./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss4.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_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/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_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/ss4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/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_79d90c65-01e5-47fb-824c-1bb1a28740ab/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 cb671fec0d42514b04873418e954f5a2df95ef7f393045434a478c03667a31d2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:24:31,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:24:31,854 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:24:31,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:24:31,913 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:24:31,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:24:31,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:24:31,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:24:31,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:24:31,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:24:31,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:24:31,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:24:31,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:24:31,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:24:31,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:24:31,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:24:31,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:24:31,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:24:31,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:24:31,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:24:31,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:24:31,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:24:31,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:24:31,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:24:31,983 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:24:31,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:24:31,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:24:31,987 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:24:31,988 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:24:31,990 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:24:31,991 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:24:31,992 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:24:31,995 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:24:31,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:24:31,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:24:31,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:24:32,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:24:32,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:24:32,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:24:32,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:24:32,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:24:32,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:24:32,062 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:24:32,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:24:32,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:24:32,065 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:24:32,065 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:24:32,065 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:24:32,066 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:24:32,066 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:24:32,066 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:24:32,066 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:24:32,068 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:24:32,068 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:24:32,068 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:24:32,069 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:24:32,069 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:24:32,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:24:32,070 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:24:32,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:24:32,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:24:32,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:24:32,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:24:32,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:24:32,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:24:32,073 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:24:32,073 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:24:32,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:24:32,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:24:32,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:24:32,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:24:32,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:24:32,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:24:32,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:24:32,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:24:32,078 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:24:32,078 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:24:32,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:24:32,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:24:32,079 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:24:32,079 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:24:32,079 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_79d90c65-01e5-47fb-824c-1bb1a28740ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb671fec0d42514b04873418e954f5a2df95ef7f393045434a478c03667a31d2 [2021-11-07 01:24:32,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:24:32,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:24:32,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:24:32,417 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:24:32,418 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:24:32,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-fpi/ss4.c [2021-11-07 01:24:32,484 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/data/dd97cd2f3/077647b0fdc2462c8e5b14be7d4885c1/FLAGac3885343 [2021-11-07 01:24:33,041 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:24:33,042 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/sv-benchmarks/c/array-fpi/ss4.c [2021-11-07 01:24:33,055 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/data/dd97cd2f3/077647b0fdc2462c8e5b14be7d4885c1/FLAGac3885343 [2021-11-07 01:24:33,351 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/data/dd97cd2f3/077647b0fdc2462c8e5b14be7d4885c1 [2021-11-07 01:24:33,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:24:33,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:24:33,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:24:33,359 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:24:33,363 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:24:33,364 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:24:33" (1/1) ... [2021-11-07 01:24:33,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@410ada29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33, skipping insertion in model container [2021-11-07 01:24:33,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:24:33" (1/1) ... [2021-11-07 01:24:33,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:24:33,392 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:24:33,639 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_79d90c65-01e5-47fb-824c-1bb1a28740ab/sv-benchmarks/c/array-fpi/ss4.c[586,599] [2021-11-07 01:24:33,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:24:33,676 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:24:33,690 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_79d90c65-01e5-47fb-824c-1bb1a28740ab/sv-benchmarks/c/array-fpi/ss4.c[586,599] [2021-11-07 01:24:33,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:24:33,722 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:24:33,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33 WrapperNode [2021-11-07 01:24:33,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:24:33,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:24:33,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:24:33,725 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:24:33,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33" (1/1) ... [2021-11-07 01:24:33,745 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33" (1/1) ... [2021-11-07 01:24:33,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:24:33,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:24:33,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:24:33,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:24:33,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33" (1/1) ... [2021-11-07 01:24:33,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33" (1/1) ... [2021-11-07 01:24:33,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33" (1/1) ... [2021-11-07 01:24:33,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33" (1/1) ... [2021-11-07 01:24:33,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33" (1/1) ... [2021-11-07 01:24:33,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33" (1/1) ... [2021-11-07 01:24:33,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33" (1/1) ... [2021-11-07 01:24:33,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:24:33,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:24:33,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:24:33,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:24:33,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33" (1/1) ... [2021-11-07 01:24:33,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:24:33,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:24:33,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:24:33,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:24:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:24:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:24:33,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:24:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:24:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:24:33,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:24:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:24:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:24:34,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:24:34,426 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-07 01:24:34,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:24:34 BoogieIcfgContainer [2021-11-07 01:24:34,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:24:34,431 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:24:34,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:24:34,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:24:34,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:24:33" (1/3) ... [2021-11-07 01:24:34,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c55334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:24:34, skipping insertion in model container [2021-11-07 01:24:34,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:24:33" (2/3) ... [2021-11-07 01:24:34,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c55334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:24:34, skipping insertion in model container [2021-11-07 01:24:34,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:24:34" (3/3) ... [2021-11-07 01:24:34,440 INFO L111 eAbstractionObserver]: Analyzing ICFG ss4.c [2021-11-07 01:24:34,447 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:24:34,447 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:24:34,505 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:24:34,513 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 01:24:34,513 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:24:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:24:34,536 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:24:34,537 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:24:34,538 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:24:34,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:24:34,545 INFO L85 PathProgramCache]: Analyzing trace with hash -228288665, now seen corresponding path program 1 times [2021-11-07 01:24:34,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:24:34,558 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102185437] [2021-11-07 01:24:34,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:34,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:24:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:24:34,840 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 01:24:34,841 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:24:34,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102185437] [2021-11-07 01:24:34,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102185437] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:24:34,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:24:34,844 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:24:34,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704999126] [2021-11-07 01:24:34,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:24:34,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:24:34,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:24:34,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:24:34,873 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:34,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:24:34,922 INFO L93 Difference]: Finished difference Result 22 states and 31 transitions. [2021-11-07 01:24:34,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:24:34,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-07 01:24:34,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:24:34,934 INFO L225 Difference]: With dead ends: 22 [2021-11-07 01:24:34,934 INFO L226 Difference]: Without dead ends: 10 [2021-11-07 01:24:34,938 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 01:24:34,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-07 01:24:34,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-07 01:24:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-11-07 01:24:34,975 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 13 transitions. Word has length 8 [2021-11-07 01:24:34,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:24:34,976 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-07 01:24:34,976 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-07 01:24:34,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 01:24:34,977 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:24:34,977 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:24:34,978 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:24:34,978 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:24:34,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:24:34,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1111661393, now seen corresponding path program 1 times [2021-11-07 01:24:34,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:24:34,981 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447305262] [2021-11-07 01:24:34,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:34,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:24:35,014 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:24:35,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [65862031] [2021-11-07 01:24:35,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:35,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:24:35,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:24:35,018 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:24:35,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:24:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:24:35,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:24:35,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:24:35,295 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 01:24:35,296 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:24:35,372 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 01:24:35,372 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:24:35,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447305262] [2021-11-07 01:24:35,373 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:24:35,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65862031] [2021-11-07 01:24:35,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65862031] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:24:35,374 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:24:35,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-07 01:24:35,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499084173] [2021-11-07 01:24:35,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:24:35,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:24:35,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:24:35,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:24:35,382 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 01:24:35,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:24:35,470 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2021-11-07 01:24:35,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:24:35,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 9 [2021-11-07 01:24:35,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:24:35,472 INFO L225 Difference]: With dead ends: 18 [2021-11-07 01:24:35,472 INFO L226 Difference]: Without dead ends: 13 [2021-11-07 01:24:35,473 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 01:24:35,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-07 01:24:35,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-07 01:24:35,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:35,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-07 01:24:35,488 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 9 [2021-11-07 01:24:35,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:24:35,488 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-07 01:24:35,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 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 01:24:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-07 01:24:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:24:35,490 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:24:35,490 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:24:35,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 01:24:35,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:24:35,714 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:24:35,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:24:35,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1860477013, now seen corresponding path program 1 times [2021-11-07 01:24:35,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:24:35,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161740535] [2021-11-07 01:24:35,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:35,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:24:35,788 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:24:35,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1504643025] [2021-11-07 01:24:35,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:35,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:24:35,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:24:35,800 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:24:35,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:24:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:24:35,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-07 01:24:35,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:24:36,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:24:36,020 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:24:36,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-07 01:24:36,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2021-11-07 01:24:36,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2021-11-07 01:24:36,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2021-11-07 01:24:36,586 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-07 01:24:36,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 27 [2021-11-07 01:24:36,763 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-07 01:24:36,763 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 64 treesize of output 44 [2021-11-07 01:24:36,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:24:36,839 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:24:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:24:37,680 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:24:37,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161740535] [2021-11-07 01:24:37,680 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:24:37,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504643025] [2021-11-07 01:24:37,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504643025] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:24:37,681 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1649187113] [2021-11-07 01:24:37,724 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:24:37,725 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:24:37,737 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:24:37,748 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:24:37,749 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:24:37,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:37,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:37,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:37,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:24:37,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:37,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:37,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:24:37,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-07 01:24:37,849 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 21=[|v_#valid_22|]} [2021-11-07 01:24:37,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:37,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:37,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:37,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:24:37,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:37,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:24:37,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:37,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:24:37,872 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:37,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:37,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:37,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:37,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:37,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:37,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:37,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:37,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:37,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:37,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:37,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:37,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:24:37,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:37,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:24:37,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:37,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:24:37,989 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:37,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:38,014 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:24:38,020 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:38,021 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:176, output treesize:151 [2021-11-07 01:24:38,035 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-07 01:24:38,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:38,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:24:38,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:38,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:24:38,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:38,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:24:38,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-07 01:24:38,060 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_19|], 28=[|v_#valid_23|]} [2021-11-07 01:24:38,076 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:24:38,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:24:38,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:24:38,078 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:38,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,145 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:24:38,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:24:38,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:24:38,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:24:38,156 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:38,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:38,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:24:38,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:24:38,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:24:38,273 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:38,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:38,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,374 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 100 [2021-11-07 01:24:38,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:24:38,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:24:38,384 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:38,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:38,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-07 01:24:38,453 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:38,454 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:464, output treesize:216 [2021-11-07 01:24:38,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:38,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:24:38,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-07 01:24:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:24:38,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:24:38,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:24:38,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:38,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:38,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-11-07 01:24:38,623 