678 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:16:07,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:16:07,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,681 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:16:07,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:16:07,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,706 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:16:07,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:16:07,710 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:16:07,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:16:07,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:16:07,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:16:07,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,738 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:16:07,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:16:07,742 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:16:07,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:16:07,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,744 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:16:07,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:16:07,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,770 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:16:07,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:16:07,773 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:16:07,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:16:07,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:16:07,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:16:07,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:16:07,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:16:07,804 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:16:07,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:16:07,808 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:16:08,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:16:08,390 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:16:08,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2021-11-07 01:16:08,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595778469] [2021-11-07 01:16:08,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2021-11-07 01:16:08,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:16:08,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-11-07 01:16:08,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=587, Invalid=4105, Unknown=0, NotChecked=0, Total=4692 [2021-11-07 01:16:08,392 INFO L87 Difference]: Start difference. First operand 128 states and 138 transitions. Second operand has 64 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 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) [2021-11-07 01:16:09,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:16:09,199 INFO L93 Difference]: Finished difference Result 197 states and 217 transitions. [2021-11-07 01:16:09,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 01:16:09,199 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 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 90 [2021-11-07 01:16:09,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:16:09,200 INFO L225 Difference]: With dead ends: 197 [2021-11-07 01:16:09,200 INFO L226 Difference]: Without dead ends: 96 [2021-11-07 01:16:09,201 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2038 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1030, Invalid=5776, Unknown=0, NotChecked=0, Total=6806 [2021-11-07 01:16:09,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2021-11-07 01:16:09,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2021-11-07 01:16:09,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 95 states have (on average 1.0736842105263158) internal successors, (102), 95 states have internal predecessors, (102), 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) [2021-11-07 01:16:09,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 102 transitions. [2021-11-07 01:16:09,252 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 102 transitions. Word has length 90 [2021-11-07 01:16:09,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:16:09,253 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 102 transitions. [2021-11-07 01:16:09,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 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) [2021-11-07 01:16:09,253 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2021-11-07 01:16:09,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-07 01:16:09,254 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:16:09,254 INFO L513 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:16:09,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2021-11-07 01:16:09,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2406,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:16:09,455 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:16:09,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:16:09,456 INFO L85 PathProgramCache]: Analyzing trace with hash 290131534, now seen corresponding path program 33 times [2021-11-07 01:16:09,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:16:09,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815891687] [2021-11-07 01:16:09,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:16:09,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:16:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:16:20,238 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 81 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:16:20,239 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:16:20,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815891687] [2021-11-07 01:16:20,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815891687] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:16:20,239 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572977333] [2021-11-07 01:16:20,239 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:16:20,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:16:20,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:16:20,240 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:16:20,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-11-07 01:16:22,272 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:16:22,272 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:16:22,277 WARN L261 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 295 conjunts are in the unsatisfiable core [2021-11-07 01:16:22,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:16:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-07 01:16:28,728 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:41,307 WARN L207 SmtUtils]: Spent 7.65 s on a formula simplification. DAG size of input: 1166 DAG size of output: 638 [2021-11-07 01:16:41,309 INFO L354 Elim1Store]: treesize reduction 2499, result has 38.6 percent of original size [2021-11-07 01:16:41,310 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 206 treesize of output 1602 [2021-11-07 01:17:59,882 INFO L354 Elim1Store]: treesize reduction 4023, result has 1.2 percent of original size [2021-11-07 01:17:59,882 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 205 treesize of output 77 [2021-11-07 01:18:00,059 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 0 proven. 468 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-07 01:18:00,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1572977333] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:18:00,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1794023679] [2021-11-07 01:18:00,061 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:18:00,061 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:18:00,061 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:18:00,061 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:18:00,061 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:18:00,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:18:00,065 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:18:00,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:18:00,067 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_105|], 21=[|v_#valid_108|]} [2021-11-07 01:18:00,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:18:00,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:18:00,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:18:00,075 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:00,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,077 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,096 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:18:00,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:18:00,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:00,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:00,099 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:00,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,101 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:18:00,102 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:18:00,102 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:18:00,105 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:18:00,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:18:00,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:18:00,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:18:00,109 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_106|], 15=[|v_#valid_109|]} [2021-11-07 01:18:00,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,121 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:18:00,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:18:00,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:18:00,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:18:00,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:00,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,125 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,156 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:18:00,156 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:18:00,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:18:00,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:18:00,159 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:00,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:18:00,164 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:18:00,164 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:18:00,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:18:00,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:18:00,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:00,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:18:00,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:18:00,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:18:00,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:18:00,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:18:00,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:18:00,195 