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:38,624 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:239, output treesize:235 [2021-11-07 01:24:38,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:38,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:38,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:38,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:38,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:38,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:24:38,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:38,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:24:38,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 490 [2021-11-07 01:24:38,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:38,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:38,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 471 [2021-11-07 01:24:38,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 553 [2021-11-07 01:24:38,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:38,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,064 INFO L244 Elim1Store]: Index analysis took 101 ms [2021-11-07 01:24:39,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 130 [2021-11-07 01:24:39,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:24:39,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:24:39,093 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:39,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:24:39,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:24:39,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:24:39,178 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:39,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,288 INFO L180 QuantifierPusher]: treesize reduction 131, result has 79.5 percent of original size [2021-11-07 01:24:39,296 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 507 [2021-11-07 01:24:39,298 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:24:39,299 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:646, output treesize:507 [2021-11-07 01:24:39,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,420 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:24:39,422 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:39,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:24:39,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:24:39,433 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 01:24:39,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:24:39,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:24:39,436 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:39,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:24:39,444 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:39,444 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:24:39,453 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:24:39,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:24:39,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:39,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:24:39,468 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:24:39,507 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:24:39,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:24:39,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,511 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:39,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:24:39,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:24:39,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:24:39,528 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:24:39,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,534 INFO L628 ElimStorePlain]: treesize reduction 25, result has 74.2 percent of original size [2021-11-07 01:24:39,536 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:24:39,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:24:39,539 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:39,539 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:24:39,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:39,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:24:39,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:24:39,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:39,623 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-07 01:24:39,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:24:39,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:24:39,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:39,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:24:39,675 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:24:39,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:24:39,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:39,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 01:24:39,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 01:24:39,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 01:24:39,695 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:24:39,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,726 INFO L628 ElimStorePlain]: treesize reduction 34, result has 87.5 percent of original size [2021-11-07 01:24:39,753 INFO L180 QuantifierPusher]: treesize reduction 102, result has 57.0 percent of original size [2021-11-07 01:24:39,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:24:39,759 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:24:39,759 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:279, output treesize:135 [2021-11-07 01:24:39,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,849 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:24:39,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:39,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:24:39,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:24:39,915 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:24:39,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:24:39,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:39,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:24:39,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:24:39,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:24:39,941 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:24:39,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:39,946 INFO L628 ElimStorePlain]: treesize reduction 34, result has 71.2 percent of original size [2021-11-07 01:24:39,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:24:39,951 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:39,951 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:24:39,959 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:24:39,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:24:39,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:39,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:39,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:24:39,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:24:39,981 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:24:40,010 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:24:40,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 34 [2021-11-07 01:24:40,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:40,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:24:40,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:24:40,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:24:40,023 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:24:40,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,033 INFO L628 ElimStorePlain]: treesize reduction 25, result has 76.0 percent of original size [2021-11-07 01:24:40,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:24:40,038 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:40,038 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:79 [2021-11-07 01:24:40,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,075 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:24:40,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:40,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:24:40,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:24:40,131 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:24:40,131 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:24:40,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:40,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:24:40,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:24:40,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:24:40,148 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:24:40,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,153 INFO L628 ElimStorePlain]: treesize reduction 47, result has 65.4 percent of original size [2021-11-07 01:24:40,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:24:40,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:40,158 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:89 [2021-11-07 01:24:40,165 INFO L180 QuantifierPusher]: treesize reduction 49, result has 59.8 percent of original size [2021-11-07 01:24:40,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:40,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:24:40,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:24:40,178 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 11 treesize of output 7 [2021-11-07 01:24:40,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:24:40,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:24:40,180 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:40,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 01:24:40,187 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:40,187 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:62 [2021-11-07 01:24:40,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:40,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:24:40,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:24:40,204 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:24:40,228 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-07 01:24:40,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 33 [2021-11-07 01:24:40,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:24:40,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:24:40,233 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:40,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:24:40,242 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:40,242 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:95 [2021-11-07 01:24:40,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,273 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:24:40,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:40,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:24:40,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:24:40,338 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:24:40,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:24:40,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:40,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:24:40,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:24:40,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:24:40,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:24:40,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:40,379 INFO L628 ElimStorePlain]: treesize reduction 33, result has 71.8 percent of original size [2021-11-07 01:24:40,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:40,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:24:40,383 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:40,384 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:24:40,393 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:24:41,383 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:24:41,383 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:24:41,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-11-07 01:24:41,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651586952] [2021-11-07 01:24:41,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-07 01:24:41,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:24:41,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-07 01:24:41,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2021-11-07 01:24:41,387 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states 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 01:24:42,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:24:42,550 INFO L93 Difference]: Finished difference Result 29 states and 36 transitions. [2021-11-07 01:24:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 01:24:42,551 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 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 01:24:42,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:24:42,552 INFO L225 Difference]: With dead ends: 29 [2021-11-07 01:24:42,552 INFO L226 Difference]: Without dead ends: 25 [2021-11-07 01:24:42,553 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2021-11-07 01:24:42,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-07 01:24:42,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 18. [2021-11-07 01:24:42,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:42,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-11-07 01:24:42,561 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 12 [2021-11-07 01:24:42,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:24:42,561 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-07 01:24:42,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states 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 01:24:42,563 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-11-07 01:24:42,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 01:24:42,563 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:24:42,564 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:24:42,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:24:42,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:24:42,786 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:24:42,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:24:42,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1839906970, now seen corresponding path program 2 times [2021-11-07 01:24:42,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:24:42,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319838652] [2021-11-07 01:24:42,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:42,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:24:42,844 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:24:42,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [442223529] [2021-11-07 01:24:42,851 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:24:42,851 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:24:42,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:24:42,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:24:42,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:24:42,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:24:42,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:24:42,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:24:42,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:24:43,070 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:24:43,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:24:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:24:43,139 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:24:43,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319838652] [2021-11-07 01:24:43,140 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:24:43,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442223529] [2021-11-07 01:24:43,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442223529] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:24:43,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019642823] [2021-11-07 01:24:43,146 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:24:43,146 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:24:43,147 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:24:43,147 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:24:43,147 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:24:43,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:43,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:24:43,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:43,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:24:43,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-07 01:24:43,177 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 21=[|v_#valid_25|]} [2021-11-07 01:24:43,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:24:43,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:24:43,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:24:43,196 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:43,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:43,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:24:43,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:24:43,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:24:43,244 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:43,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:43,250 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:24:43,255 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:43,255 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:176, output treesize:151 [2021-11-07 01:24:43,265 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-07 01:24:43,267 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:43,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:24:43,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:43,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:24:43,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:43,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:24:43,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-07 01:24:43,287 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_22|], 28=[|v_#valid_26|]} [2021-11-07 01:24:43,298 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:24:43,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:24:43,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:24:43,301 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:43,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,356 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:24:43,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:24:43,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:24:43,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:24:43,361 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:43,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:43,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:24:43,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:24:43,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:24:43,416 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:43,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:43,426 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 100 [2021-11-07 01:24:43,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:24:43,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:24:43,477 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:43,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:43,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-07 01:24:43,513 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:43,514 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:464, output treesize:216 [2021-11-07 01:24:43,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:43,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:24:43,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-07 01:24:43,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2021-11-07 01:24:43,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-07 01:24:43,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-07 01:24:43,588 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:43,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:43,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-07 01:24:43,610 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:43,610 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:227, output treesize:223 [2021-11-07 01:24:43,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:43,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:43,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:43,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:43,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:43,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:24:43,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:43,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:24:43,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 480 [2021-11-07 01:24:43,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:43,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 461 [2021-11-07 01:24:43,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 543 [2021-11-07 01:24:43,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:24:43,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:24:43,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:43,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:24:43,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:43,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:44,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 125 [2021-11-07 01:24:44,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:24:44,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:24:44,047 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:44,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,108 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,146 INFO L180 QuantifierPusher]: treesize reduction 126, result has 79.9 percent of original size [2021-11-07 01:24:44,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 502 [2021-11-07 01:24:44,159 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:24:44,160 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:636, output treesize:502 [2021-11-07 01:24:44,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,274 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:24:44,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:24:44,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:24:44,287 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 01:24:44,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:24:44,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:24:44,290 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:44,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:24:44,298 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:44,298 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:24:44,305 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:24:44,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:24:44,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:24:44,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:24:44,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:24:44,353 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:24:44,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:24:44,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:24:44,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:24:44,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:24:44,364 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:24:44,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,369 INFO L628 ElimStorePlain]: treesize reduction 31, result has 70.5 percent of original size [2021-11-07 01:24:44,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 01:24:44,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:44,373 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:74 [2021-11-07 01:24:44,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,404 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:24:44,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:24:44,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:24:44,476 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:24:44,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:24:44,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:24:44,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:24:44,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:24:44,497 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:24:44,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,502 INFO L628 ElimStorePlain]: treesize reduction 34, result has 71.2 percent of original size [2021-11-07 01:24:44,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:24:44,506 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:44,506 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:24:44,514 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:24:44,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:24:44,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:24:44,524 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:24:44,561 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:24:44,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:24:44,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,568 INFO L185 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-11-07 01:24:44,569 INFO L185 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-11-07 01:24:44,570 INFO L180 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-11-07 01:24:44,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:24:44,571 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:24:44,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,576 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-07 01:24:44,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 01:24:44,578 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:44,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:82 [2021-11-07 01:24:44,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,610 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:24:44,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:24:44,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:24:44,662 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:24:44,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:24:44,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,670 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:24:44,672 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:24:44,674 INFO L180 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size [2021-11-07 01:24:44,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:24:44,675 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:24:44,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:24:44,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:44,684 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:107 [2021-11-07 01:24:44,690 INFO L180 QuantifierPusher]: treesize reduction 49, result has 59.8 percent of original size [2021-11-07 01:24:44,692 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:24:44,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:24:44,705 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:24:44,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:24:44,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:24:44,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:44,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 01:24:44,712 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:44,713 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:62 [2021-11-07 01:24:44,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:24:44,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:24:44,725 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:24:44,744 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-07 01:24:44,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 33 [2021-11-07 01:24:44,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:24:44,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:24:44,748 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:44,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,752 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-07 01:24:44,761 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:44,761 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:116 [2021-11-07 01:24:44,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,789 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:24:44,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:24:44,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:24:44,844 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:24:44,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:24:44,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:44,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,852 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:24:44,853 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:24:44,855 INFO L180 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-11-07 01:24:44,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:24:44,856 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:24:44,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:44,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:44,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:24:44,864 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:44,864 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:24:44,875 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:24:45,679 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:24:45,679 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:24:45,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-11-07 01:24:45,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466841519] [2021-11-07 01:24:45,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 01:24:45,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:24:45,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 01:24:45,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:24:45,682 INFO L87 Difference]: Start difference. First operand 18 states and 24 transitions. Second operand has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:45,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:24:45,847 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2021-11-07 01:24:45,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:24:45,848 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-07 01:24:45,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:24:45,849 INFO L225 Difference]: With dead ends: 41 [2021-11-07 01:24:45,849 INFO L226 Difference]: Without dead ends: 25 [2021-11-07 01:24:45,849 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:24:45,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-07 01:24:45,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 18. [2021-11-07 01:24:45,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states 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 01:24:45,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-11-07 01:24:45,855 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2021-11-07 01:24:45,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:24:45,856 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-11-07 01:24:45,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:45,856 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-07 01:24:45,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:24:45,857 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:24:45,857 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:24:45,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:24:46,070 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:24:46,070 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:24:46,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:24:46,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1482649795, now seen corresponding path program 3 times [2021-11-07 01:24:46,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:24:46,071 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093985360] [2021-11-07 01:24:46,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:46,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:24:46,107 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:24:46,108 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [191876495] [2021-11-07 01:24:46,108 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:24:46,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:24:46,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:24:46,109 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:24:46,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 01:24:46,209 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:24:46,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:24:46,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:24:46,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:24:46,292 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:24:46,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:24:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:24:46,359 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:24:46,359 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093985360] [2021-11-07 01:24:46,359 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:24:46,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191876495] [2021-11-07 01:24:46,360 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191876495] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:24:46,360 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [123761712] [2021-11-07 01:24:46,376 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:24:46,376 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:24:46,377 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:24:46,377 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:24:46,377 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:24:46,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,386 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:46,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:24:46,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:46,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:24:46,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-07 01:24:46,401 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|], 21=[|v_#valid_27|]} [2021-11-07 01:24:46,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,414 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:24:46,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:24:46,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:24:46,416 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:46,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:46,422 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:24:46,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:24:46,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:24:46,447 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:46,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:46,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:24:46,456 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:46,457 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:176, output treesize:151 [2021-11-07 01:24:46,466 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-07 01:24:46,468 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:46,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:24:46,470 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:46,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:24:46,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:46,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:24:46,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-07 01:24:46,487 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_24|], 28=[|v_#valid_28|]} [2021-11-07 01:24:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,592 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:24:46,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:24:46,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:24:46,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:24:46,597 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:46,606 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:24:46,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:24:46,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:24:46,608 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:46,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:46,620 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:24:46,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:24:46,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:24:46,661 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:46,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:46,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 100 [2021-11-07 01:24:46,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:24:46,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:24:46,707 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:46,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:46,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-07 01:24:46,723 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:46,723 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:464, output treesize:216 [2021-11-07 01:24:46,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:46,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:24:46,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-07 01:24:46,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:46,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2021-11-07 01:24:46,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-07 01:24:46,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-07 01:24:46,808 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:46,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:46,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-07 01:24:46,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:46,830 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:227, output treesize:223 [2021-11-07 01:24:46,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:46,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:46,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:46,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,969 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:46,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:46,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:24:46,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:46,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:46,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:24:46,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 480 [2021-11-07 01:24:46,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:46,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 461 [2021-11-07 01:24:47,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 543 [2021-11-07 01:24:47,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,136 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:24:47,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:24:47,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:24:47,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:47,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:47,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 125 [2021-11-07 01:24:47,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:24:47,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:24:47,229 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:47,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,323 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,363 INFO L180 QuantifierPusher]: treesize reduction 126, result has 79.9 percent of original size [2021-11-07 01:24:47,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 502 [2021-11-07 01:24:47,377 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:24:47,377 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:636, output treesize:502 [2021-11-07 01:24:47,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,495 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:24:47,497 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:47,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:24:47,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:24:47,506 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:24:47,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:24:47,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:24:47,509 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:47,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,512 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:24:47,515 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:47,516 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:24:47,523 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:24:47,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:24:47,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:47,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:24:47,537 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:24:47,570 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:24:47,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:24:47,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:47,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,578 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:24:47,579 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:24:47,580 INFO L180 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size [2021-11-07 01:24:47,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:24:47,581 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:24:47,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,588 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-07 01:24:47,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 01:24:47,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:47,590 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:82 [2021-11-07 01:24:47,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,628 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:24:47,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:47,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:24:47,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:24:47,681 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:24:47,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:24:47,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:47,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,689 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:24:47,690 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:24:47,692 INFO L180 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-11-07 01:24:47,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:24:47,693 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:24:47,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,699 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:24:47,702 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:47,703 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:24:47,711 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:24:47,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:24:47,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:47,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:24:47,719 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:24:47,750 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:24:47,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:24:47,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:47,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:24:47,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:24:47,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:24:47,760 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:24:47,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,767 INFO L628 ElimStorePlain]: treesize reduction 24, result has 75.0 percent of original size [2021-11-07 01:24:47,769 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:24:47,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:24:47,793 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:47,794 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:24:47,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,824 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:24:47,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:47,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:24:47,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:24:47,874 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:24:47,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:24:47,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:47,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,882 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:24:47,884 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:24:47,885 INFO L180 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size [2021-11-07 01:24:47,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:24:47,886 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:24:47,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:24:47,894 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:47,894 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:107 [2021-11-07 01:24:47,901 INFO L180 QuantifierPusher]: treesize reduction 49, result has 59.8 percent of original size [2021-11-07 01:24:47,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:47,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:24:47,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:24:47,911 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:24:47,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:24:47,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:24:47,913 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:47,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 01:24:47,919 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:47,919 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:62 [2021-11-07 01:24:47,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:47,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:24:47,926 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.6 percent of original size 85 [2021-11-07 01:24:47,953 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:24:47,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 28 [2021-11-07 01:24:47,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:24:47,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:24:47,957 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:47,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,961 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:47,963 INFO L180 QuantifierPusher]: treesize reduction 13, result has 86.6 percent of original size [2021-11-07 01:24:47,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:24:47,966 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:47,966 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:24:47,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:47,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:48,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:24:48,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:24:48,023 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:24:48,050 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:24:48,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:24:48,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:48,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 01:24:48,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 01:24:48,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 01:24:48,060 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:24:48,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:48,073 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-07 01:24:48,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:24:48,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:24:48,075 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:48,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:48,090 INFO L628 ElimStorePlain]: treesize reduction 34, result has 87.5 percent of original size [2021-11-07 01:24:48,097 INFO L180 QuantifierPusher]: treesize reduction 102, result has 57.0 percent of original size [2021-11-07 01:24:48,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:24:48,100 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:24:48,101 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:279, output treesize:135 [2021-11-07 01:24:48,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:48,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:48,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:48,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:48,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:48,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:48,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:48,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:48,135 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:24:48,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:48,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:24:48,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:24:48,179 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:24:48,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:24:48,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:48,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:24:48,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:24:48,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:24:48,198 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:24:48,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:48,202 INFO L628 ElimStorePlain]: treesize reduction 42, result has 66.7 percent of original size [2021-11-07 01:24:48,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:48,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:24:48,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:48,206 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:24:48,216 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:24:48,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:24:48,985 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:24:48,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-11-07 01:24:48,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363334299] [2021-11-07 01:24:48,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 01:24:48,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:24:48,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 01:24:48,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:24:48,988 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:49,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:24:49,140 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2021-11-07 01:24:49,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:24:49,141 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-07 01:24:49,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:24:49,142 INFO L225 Difference]: With dead ends: 22 [2021-11-07 01:24:49,142 INFO L226 Difference]: Without dead ends: 17 [2021-11-07 01:24:49,143 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:24:49,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-07 01:24:49,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-07 01:24:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-11-07 01:24:49,149 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 14 [2021-11-07 01:24:49,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:24:49,150 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-07 01:24:49,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 9 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2021-11-07 01:24:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:24:49,151 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:24:49,151 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:24:49,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:24:49,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable99 [2021-11-07 01:24:49,370 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:24:49,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:24:49,371 INFO L85 PathProgramCache]: Analyzing trace with hash 664323303, now seen corresponding path program 4 times [2021-11-07 01:24:49,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:24:49,371 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427273262] [2021-11-07 01:24:49,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:49,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:24:49,393 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:24:49,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [88857175] [2021-11-07 01:24:49,394 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:24:49,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:24:49,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:24:49,395 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:24:49,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 01:24:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:24:49,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-07 