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:00,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,255 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:18:00,280 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:18:00,280 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:18:00,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,313 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,319 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:18:00,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:18:00,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:18:00,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:18:00,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:18:00,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:00,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:18:00,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:18:00,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:18:00,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:00,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:18:00,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:18:00,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:00,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:18:00,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:18:00,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:18:00,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:18:00,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:18:00,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:18:00,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:18:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,370 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 59 treesize of output 55 [2021-11-07 01:18:00,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:18:00,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:18:00,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:00,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:00,383 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:18:00,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:18:00,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:18:00,384 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:00,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,402 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,408 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:18:00,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:18:00,412 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:18:00,412 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:18:00,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,438 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:18:00,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:18:00,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:18:00,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:00,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:00,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:18:00,446 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 [2021-11-07 01:18:00,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:18:00,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:18:00,447 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:00,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,448 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:18:00,450 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:18:00,450 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:18:00,453 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:18:00,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:18:00,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,472 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-07 01:18:00,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:18:00,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,491 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:00,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:00,495 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:00,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:00,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,497 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:18:00,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:18:00,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,523 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:00,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:00,526 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:00,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:00,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:18:00,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:18:00,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,555 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:00,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:00,558 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:00,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:00,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,563 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:18:00,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:18:00,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,589 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:00,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:00,592 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:00,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:00,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:18:00,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:18:00,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,621 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:00,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:00,624 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:00,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:00,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:18:00,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:00,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:18:00,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:00,653 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:00,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:00,658 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:18:01,789 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:18:01,789 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:18:01,789 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 30, 30] total 116 [2021-11-07 01:18:01,789 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302881762] [2021-11-07 01:18:01,790 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2021-11-07 01:18:01,790 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:18:01,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2021-11-07 01:18:01,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=616, Invalid=13904, Unknown=0, NotChecked=0, Total=14520 [2021-11-07 01:18:01,792 INFO L87 Difference]: Start difference. First operand 96 states and 102 transitions. Second operand has 116 states, 116 states have (on average 1.9827586206896552) internal successors, (230), 116 states have internal predecessors, (230), 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) [2021-11-07 01:18:19,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:18:19,904 INFO L93 Difference]: Finished difference Result 241 states and 260 transitions. [2021-11-07 01:18:19,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-11-07 01:18:19,905 INFO L78 Accepts]: Start accepts. Automaton has has 116 states, 116 states have (on average 1.9827586206896552) internal successors, (230), 116 states have internal predecessors, (230), 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 95 [2021-11-07 01:18:19,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:18:19,906 INFO L225 Difference]: With dead ends: 241 [2021-11-07 01:18:19,906 INFO L226 Difference]: Without dead ends: 238 [2021-11-07 01:18:19,908 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 184 SyntacticMatches, 74 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13675 ImplicationChecksByTransitivity, 28.0s TimeCoverageRelationStatistics Valid=2059, Invalid=31247, Unknown=0, NotChecked=0, Total=33306 [2021-11-07 01:18:19,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2021-11-07 01:18:20,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 137. [2021-11-07 01:18:20,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 136 states have (on average 1.0808823529411764) internal successors, (147), 136 states have internal predecessors, (147), 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) [2021-11-07 01:18:20,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 147 transitions. [2021-11-07 01:18:20,016 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 147 transitions. Word has length 95 [2021-11-07 01:18:20,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:18:20,016 INFO L470 AbstractCegarLoop]: Abstraction has 137 states and 147 transitions. [2021-11-07 01:18:20,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 1.9827586206896552) internal successors, (230), 116 states have internal predecessors, (230), 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) [2021-11-07 01:18:20,016 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 147 transitions. [2021-11-07 01:18:20,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-07 01:18:20,017 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:18:20,017 INFO L513 BasicCegarLoop]: trace histogram [13, 12, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:18:20,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2021-11-07 01:18:20,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2483,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:18:20,218 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:18:20,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:18:20,218 INFO L85 PathProgramCache]: Analyzing trace with hash 403726895, now seen corresponding path program 34 times [2021-11-07 01:18:20,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:18:20,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808763947] [2021-11-07 01:18:20,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:18:20,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:18:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:18:20,610 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 79 proven. 