01:24:49,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:24:49,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:24:49,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:24:49,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-07 01:24:49,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:49,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:24:49,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:49,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 35 [2021-11-07 01:24:49,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:49,868 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-11-07 01:24:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:50,025 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:24:50,026 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 42 [2021-11-07 01:24:50,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:50,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 39 [2021-11-07 01:24:50,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:50,186 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 39 [2021-11-07 01:24:50,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:50,276 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:24:50,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 44 [2021-11-07 01:24:50,379 INFO L354 Elim1Store]: treesize reduction 76, result has 16.5 percent of original size [2021-11-07 01:24:50,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 41 [2021-11-07 01:24:50,506 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:24:50,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 83 treesize of output 55 [2021-11-07 01:24:50,539 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:24:50,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:25:02,833 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:02,834 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:02,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427273262] [2021-11-07 01:25:02,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:25:02,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88857175] [2021-11-07 01:25:02,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88857175] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:25:02,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1483098800] [2021-11-07 01:25:02,836 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:25:02,836 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:25:02,837 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:25:02,837 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:25:02,837 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:25:02,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:02,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:02,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:02,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:25:02,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-07 01:25:02,850 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_26|], 21=[|v_#valid_31|]} [2021-11-07 01:25:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:25:02,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:02,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:02,865 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:02,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:02,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:25:02,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:02,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:02,898 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:02,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:02,903 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:25:02,907 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:02,907 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:176, output treesize:151 [2021-11-07 01:25:02,914 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-07 01:25:02,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:02,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:25:02,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:02,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:25:02,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:02,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:25:02,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-07 01:25:02,928 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_27|], 28=[|v_#valid_32|]} [2021-11-07 01:25:02,937 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:25:02,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:02,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:02,939 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:02,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:02,982 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:25:02,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:25:02,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:25:02,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:02,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:25:02,991 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:02,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,000 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:25:03,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:25:03,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:25:03,055 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:03,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,065 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 100 [2021-11-07 01:25:03,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:25:03,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:25:03,106 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:03,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-07 01:25:03,123 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:03,123 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:464, output treesize:216 [2021-11-07 01:25:03,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:25:03,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-07 01:25:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2021-11-07 01:25:03,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-07 01:25:03,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-07 01:25:03,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:03,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-07 01:25:03,199 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:03,199 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:227, output treesize:223 [2021-11-07 01:25:03,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:25:03,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:25:03,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 480 [2021-11-07 01:25:03,327 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 461 [2021-11-07 01:25:03,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 543 [2021-11-07 01:25:03,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 125 [2021-11-07 01:25:03,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:25:03,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:25:03,478 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:03,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:03,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:25:03,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:25:03,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:25:03,543 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:03,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,609 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,630 INFO L180 QuantifierPusher]: treesize reduction 126, result has 79.9 percent of original size [2021-11-07 01:25:03,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 502 [2021-11-07 01:25:03,638 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:25:03,639 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:636, output treesize:502 [2021-11-07 01:25:03,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,732 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:25:03,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:03,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:25:03,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:25:03,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:03,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:03,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:03,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,746 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:25:03,749 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:03,749 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:25:03,755 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:25:03,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:25:03,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:03,762 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:25:03,794 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:25:03,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:25:03,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,800 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:25:03,801 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:25:03,801 INFO L180 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size [2021-11-07 01:25:03,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:25:03,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:25:03,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,806 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,808 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-07 01:25:03,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 01:25:03,809 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:03,810 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:82 [2021-11-07 01:25:03,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,834 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:25:03,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:25:03,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:25:03,885 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:25:03,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:25:03,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:25:03,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:25:03,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:25:03,896 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:25:03,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,900 INFO L628 ElimStorePlain]: treesize reduction 42, result has 66.7 percent of original size [2021-11-07 01:25:03,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:25:03,903 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:03,903 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:25:03,909 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:25:03,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:25:03,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:25:03,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:25:03,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:25:03,950 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:25:03,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 34 [2021-11-07 01:25:03,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:25:03,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:25:03,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:25:03,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:25:03,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,963 INFO L628 ElimStorePlain]: treesize reduction 36, result has 68.7 percent of original size [2021-11-07 01:25:03,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:25:03,966 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:03,966 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:79 [2021-11-07 01:25:03,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:03,991 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:25:03,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:03,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:03,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:25:03,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:25:04,043 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:25:04,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:25:04,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:04,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,049 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:25:04,050 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:25:04,051 INFO L180 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size [2021-11-07 01:25:04,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:25:04,052 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:25:04,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:04,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:25:04,059 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:04,059 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:107 [2021-11-07 01:25:04,065 INFO L180 QuantifierPusher]: treesize reduction 49, result has 59.8 percent of original size [2021-11-07 01:25:04,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:04,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:25:04,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:25:04,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:25:04,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:25:04,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:25:04,086 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:04,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:04,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 01:25:04,091 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:04,091 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:62 [2021-11-07 01:25:04,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:04,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:25:04,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:25:04,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:25:04,125 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-07 01:25:04,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 33 [2021-11-07 01:25:04,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:25:04,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:25:04,128 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:04,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:04,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-07 01:25:04,134 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:04,134 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:116 [2021-11-07 01:25:04,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:04,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:04,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:04,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:04,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:04,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:04,160 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:25:04,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:04,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:25:04,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:25:04,207 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:25:04,208 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:25:04,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,211 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:04,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:25:04,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:25:04,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:25:04,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:25:04,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:04,222 INFO L628 ElimStorePlain]: treesize reduction 41, result has 67.2 percent of original size [2021-11-07 01:25:04,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:04,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:25:04,225 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:04,226 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:25:04,233 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:25:05,493 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:25:05,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:25:05,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2021-11-07 01:25:05,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165305689] [2021-11-07 01:25:05,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2021-11-07 01:25:05,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:05,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-11-07 01:25:05,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=837, Unknown=0, NotChecked=0, Total=930 [2021-11-07 01:25:05,495 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 27 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 27 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 01:25:12,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:12,141 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2021-11-07 01:25:12,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-07 01:25:12,142 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 27 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 16 [2021-11-07 01:25:12,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:12,143 INFO L225 Difference]: With dead ends: 44 [2021-11-07 01:25:12,143 INFO L226 Difference]: Without dead ends: 37 [2021-11-07 01:25:12,144 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=143, Invalid=1263, Unknown=0, NotChecked=0, Total=1406 [2021-11-07 01:25:12,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-11-07 01:25:12,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 25. [2021-11-07 01:25:12,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states 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 01:25:12,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2021-11-07 01:25:12,152 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 16 [2021-11-07 01:25:12,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:12,152 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-11-07 01:25:12,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 27 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 01:25:12,153 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2021-11-07 01:25:12,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:25:12,153 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:12,154 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:12,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:25:12,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable153 [2021-11-07 01:25:12,355 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:25:12,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:12,355 INFO L85 PathProgramCache]: Analyzing trace with hash 223428305, now seen corresponding path program 5 times [2021-11-07 01:25:12,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:12,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015419410] [2021-11-07 01:25:12,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:12,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:12,393 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:25:12,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [922787976] [2021-11-07 01:25:12,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:25:12,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:12,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:25:12,411 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:25:12,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 01:25:12,592 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:25:12,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:25:12,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:25:12,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:25:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:25:12,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:25:12,758 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:25:12,758 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:12,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015419410] [2021-11-07 01:25:12,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:25:12,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922787976] [2021-11-07 01:25:12,758 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922787976] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:25:12,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1363532998] [2021-11-07 01:25:12,761 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:25:12,761 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:25:12,761 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:25:12,761 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:25:12,762 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:25:12,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:12,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:12,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:12,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:25:12,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-07 01:25:12,773 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_29|], 21=[|v_#valid_34|]} [2021-11-07 01:25:12,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,782 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:25:12,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:12,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:12,784 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:12,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:12,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:25:12,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:12,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:12,811 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:12,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:12,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:25:12,817 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:12,817 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:176, output treesize:151 [2021-11-07 01:25:12,822 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-07 01:25:12,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:12,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:25:12,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:12,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:25:12,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:12,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:25:12,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-07 01:25:12,839 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_30|], 28=[|v_#valid_35|]} [2021-11-07 01:25:12,846 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:25:12,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:12,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:12,847 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:12,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,883 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:25:12,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:25:12,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:25:12,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:25:12,892 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:12,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:12,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,930 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:25:12,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:25:12,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:25:12,934 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:12,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:12,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:12,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 100 [2021-11-07 01:25:12,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:25:12,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:25:12,987 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:12,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:12,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:12,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-07 01:25:13,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,018 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:464, output treesize:216 [2021-11-07 01:25:13,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:25:13,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-07 01:25:13,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:25:13,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:25:13,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:25:13,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-11-07 01:25:13,092 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,093 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:239, output treesize:235 [2021-11-07 01:25:13,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,191 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:25:13,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:25:13,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 490 [2021-11-07 01:25:13,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 471 [2021-11-07 01:25:13,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 553 [2021-11-07 01:25:13,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:25:13,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:25:13,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:25:13,335 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:13,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 130 [2021-11-07 01:25:13,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:25:13,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:25:13,406 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,487 INFO L180 QuantifierPusher]: treesize reduction 131, result has 79.5 percent of original size [2021-11-07 01:25:13,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 507 [2021-11-07 01:25:13,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:25:13,496 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:646, output treesize:507 [2021-11-07 01:25:13,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,587 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:25:13,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:13,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:25:13,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:25:13,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:13,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:13,598 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:25:13,603 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,603 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:25:13,609 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:25:13,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:25:13,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,614 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:25:13,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:25:13,623 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:25:13,649 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:25:13,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:25:13,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:25:13,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:25:13,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:25:13,657 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:25:13,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,661 INFO L628 ElimStorePlain]: treesize reduction 31, result has 70.5 percent of original size [2021-11-07 01:25:13,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 01:25:13,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,664 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:74 [2021-11-07 01:25:13,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,683 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:25:13,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:25:13,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:25:13,733 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:25:13,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:25:13,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:25:13,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:25:13,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:25:13,745 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:25:13,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,751 INFO L628 ElimStorePlain]: treesize reduction 42, result has 66.7 percent of original size [2021-11-07 01:25:13,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:25:13,754 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,754 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:25:13,759 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:25:13,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:25:13,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:25:13,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:25:13,772 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:25:13,798 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:25:13,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 34 [2021-11-07 01:25:13,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,801 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:25:13,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:25:13,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-07 01:25:13,807 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:25:13,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,810 INFO L628 ElimStorePlain]: treesize reduction 36, result has 68.7 percent of original size [2021-11-07 01:25:13,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:25:13,813 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,813 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:79 [2021-11-07 01:25:13,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,833 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:25:13,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:25:13,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:25:13,883 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:25:13,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:25:13,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:25:13,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:25:13,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:25:13,895 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:25:13,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,898 INFO L628 ElimStorePlain]: treesize reduction 47, result has 65.4 percent of original size [2021-11-07 01:25:13,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:25:13,901 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,901 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:89 [2021-11-07 01:25:13,907 INFO L180 QuantifierPusher]: treesize reduction 49, result has 59.8 percent of original size [2021-11-07 01:25:13,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:25:13,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:25:13,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:25:13,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:25:13,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:25:13,917 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,919 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 01:25:13,921 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,922 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:62 [2021-11-07 01:25:13,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:25:13,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:25:13,934 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:25:13,955 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-07 01:25:13,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 33 [2021-11-07 01:25:13,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:25:13,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:25:13,959 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,962 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-07 01:25:13,965 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:13,965 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:116 [2021-11-07 01:25:13,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:13,987 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:25:13,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:13,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:13,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:25:13,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:25:14,043 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:25:14,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:25:14,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:14,048 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:14,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:14,051 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:25:14,052 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:25:14,053 INFO L180 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-11-07 01:25:14,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:25:14,054 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:25:14,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:14,057 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:14,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:14,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:25:14,060 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:14,060 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:25:14,069 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:25:14,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:25:14,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:25:14,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-11-07 01:25:14,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347016913] [2021-11-07 01:25:14,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 01:25:14,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:14,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 01:25:14,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:25:14,678 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. Second operand has 12 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 01:25:14,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:14,859 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-11-07 01:25:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:25:14,859 INFO L78 Accepts]: Start accepts. Automaton has has 12 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) Word has length 17 [2021-11-07 01:25:14,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:14,860 INFO L225 Difference]: With dead ends: 41 [2021-11-07 01:25:14,860 INFO L226 Difference]: Without dead ends: 32 [2021-11-07 01:25:14,861 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:25:14,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-07 01:25:14,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27. [2021-11-07 01:25:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:14,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 33 transitions. [2021-11-07 01:25:14,869 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 33 transitions. Word has length 17 [2021-11-07 01:25:14,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:14,870 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 33 transitions. [2021-11-07 01:25:14,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 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 01:25:14,870 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2021-11-07 01:25:14,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:25:14,871 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:14,871 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:14,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:25:15,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:15,090 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:25:15,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:15,091 INFO L85 PathProgramCache]: Analyzing trace with hash -881119672, now seen corresponding path program 6 times [2021-11-07 01:25:15,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:15,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211733720] [2021-11-07 01:25:15,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:15,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:15,116 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:25:15,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2040875119] [2021-11-07 01:25:15,130 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:25:15,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:15,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:25:15,131 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:25:15,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 01:25:15,252 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:25:15,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:25:15,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:25:15,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:25:15,353 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:25:15,353 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:25:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:25:15,429 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:15,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211733720] [2021-11-07 01:25:15,429 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:25:15,429 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040875119] [2021-11-07 01:25:15,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040875119] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:25:15,430 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1879001996] [2021-11-07 01:25:15,432 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:25:15,432 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:25:15,432 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:25:15,432 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:25:15,432 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:25:15,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,439 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:15,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:15,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:15,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:25:15,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-07 01:25:15,444 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_31|], 21=[|v_#valid_36|]} [2021-11-07 01:25:15,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:25:15,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:15,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:15,459 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:15,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:15,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:25:15,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:15,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:15,488 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:15,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:15,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:25:15,496 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:15,496 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:176, output treesize:151 [2021-11-07 01:25:15,504 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-07 01:25:15,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:15,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:25:15,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:15,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:25:15,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:15,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:25:15,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-07 01:25:15,518 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_32|], 28=[|v_#valid_37|]} [2021-11-07 01:25:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,576 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:25:15,576 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:25:15,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:25:15,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:25:15,579 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:15,598 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:25:15,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:15,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:15,600 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:15,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:15,607 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:25:15,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:25:15,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:25:15,664 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:15,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:15,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 100 [2021-11-07 01:25:15,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:25:15,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:25:15,709 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:15,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:15,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-07 01:25:15,724 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:15,724 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:464, output treesize:216 [2021-11-07 01:25:15,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:15,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:25:15,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-07 01:25:15,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:25:15,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:25:15,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:25:15,807 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:15,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:15,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-11-07 01:25:15,819 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:15,819 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:239, output treesize:235 [2021-11-07 01:25:15,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:15,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:15,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:15,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:15,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:15,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:25:15,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:15,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:25:15,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 490 [2021-11-07 01:25:15,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:15,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:15,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 471 [2021-11-07 01:25:15,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 553 [2021-11-07 01:25:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:15,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 130 [2021-11-07 01:25:16,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:25:16,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:25:16,040 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:16,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:25:16,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:25:16,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:25:16,112 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,167 INFO L180 QuantifierPusher]: treesize reduction 131, result has 79.5 percent of original size [2021-11-07 01:25:16,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 507 [2021-11-07 01:25:16,174 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:25:16,175 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:646, output treesize:507 [2021-11-07 01:25:16,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,262 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:25:16,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:16,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:25:16,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:25:16,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:16,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:16,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:25:16,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,277 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:25:16,282 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:25:16,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:25:16,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:16,288 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:25:16,322 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:25:16,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:25:16,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,325 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:25:16,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:25:16,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:25:16,330 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:25:16,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,333 INFO L628 ElimStorePlain]: treesize reduction 18, result has 80.0 percent of original size [2021-11-07 01:25:16,335 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:25:16,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:25:16,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,336 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:25:16,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,355 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:25:16,356 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:25:16,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:25:16,403 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:25:16,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:25:16,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,409 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:25:16,410 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:25:16,411 INFO L180 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-11-07 01:25:16,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:25:16,412 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:25:16,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:25:16,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,418 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:25:16,423 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:25:16,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:25:16,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,428 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:25:16,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:25:16,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:25:16,461 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:25:16,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 34 [2021-11-07 01:25:16,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,466 INFO L185 QuantifierPusher]: treesize reduction 17, result has 68.5 percent of original size 37 [2021-11-07 01:25:16,467 INFO L185 QuantifierPusher]: treesize reduction 17, result has 68.5 percent of original size 37 [2021-11-07 01:25:16,467 INFO L180 QuantifierPusher]: treesize reduction 17, result has 68.5 percent of original size [2021-11-07 01:25:16,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:25:16,468 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:25:16,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:25:16,474 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,474 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:99 [2021-11-07 01:25:16,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,495 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:25:16,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:25:16,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:25:16,544 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:25:16,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:25:16,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,551 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:25:16,552 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:25:16,553 INFO L180 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size [2021-11-07 01:25:16,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:25:16,554 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:25:16,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,557 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:25:16,560 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,560 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:107 [2021-11-07 01:25:16,565 INFO L180 QuantifierPusher]: treesize reduction 49, result has 59.8 percent of original size [2021-11-07 01:25:16,566 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:25:16,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:25:16,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:25:16,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:25:16,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:25:16,576 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 01:25:16,580 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,580 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:62 [2021-11-07 01:25:16,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:25:16,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:25:16,614 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:25:16,634 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-07 01:25:16,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 33 [2021-11-07 01:25:16,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:25:16,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:25:16,638 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,643 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:25:16,644 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,644 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:95 [2021-11-07 01:25:16,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,666 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:25:16,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:25:16,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:25:16,716 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:25:16,717 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:25:16,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:16,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,724 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:25:16,724 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:25:16,725 INFO L180 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-11-07 01:25:16,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:25:16,726 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:25:16,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:16,728 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:16,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:25:16,731 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:16,731 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:25:16,748 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:25:17,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:25:17,501 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:25:17,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2021-11-07 01:25:17,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702860465] [2021-11-07 01:25:17,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-07 01:25:17,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:17,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-07 01:25:17,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:25:17,503 INFO L87 Difference]: Start difference. First operand 27 states and 33 transitions. Second operand has 12 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 01:25:17,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:17,644 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2021-11-07 01:25:17,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:25:17,645 INFO L78 Accepts]: Start accepts. Automaton has has 12 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) Word has length 17 [2021-11-07 01:25:17,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:17,645 INFO L225 Difference]: With dead ends: 42 [2021-11-07 01:25:17,645 INFO L226 Difference]: Without dead ends: 21 [2021-11-07 01:25:17,646 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:25:17,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-07 01:25:17,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-07 01:25:17,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:17,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2021-11-07 01:25:17,652 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 17 [2021-11-07 01:25:17,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:17,653 