90 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-11-07 01:18:20,611 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:18:20,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808763947] [2021-11-07 01:18:20,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808763947] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:18:20,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195578900] [2021-11-07 01:18:20,611 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:18:20,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:18:20,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:18:20,612 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:18:20,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-11-07 01:18:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:18:22,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-07 01:18:22,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:18:23,453 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-11-07 01:18:23,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:18:23,691 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-11-07 01:18:23,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195578900] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:18:23,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1255456897] [2021-11-07 01:18:23,692 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:18:23,693 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:18:23,693 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:18:23,693 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:18:23,693 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:18:23,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,696 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:18:23,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:18:23,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:18:23,699 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_108|], 21=[|v_#valid_111|]} [2021-11-07 01:18:23,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,706 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:18:23,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:18:23,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:18:23,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:23,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:23,708 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,727 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:18:23,727 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:18:23,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:23,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:23,730 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:23,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:23,731 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:18:23,733 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:18:23,733 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:18:23,735 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:18:23,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:18:23,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:18:23,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:18:23,740 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_109|], 15=[|v_#valid_112|]} [2021-11-07 01:18:23,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,751 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:18:23,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:18:23,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:18:23,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:18:23,769 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:23,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:23,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,812 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:18:23,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:18:23,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:18:23,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:18:23,817 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:23,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:23,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:18:23,824 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:18:23,825 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:18:23,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:23,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:18:23,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:18:23,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:18:23,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:18:23,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:18:23,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:18:23,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:18:23,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:18:23,850 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:23,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:23,855 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:18:23,860 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:18:23,860 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:18:23,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:23,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:23,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:23,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,911 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:23,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:18:23,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:18:23,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:18:23,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:18:23,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:18:23,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:18:23,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:23,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:18:23,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:18:23,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:18:23,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:18:23,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:23,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:18:23,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:18:23,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:18:23,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:18:23,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:18:23,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:23,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:18:23,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:18:23,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:23,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:18:23,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:18:23,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:23,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:18:23,994 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:24,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:24,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:24,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:24,010 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 59 treesize of output 55 [2021-11-07 01:18:24,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:18:24,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:18:24,013 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:24,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,051 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:18:24,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:18:24,057 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:18:24,057 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:18:24,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,096 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:18:24,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:24,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:24,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:18:24,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:18:24,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:24,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:24,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:18:24,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:18:24,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:18:24,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:18:24,108 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:24,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:18:24,113 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:18:24,113 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:18:24,117 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:18:24,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:18:24,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,144 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.2 percent of original size [2021-11-07 01:18:24,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-07 01:18:24,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,163 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:24,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:24,166 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:24,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:24,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:18:24,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:18:24,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,196 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:24,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:24,199 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:24,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:24,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,202 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:18:24,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,207 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:18:24,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,228 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:24,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:24,231 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:24,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:24,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,234 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:18:24,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:18:24,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,260 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:24,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:24,263 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:24,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:24,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:18:24,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:18:24,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,292 