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2021-11-07 01:25:17,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 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 01:25:17,653 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2021-11-07 01:25:17,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 01:25:17,653 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:17,654 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:17,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:25:17,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable241,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:17,868 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:25:17,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:17,868 INFO L85 PathProgramCache]: Analyzing trace with hash 449636693, now seen corresponding path program 7 times [2021-11-07 01:25:17,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:17,869 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267428997] [2021-11-07 01:25:17,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:17,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:17,897 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:25:17,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1353244026] [2021-11-07 01:25:17,902 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:25:17,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:17,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:25:17,903 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:25:17,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 01:25:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:18,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-07 01:25:18,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:25:18,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:25:18,122 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:25:18,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-07 01:25:18,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2021-11-07 01:25:18,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-11-07 01:25:18,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,359 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:25:18,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2021-11-07 01:25:18,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,426 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:25:18,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 55 [2021-11-07 01:25:18,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 51 [2021-11-07 01:25:18,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 50 [2021-11-07 01:25:18,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:25:18,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,725 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 56 [2021-11-07 01:25:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 47 [2021-11-07 01:25:18,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2021-11-07 01:25:18,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:25:18,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:18,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 52 [2021-11-07 01:25:19,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:19,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:25:19,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:19,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:19,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 55 [2021-11-07 01:25:19,158 INFO L354 Elim1Store]: treesize reduction 114, result has 16.2 percent of original size [2021-11-07 01:25:19,158 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 60 treesize of output 49 [2021-11-07 01:25:19,263 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-07 01:25:19,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 80 treesize of output 52 [2021-11-07 01:25:19,311 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:19,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:26:52,187 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:26:52,187 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:26:52,187 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267428997] [2021-11-07 01:26:52,188 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:26:52,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353244026] [2021-11-07 01:26:52,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353244026] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:26:52,188 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [995954758] [2021-11-07 01:26:52,191 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:26:52,191 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:26:52,191 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:26:52,192 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:26:52,192 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:26:52,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:52,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:26:52,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:52,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:26:52,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-07 01:26:52,206 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_34|], 21=[|v_#valid_40|]} [2021-11-07 01:26:52,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:26:52,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:26:52,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:26:52,224 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:26:52,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:52,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:26:52,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:26:52,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:26:52,260 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:26:52,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:52,264 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:26:52,268 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:26:52,268 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:176, output treesize:151 [2021-11-07 01:26:52,277 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-07 01:26:52,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:52,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:26:52,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:52,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:26:52,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:52,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:26:52,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-07 01:26:52,290 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_35|], 28=[|v_#valid_41|]} [2021-11-07 01:26:52,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,480 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:26:52,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:26:52,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:26:52,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:26:52,484 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:26:52,492 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:26:52,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:26:52,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:26:52,494 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:26:52,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:52,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:26:52,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:26:52,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:26:52,541 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:26:52,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:52,547 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 100 [2021-11-07 01:26:52,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:26:52,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:26:52,585 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:26:52,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:52,593 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-07 01:26:52,601 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:26:52,601 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:464, output treesize:216 [2021-11-07 01:26:52,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,608 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:52,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:26:52,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-07 01:26:52,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2021-11-07 01:26:52,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-07 01:26:52,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-07 01:26:52,664 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:26:52,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:52,672 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-07 01:26:52,678 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:26:52,678 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:227, output treesize:223 [2021-11-07 01:26:52,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:52,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:52,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:52,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:52,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:52,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:26:52,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:52,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:26:52,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 480 [2021-11-07 01:26:52,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:52,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 461 [2021-11-07 01:26:52,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 543 [2021-11-07 01:26:52,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:26:52,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:26:52,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:52,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:26:52,975 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:26:52,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:52,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:26:53,045 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 125 [2021-11-07 01:26:53,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:26:53,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:26:53,052 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:26:53,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,113 INFO L180 QuantifierPusher]: treesize reduction 126, result has 79.9 percent of original size [2021-11-07 01:26:53,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 502 [2021-11-07 01:26:53,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:26:53,123 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:636, output treesize:502 [2021-11-07 01:26:53,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,221 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:26:53,222 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:26:53,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:26:53,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 01:26:53,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:26:53,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:26:53,233 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:26:53,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,235 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:26:53,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:26:53,238 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:26:53,244 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:26:53,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:26:53,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:26:53,253 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:26:53,313 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:26:53,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:26:53,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:26:53,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:26:53,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:26:53,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:26:53,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,326 INFO L628 ElimStorePlain]: treesize reduction 24, result has 75.0 percent of original size [2021-11-07 01:26:53,327 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:26:53,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:26:53,329 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:26:53,329 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:26:53,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,353 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:26:53,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:26:53,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:26:53,412 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:26:53,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:26:53,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,418 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:26:53,420 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:26:53,421 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:26:53,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:26:53,422 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:26:53,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,425 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:26:53,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:26:53,428 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:26:53,435 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:26:53,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:26:53,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:26:53,443 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:26:53,482 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:26:53,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:26:53,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,485 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,488 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:26:53,489 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:26:53,490 INFO L180 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size [2021-11-07 01:26:53,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:26:53,491 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:26:53,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,496 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-07 01:26:53,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 01:26:53,498 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:26:53,498 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:82 [2021-11-07 01:26:53,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,524 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:26:53,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:26:53,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:26:53,578 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:26:53,578 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:26:53,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,582 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:26:53,583 INFO L185 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size 47 [2021-11-07 01:26:53,584 INFO L180 QuantifierPusher]: treesize reduction 26, result has 64.4 percent of original size [2021-11-07 01:26:53,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:26:53,585 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:26:53,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:26:53,598 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:26:53,598 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:107 [2021-11-07 01:26:53,603 INFO L180 QuantifierPusher]: treesize reduction 49, result has 59.8 percent of original size [2021-11-07 01:26:53,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:26:53,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:26:53,615 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:26:53,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:26:53,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:26:53,617 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:26:53,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,620 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 01:26:53,622 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:26:53,623 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:62 [2021-11-07 01:26:53,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,626 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:26:53,629 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.6 percent of original size 85 [2021-11-07 01:26:53,658 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:26:53,659 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 28 [2021-11-07 01:26:53,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:26:53,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:26:53,663 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:26:53,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,668 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size [2021-11-07 01:26:53,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-11-07 01:26:53,670 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:26:53,670 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:78 [2021-11-07 01:26:53,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,692 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:26:53,693 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:26:53,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:26:53,749 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:26:53,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:26:53,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:26:53,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:26:53,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:26:53,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:26:53,760 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:26:53,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:26:53,764 INFO L628 ElimStorePlain]: treesize reduction 33, result has 71.8 percent of original size [2021-11-07 01:26:53,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:26:53,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:26:53,768 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:26:53,768 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:26:53,777 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:26:56,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:26:56,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:26:56,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 35 [2021-11-07 01:26:56,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542551261] [2021-11-07 01:26:56,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-07 01:26:56,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:26:56,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-07 01:26:56,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1347, Unknown=15, NotChecked=0, Total=1482 [2021-11-07 01:26:56,335 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 35 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 35 states have internal predecessors, (37), 0 states have call successors, (0), 0 states 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 01:28:20,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:28:20,350 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2021-11-07 01:28:20,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 01:28:20,371 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 35 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-11-07 01:28:20,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:28:20,372 INFO L225 Difference]: With dead ends: 53 [2021-11-07 01:28:20,372 INFO L226 Difference]: Without dead ends: 45 [2021-11-07 01:28:20,373 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 150.3s TimeCoverageRelationStatistics Valid=183, Invalid=1958, Unknown=21, NotChecked=0, Total=2162 [2021-11-07 01:28:20,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-07 01:28:20,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2021-11-07 01:28:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 30 states have internal predecessors, (37), 0 states have call successors, (0), 0 states 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 01:28:20,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions. [2021-11-07 01:28:20,386 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 20 [2021-11-07 01:28:20,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:28:20,386 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions. [2021-11-07 01:28:20,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 35 states have internal predecessors, (37), 0 states have call successors, (0), 0 states 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 01:28:20,387 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2021-11-07 01:28:20,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 01:28:20,388 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:28:20,388 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:28:20,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:28:20,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:28:20,601 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:28:20,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:28:20,602 INFO L85 PathProgramCache]: Analyzing trace with hash 444751423, now seen corresponding path program 8 times [2021-11-07 01:28:20,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:28:20,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368598146] [2021-11-07 01:28:20,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:28:20,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:28:20,644 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:28:20,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [16749753] [2021-11-07 01:28:20,649 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:28:20,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:28:20,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:28:20,662 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:28:20,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 01:28:20,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:28:20,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:28:20,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:28:20,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:28:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:28:21,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:28:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:28:21,274 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:28:21,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368598146] [2021-11-07 01:28:21,274 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:28:21,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16749753] [2021-11-07 01:28:21,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16749753] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:28:21,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1091299008] [2021-11-07 01:28:21,277 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:28:21,277 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:28:21,277 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:28:21,277 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:28:21,277 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:28:21,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,284 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:21,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:28:21,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:21,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:28:21,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-07 01:28:21,291 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_37|], 21=[|v_#valid_43|]} [2021-11-07 01:28:21,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:28:21,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:28:21,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:28:21,310 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:21,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:21,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:28:21,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:28:21,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:28:21,354 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:21,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:21,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:28:21,363 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:21,363 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:176, output treesize:151 [2021-11-07 01:28:21,372 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-07 01:28:21,374 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:21,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:28:21,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:21,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:28:21,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:21,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:28:21,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-07 01:28:21,404 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_38|], 28=[|v_#valid_44|]} [2021-11-07 01:28:21,414 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:28:21,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:28:21,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:28:21,416 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:21,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,459 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:28:21,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:28:21,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:28:21,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:28:21,464 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:21,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:21,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:28:21,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:28:21,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:28:21,521 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:21,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:21,529 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 100 [2021-11-07 01:28:21,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:28:21,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:28:21,581 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:21,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:21,589 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-07 01:28:21,596 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:21,596 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:464, output treesize:216 [2021-11-07 01:28:21,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:21,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:28:21,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-07 01:28:21,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,665 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2021-11-07 01:28:21,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-07 01:28:21,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-07 01:28:21,672 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:21,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:21,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-07 01:28:21,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:21,686 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:227, output treesize:223 [2021-11-07 01:28:21,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:21,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:21,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:21,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:21,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:21,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:28:21,792 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:21,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:28:21,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 480 [2021-11-07 01:28:21,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:21,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 461 [2021-11-07 01:28:21,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 543 [2021-11-07 01:28:21,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,941 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 125 [2021-11-07 01:28:21,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:28:21,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:21,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:28:21,947 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:21,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:21,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:22,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:28:22,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:28:22,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:28:22,050 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,095 INFO L180 QuantifierPusher]: treesize reduction 126, result has 79.9 percent of original size [2021-11-07 01:28:22,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 502 [2021-11-07 01:28:22,100 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:28:22,101 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:636, output treesize:502 [2021-11-07 01:28:22,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,193 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:28:22,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:28:22,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:28:22,207 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:28:22,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:28:22,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:28:22,209 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,212 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:28:22,214 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,215 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:28:22,222 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:28:22,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:28:22,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:28:22,230 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:28:22,273 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:28:22,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:28:22,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:28:22,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:28:22,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:28:22,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:28:22,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,285 INFO L628 ElimStorePlain]: treesize reduction 25, result has 74.2 percent of original size [2021-11-07 01:28:22,287 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:28:22,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:28:22,289 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,289 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:28:22,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:28:22,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:28:22,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:22,342 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-07 01:28:22,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:28:22,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:28:22,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,358 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:28:22,392 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:28:22,393 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:28:22,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,398 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:28:22,400 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:28:22,401 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:28:22,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:28:22,402 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-11-07 01:28:22,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,416 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,422 INFO L180 QuantifierPusher]: treesize reduction 106, result has 59.1 percent of original size [2021-11-07 01:28:22,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 153 [2021-11-07 01:28:22,434 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:28:22,435 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:279, output treesize:153 [2021-11-07 01:28:22,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,482 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:28:22,484 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:28:22,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:28:22,550 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:28:22,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:28:22,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,557 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:28:22,558 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:28:22,559 INFO L180 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-11-07 01:28:22,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:28:22,560 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:28:22,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,563 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:28:22,566 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,567 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:28:22,574 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:28:22,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:28:22,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:28:22,582 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:28:22,628 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:28:22,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:28:22,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,636 INFO L185 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-11-07 01:28:22,636 INFO L185 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size 27 [2021-11-07 01:28:22,637 INFO L180 QuantifierPusher]: treesize reduction 4, result has 87.1 percent of original size [2021-11-07 01:28:22,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:28:22,638 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:28:22,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,643 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-07 01:28:22,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 01:28:22,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,645 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:82 [2021-11-07 01:28:22,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,674 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:28:22,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:28:22,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:28:22,726 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:28:22,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:28:22,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:28:22,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:28:22,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:28:22,735 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:28:22,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,740 INFO L628 ElimStorePlain]: treesize reduction 46, result has 65.9 percent of original size [2021-11-07 01:28:22,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:28:22,742 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,742 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:89 [2021-11-07 01:28:22,751 INFO L180 QuantifierPusher]: treesize reduction 49, result has 59.8 percent of original size [2021-11-07 01:28:22,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:28:22,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:28:22,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:28:22,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:28:22,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:28:22,764 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,767 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 01:28:22,769 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,770 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:62 [2021-11-07 01:28:22,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:28:22,776 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.6 percent of original size 85 [2021-11-07 01:28:22,809 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:28:22,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 28 [2021-11-07 01:28:22,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:28:22,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:28:22,813 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,818 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size [2021-11-07 01:28:22,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-11-07 01:28:22,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,820 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:78 [2021-11-07 01:28:22,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,849 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:28:22,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:28:22,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:28:22,906 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:28:22,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:28:22,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:28:22,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:28:22,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:28:22,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:28:22,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:22,932 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-07 01:28:22,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:28:22,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:28:22,936 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:22,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,952 INFO L628 ElimStorePlain]: treesize reduction 33, result has 87.8 percent of original size [2021-11-07 01:28:22,958 INFO L180 QuantifierPusher]: treesize reduction 102, result has 57.0 percent of original size [2021-11-07 01:28:22,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:28:22,961 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:28:22,961 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:279, output treesize:135 [2021-11-07 01:28:22,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:22,992 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:28:22,993 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:22,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:22,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:28:22,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:28:23,041 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:28:23,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:28:23,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:23,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:23,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:23,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:28:23,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:28:23,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:23,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:28:23,054 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:28:23,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:23,058 INFO L628 ElimStorePlain]: treesize reduction 34, result has 71.2 percent of original size [2021-11-07 01:28:23,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:23,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:28:23,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:23,061 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:28:23,067 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:28:23,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:28:23,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:28:23,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-11-07 01:28:23,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174809714] [2021-11-07 01:28:23,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 01:28:23,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:28:23,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 01:28:23,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:28:23,859 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states 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 01:28:24,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:28:24,211 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2021-11-07 01:28:24,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:28:24,213 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 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 21 [2021-11-07 01:28:24,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:28:24,213 INFO L225 Difference]: With dead ends: 51 [2021-11-07 01:28:24,214 INFO L226 Difference]: Without dead ends: 40 [2021-11-07 01:28:24,214 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:28:24,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-07 01:28:24,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 33. [2021-11-07 01:28:24,227 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 01:28:24,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2021-11-07 01:28:24,228 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 39 transitions. Word has length 21 [2021-11-07 01:28:24,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:28:24,228 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 39 transitions. [2021-11-07 01:28:24,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states 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 01:28:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2021-11-07 01:28:24,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-07 01:28:24,229 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:28:24,230 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:28:24,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:28:24,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable330 [2021-11-07 01:28:24,430 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:28:24,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:28:24,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1053530010, now seen corresponding path program 9 times [2021-11-07 01:28:24,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:28:24,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274547840] [2021-11-07 01:28:24,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:28:24,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:28:24,465 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:28:24,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [118470987] [2021-11-07 01:28:24,465 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:28:24,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:28:24,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:28:24,473 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:28:24,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 01:28:24,736 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:28:24,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:28:24,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:28:24,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:28:24,922 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:28:24,922 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:28:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:28:25,058 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:28:25,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274547840] [2021-11-07 01:28:25,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:28:25,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [118470987] [2021-11-07 01:28:25,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [118470987] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:28:25,059 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [920990229] [2021-11-07 01:28:25,060 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:28:25,061 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:28:25,061 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:28:25,061 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:28:25,062 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:28:25,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:25,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:28:25,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:25,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:28:25,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-07 01:28:25,089 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_39|], 21=[|v_#valid_45|]} [2021-11-07 01:28:25,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:28:25,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:28:25,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:28:25,108 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:25,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:25,112 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:28:25,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:28:25,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:28:25,148 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:25,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:25,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:28:25,156 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:25,157 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:176, output treesize:151 [2021-11-07 01:28:25,166 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-07 01:28:25,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:25,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:28:25,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:25,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:28:25,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:25,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:28:25,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-07 01:28:25,181 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_40|], 28=[|v_#valid_46|]} [2021-11-07 01:28:25,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,284 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:28:25,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:28:25,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:28:25,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:28:25,288 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:25,299 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:28:25,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:28:25,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:28:25,301 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:25,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:25,320 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:28:25,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:28:25,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:28:25,377 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:25,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:25,385 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 100 [2021-11-07 01:28:25,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:28:25,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:28:25,444 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:25,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:25,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-07 01:28:25,455 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:25,455 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:464, output treesize:216 [2021-11-07 01:28:25,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:25,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:28:25,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-07 01:28:25,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 110 [2021-11-07 01:28:25,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-07 01:28:25,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-11-07 01:28:25,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:25,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:25,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 223 [2021-11-07 01:28:25,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:25,548 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:227, output treesize:223 [2021-11-07 01:28:25,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:25,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:25,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:25,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:25,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:25,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:28:25,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:25,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:28:25,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 480 [2021-11-07 01:28:25,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:25,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 461 [2021-11-07 01:28:25,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 543 [2021-11-07 01:28:25,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,812 INFO L244 Elim1Store]: Index analysis took 108 ms [2021-11-07 01:28:25,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:28:25,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:28:25,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:28:25,839 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:25,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:25,916 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 125 [2021-11-07 01:28:25,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:28:25,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:28:25,928 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:25,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:25,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:25,970 INFO L180 QuantifierPusher]: treesize reduction 126, result has 79.9 percent of original size [2021-11-07 01:28:25,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 502 [2021-11-07 01:28:25,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:28:25,976 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:636, output treesize:502 [2021-11-07 01:28:25,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,062 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:28:26,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:28:26,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:28:26,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:28:26,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:28:26,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:28:26,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:26,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,078 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:28:26,081 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:26,081 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:28:26,088 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:28:26,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:28:26,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:28:26,096 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:28:26,143 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:28:26,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:28:26,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:28:26,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:28:26,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:28:26,152 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:28:26,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,156 INFO L628 ElimStorePlain]: treesize reduction 24, result has 75.0 percent of original size [2021-11-07 01:28:26,157 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:28:26,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:28:26,159 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:26,159 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:28:26,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,182 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:28:26,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:28:26,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:28:26,255 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:28:26,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:28:26,256 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,262 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:28:26,263 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:28:26,264 INFO L180 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-11-07 