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:24,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:24,295 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:24,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:24,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,298 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:18:24,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:24,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:18:24,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:24,324 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:24,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:24,328 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:18:24,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:18:24,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:18:24,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 44 [2021-11-07 01:18:24,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833023676] [2021-11-07 01:18:24,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2021-11-07 01:18:24,869 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:18:24,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-11-07 01:18:24,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=478, Invalid=1874, Unknown=0, NotChecked=0, Total=2352 [2021-11-07 01:18:24,870 INFO L87 Difference]: Start difference. First operand 137 states and 147 transitions. Second operand has 44 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 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) [2021-11-07 01:18:25,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:18:25,642 INFO L93 Difference]: Finished difference Result 326 states and 351 transitions. [2021-11-07 01:18:25,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-07 01:18:25,643 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 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 96 [2021-11-07 01:18:25,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:18:25,644 INFO L225 Difference]: With dead ends: 326 [2021-11-07 01:18:25,644 INFO L226 Difference]: Without dead ends: 138 [2021-11-07 01:18:25,644 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 918 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=779, Invalid=3003, Unknown=0, NotChecked=0, Total=3782 [2021-11-07 01:18:25,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-11-07 01:18:25,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2021-11-07 01:18:25,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 1.0802919708029197) internal successors, (148), 137 states have internal predecessors, (148), 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) [2021-11-07 01:18:25,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 148 transitions. [2021-11-07 01:18:25,761 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 148 transitions. Word has length 96 [2021-11-07 01:18:25,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:18:25,762 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 148 transitions. [2021-11-07 01:18:25,762 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 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) [2021-11-07 01:18:25,762 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 148 transitions. [2021-11-07 01:18:25,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-07 01:18:25,763 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:18:25,763 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:18:25,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-11-07 01:18:25,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2560,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:18:25,987 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:18:25,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:18:25,988 INFO L85 PathProgramCache]: Analyzing trace with hash -566095454, now seen corresponding path program 35 times [2021-11-07 01:18:25,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:18:25,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025875728] [2021-11-07 01:18:25,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:18:25,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:18:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:18:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 66 proven. 103 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2021-11-07 01:18:26,365 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:18:26,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025875728] [2021-11-07 01:18:26,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025875728] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:18:26,365 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280299112] [2021-11-07 01:18:26,365 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:18:26,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:18:26,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:18:26,366 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:18:26,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2021-11-07 01:18:28,740 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-07 01:18:28,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:18:28,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-07 01:18:28,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:18:29,568 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2021-11-07 01:18:29,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:18:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 91 proven. 78 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2021-11-07 01:18:30,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280299112] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:18:30,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1544262488] [2021-11-07 01:18:30,158 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:18:30,158 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:18:30,158 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:18:30,158 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:18:30,158 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:18:30,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:18:30,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:18:30,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:18:30,185 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_110|], 21=[|v_#valid_113|]} [2021-11-07 01:18:30,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 7 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 [2021-11-07 01:18:30,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:18:30,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:18:30,195 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:30,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,219 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:18:30,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 34 [2021-11-07 01:18:30,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:30,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:30,222 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:30,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:18:30,225 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:18:30,225 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:103 [2021-11-07 01:18:30,227 INFO L180 QuantifierPusher]: treesize reduction 5, result has 96.5 percent of original size [2021-11-07 01:18:30,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:18:30,229 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:18:30,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:18:30,231 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_111|], 15=[|v_#valid_114|]} [2021-11-07 01:18:30,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,243 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:18:30,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:18:30,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:18:30,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:18:30,245 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:30,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,248 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,277 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-11-07 01:18:30,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2021-11-07 01:18:30,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:18:30,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:18:30,280 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:30,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,283 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-11-07 01:18:30,285 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:18:30,285 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:136, output treesize:137 [2021-11-07 01:18:30,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:18:30,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:18:30,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:30,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:18:30,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:18:30,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:18:30,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:18:30,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:18:30,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:18:30,302 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:30,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 170 [2021-11-07 01:18:30,308 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:18:30,308 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:170 [2021-11-07 01:18:30,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:30,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:18:30,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:18:30,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:18:30,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 346 [2021-11-07 01:18:30,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 327 [2021-11-07 01:18:30,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 328 [2021-11-07 01:18:30,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:30,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:18:30,364 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,364 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:18:30,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:18:30,366 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:18:30,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:30,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:18:30,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,369 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:18:30,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:18:30,370 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:18:30,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 362 [2021-11-07 01:18:30,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 335 [2021-11-07 01:18:30,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 405 [2021-11-07 01:18:30,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,409 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:18:30,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:18:30,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:18:30,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:30,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:18:30,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-07 01:18:30,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:18:30,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:18:30,426 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:30,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,444 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,450 INFO L180 QuantifierPusher]: treesize reduction 111, result has 77.2 percent of original size [2021-11-07 01:18:30,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:18:30,453 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:18:30,453 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:494, output treesize:387 [2021-11-07 01:18:30,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,479 INFO L180 QuantifierPusher]: treesize reduction 42, result has 65.0 percent of original size [2021-11-07 01:18:30,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,481 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:18:30,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:18:30,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:18:30,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:18:30,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:18:30,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:18:30,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:18:30,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:18:30,488 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:18:30,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:18:30,491 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:18:30,491 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:77 [2021-11-07 01:18:30,494 INFO L180 QuantifierPusher]: treesize reduction 43, result has 63.2 percent of original size [2021-11-07 01:18:30,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:18:30,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,516 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.1 percent of original size [2021-11-07 01:18:30,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:18:30,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,534 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:30,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:30,537 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:30,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:30,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,540 INFO L185 QuantifierPusher]: treesize reduction 3, result has 93.9 percent of original size 46 [2021-11-07 01:18:30,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-07 01:18:30,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,565 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:30,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:30,568 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:30,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:30,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:18:30,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:18:30,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,597 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:30,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:30,600 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:30,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:30,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:18:30,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,606 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:18:30,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,629 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:30,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:30,632 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:30,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:30,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:18:30,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:18:30,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,676 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:30,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:30,679 INFO L180 QuantifierPusher]: treesize reduction 37, result has 58.9 percent of original size [2021-11-07 01:18:30,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:18:30,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:18:30,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:18:30,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 141 [2021-11-07 01:18:30,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:18:30,708 INFO L180 QuantifierPusher]: treesize reduction 36, result has 65.4 percent of original size [2021-11-07 01:18:30,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:18:30,714 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:18:31,370 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:18:31,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:18:31,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 69 [2021-11-07 01:18:31,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559772359] [2021-11-07 01:18:31,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2021-11-07 01:18:31,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:18:31,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-11-07 01:18:31,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=673, Invalid=4729, Unknown=0, NotChecked=0, Total=5402 [2021-11-07 01:18:31,372 INFO L87 Difference]: Start difference. First operand 138 states and 148 transitions. Second operand has 69 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 69 states have internal predecessors, (92), 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) [2021-11-07 01:18:32,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:18:32,204 INFO L93 Difference]: Finished difference Result 212 states and 232 transitions. [2021-11-07 01:18:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 01:18:32,205 INFO L78 Accepts]: Start accepts. Automaton has has 69 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 69 states have internal predecessors, (92), 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 97 [2021-11-07 01:18:32,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:18:32,205 INFO L225 Difference]: With dead ends: 212 [2021-11-07 01:18:32,205 INFO L226 Difference]: Without dead ends: 103 [2021-11-07 01:18:32,206 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2365 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1185, Invalid=6647, Unknown=0, NotChecked=0, Total=7832 [2021-11-07 01:18:32,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-11-07 01:18:32,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-11-07 01:18:32,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.0686274509803921) internal successors, (109), 102 states have internal predecessors, (109), 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) [2021-11-07 01:18:32,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 109 transitions. [2021-11-07 01:18:32,264 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 109 transitions. Word has length 97 [2021-11-07 01:18:32,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:18:32,264 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 109 transitions. [2021-11-07 01:18:32,264 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 1.3333333333333333) internal successors, (92), 69 states have internal predecessors, (92), 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) [2021-11-07 01:18:32,264 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 109 transitions. [2021-11-07 01:18:32,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-07 01:18:32,265 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:18:32,265 INFO L513 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:18:32,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2021-11-07 01:18:32,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2637 [2021-11-07 01:18:32,465 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:18:32,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:18:32,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1543164987, now seen corresponding path program 36 times [2021-11-07 01:18:32,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:18:32,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998334818] [2021-11-07 01:18:32,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:18:32,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:18:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:18:46,229 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 76 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:18:46,229 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:18:46,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998334818] [2021-11-07 01:18:46,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998334818] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:18:46,229 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795823758] [2021-11-07 01:18:46,229 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:18:46,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:18:46,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:18:46,230 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:18:46,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de20c705-9ca5-48b1-a7d2-79a3d551cc7a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-11-07 01:18:48,625 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:18:48,625 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:18:48,634 WARN L261 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 319 conjunts are in the unsatisfiable core [2021-11-07 01:18:48,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:18:56,450 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-07 01:18:56,450 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:19:13,279 WARN L207 SmtUtils]: Spent 10.63 s on a formula simplification. DAG size of input: 1367 DAG size of output: 743 [2021-11-07 01:19:13,281 INFO L354 Elim1Store]: treesize reduction 2954, result has 38.5 percent of original size [2021-11-07 01:19:13,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 223 treesize of output 1878