01:28:26,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:28:26,265 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:28:26,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,268 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:28:26,271 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:26,272 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:28:26,278 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:28:26,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:28:26,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,284 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:28:26,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:28:26,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:28:26,331 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:28:26,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 34 [2021-11-07 01:28:26,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,338 INFO L185 QuantifierPusher]: treesize reduction 17, result has 68.5 percent of original size 37 [2021-11-07 01:28:26,339 INFO L185 QuantifierPusher]: treesize reduction 17, result has 68.5 percent of original size 37 [2021-11-07 01:28:26,339 INFO L180 QuantifierPusher]: treesize reduction 17, result has 68.5 percent of original size [2021-11-07 01:28:26,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:28:26,340 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:28:26,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,343 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:28:26,347 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:26,347 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:99 [2021-11-07 01:28:26,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,368 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:28:26,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:28:26,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:28:26,425 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:28:26,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:28:26,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:28:26,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:28:26,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:28:26,432 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:28:26,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,435 INFO L628 ElimStorePlain]: treesize reduction 47, result has 65.4 percent of original size [2021-11-07 01:28:26,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:28:26,437 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:26,437 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:89 [2021-11-07 01:28:26,444 INFO L180 QuantifierPusher]: treesize reduction 49, result has 59.8 percent of original size [2021-11-07 01:28:26,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:28:26,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:28:26,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:28:26,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:28:26,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:28:26,456 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:26,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,457 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 01:28:26,459 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:26,459 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:62 [2021-11-07 01:28:26,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:28:26,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:28:26,484 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:28:26,515 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-07 01:28:26,516 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 33 [2021-11-07 01:28:26,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:28:26,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:28:26,519 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:28:26,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,522 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 90 [2021-11-07 01:28:26,525 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:26,526 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:90 [2021-11-07 01:28:26,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,547 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:28:26,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:28:26,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:28:26,601 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:28:26,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:28:26,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,604 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:28:26,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,617 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:28:26,619 INFO L185 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size 42 [2021-11-07 01:28:26,620 INFO L180 QuantifierPusher]: treesize reduction 13, result has 76.4 percent of original size [2021-11-07 01:28:26,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:28:26,621 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:28:26,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:28:26,623 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:28:26,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:28:26,625 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:28:26,625 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:28:26,632 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:28:27,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:28:27,392 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:28:27,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 15 [2021-11-07 01:28:27,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540585873] [2021-11-07 01:28:27,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 01:28:27,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:28:27,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 01:28:27,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:28:27,394 INFO L87 Difference]: Start difference. First operand 33 states and 39 transitions. Second operand has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states 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 01:28:27,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:28:27,609 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2021-11-07 01:28:27,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 01:28:27,610 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 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 21 [2021-11-07 01:28:27,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:28:27,610 INFO L225 Difference]: With dead ends: 51 [2021-11-07 01:28:27,611 INFO L226 Difference]: Without dead ends: 25 [2021-11-07 01:28:27,611 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=120, Invalid=386, Unknown=0, NotChecked=0, Total=506 [2021-11-07 01:28:27,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-07 01:28:27,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-07 01:28:27,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:28:27,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2021-11-07 01:28:27,620 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 21 [2021-11-07 01:28:27,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:28:27,621 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-11-07 01:28:27,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states 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 01:28:27,621 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-11-07 01:28:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:28:27,622 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:28:27,622 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:28:27,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:28:27,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable394,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:28:27,823 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:28:27,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:28:27,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1463476839, now seen corresponding path program 10 times [2021-11-07 01:28:27,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:28:27,823 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710662892] [2021-11-07 01:28:27,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:28:27,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:28:27,841 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 01:28:27,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [734659891] [2021-11-07 01:28:27,841 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:28:27,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:28:27,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:28:27,852 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:28:27,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_79d90c65-01e5-47fb-824c-1bb1a28740ab/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 01:28:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:28:28,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 62 conjunts are in the unsatisfiable core [2021-11-07 01:28:28,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:28:28,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:28:28,150 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:28:28,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-07 01:28:28,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2021-11-07 01:28:28,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,303 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 48 [2021-11-07 01:28:28,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,392 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 54 [2021-11-07 01:28:28,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:28:28,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2021-11-07 01:28:28,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,695 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 59 [2021-11-07 01:28:28,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 59 [2021-11-07 01:28:28,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:28,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 61 [2021-11-07 01:28:29,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:28:29,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 67 [2021-11-07 01:28:29,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,207 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:28:29,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 71 [2021-11-07 01:28:29,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,323 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:28:29,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 76 [2021-11-07 01:28:29,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 65 [2021-11-07 01:28:29,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 65 [2021-11-07 01:28:29,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,749 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:28:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 64 [2021-11-07 01:28:29,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,897 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:28:29,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:29,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 67 [2021-11-07 01:28:30,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:30,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:30,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:30,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:30,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:30,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:28:30,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 61 [2021-11-07 01:28:30,204 INFO L354 Elim1Store]: treesize reduction 152, result has 16.0 percent of original size [2021-11-07 01:28:30,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 67 treesize of output 59 [2021-11-07 01:28:30,355 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-07 01:28:30,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 92 treesize of output 56 [2021-11-07 01:28:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:28:30,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:33:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:33:34,434 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:33:34,434 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710662892] [2021-11-07 01:33:34,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:33:34,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734659891] [2021-11-07 01:33:34,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734659891] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:33:34,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [476549108] [2021-11-07 01:33:34,437 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:33:34,437 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:33:34,437 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:33:34,437 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:33:34,438 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:33:34,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:34,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:33:34,443 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:34,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:33:34,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-07 01:33:34,446 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_42|], 21=[|v_#valid_49|]} [2021-11-07 01:33:34,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:33:34,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:33:34,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:33:34,465 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:33:34,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:34,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:33:34,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:33:34,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:33:34,498 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:33:34,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:34,501 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:33:34,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:33:34,505 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:176, output treesize:151 [2021-11-07 01:33:34,533 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.6 percent of original size [2021-11-07 01:33:34,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:34,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:33:34,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:34,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:33:34,537 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:34,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:33:34,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-07 01:33:34,545 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_43|], 28=[|v_#valid_50|]} [2021-11-07 01:33:34,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,627 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:33:34,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 13 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:33:34,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:33:34,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:33:34,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:33:34,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:33:34,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:33:34,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:33:34,640 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:33:34,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:34,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:33:34,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:33:34,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:33:34,690 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:33:34,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:34,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 100 [2021-11-07 01:33:34,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:33:34,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:33:34,744 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:33:34,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:34,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-07 01:33:34,756 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:33:34,756 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:464, output treesize:216 [2021-11-07 01:33:34,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:34,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:33:34,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 241 [2021-11-07 01:33:34,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:34,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:33:34,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:33:34,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:33:34,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:33:34,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:34,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-11-07 01:33:34,840 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:33:34,841 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:239, output treesize:235 [2021-11-07 01:33:34,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:34,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:34,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:34,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:34,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:34,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:33:34,935 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:34,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:33:34,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 490 [2021-11-07 01:33:34,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:34,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:34,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 471 [2021-11-07 01:33:34,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 553 [2021-11-07 01:33:35,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,113 INFO L244 Elim1Store]: Index analysis took 110 ms [2021-11-07 01:33:35,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 27 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 130 [2021-11-07 01:33:35,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:33:35,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:33:35,136 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:33:35,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 26 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 115 [2021-11-07 01:33:35,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:33:35,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:33:35,207 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,260 INFO L180 QuantifierPusher]: treesize reduction 131, result has 79.5 percent of original size [2021-11-07 01:33:35,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 507 [2021-11-07 01:33:35,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:33:35,267 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:646, output treesize:507 [2021-11-07 01:33:35,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,330 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:33:35,331 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:33:35,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:33:35,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:33:35,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:33:35,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:33:35,342 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:33:35,346 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,346 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:33:35,351 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:33:35,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:33:35,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:33:35,357 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:33:35,387 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:33:35,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:33:35,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:33:35,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:33:35,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:33:35,394 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:33:35,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,396 INFO L628 ElimStorePlain]: treesize reduction 24, result has 75.0 percent of original size [2021-11-07 01:33:35,397 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:33:35,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:33:35,398 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,398 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:33:35,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,412 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:33:35,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:33:35,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:33:35,465 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:33:35,465 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:33:35,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,468 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:33:35,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:33:35,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:33:35,474 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:33:35,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,477 INFO L628 ElimStorePlain]: treesize reduction 42, result has 66.7 percent of original size [2021-11-07 01:33:35,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:33:35,480 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,480 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:33:35,485 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:33:35,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:33:35,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:33:35,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:33:35,500 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:33:35,553 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:33:35,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 34 [2021-11-07 01:33:35,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:33:35,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:33:35,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-07 01:33:35,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:33:35,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,561 INFO L628 ElimStorePlain]: treesize reduction 37, result has 68.1 percent of original size [2021-11-07 01:33:35,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-11-07 01:33:35,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,564 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:79 [2021-11-07 01:33:35,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,583 INFO L180 QuantifierPusher]: treesize reduction 48, result has 66.0 percent of original size [2021-11-07 01:33:35,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:33:35,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:33:35,638 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:33:35,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 54 [2021-11-07 01:33:35,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:33:35,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:33:35,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-11-07 01:33:35,647 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:33:35,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,650 INFO L628 ElimStorePlain]: treesize reduction 47, result has 65.4 percent of original size [2021-11-07 01:33:35,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:33:35,652 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,652 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:91, output treesize:89 [2021-11-07 01:33:35,658 INFO L180 QuantifierPusher]: treesize reduction 49, result has 59.8 percent of original size [2021-11-07 01:33:35,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:33:35,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:33:35,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:33:35,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:33:35,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:33:35,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,673 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-07 01:33:35,675 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,675 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:62 [2021-11-07 01:33:35,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:33:35,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:33:35,686 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:33:35,713 INFO L354 Elim1Store]: treesize reduction 23, result has 47.7 percent of original size [2021-11-07 01:33:35,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 33 [2021-11-07 01:33:35,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:33:35,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:33:35,717 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:33:35,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,723 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:95, output treesize:95 [2021-11-07 01:33:35,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,741 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:33:35,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:33:35,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:33:35,801 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:33:35,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:33:35,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:33:35,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,806 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:33:35,807 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:33:35,807 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:33:35,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:33:35,808 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:33:35,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:33:35,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:33:35,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:33:35,814 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:33:35,814 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:33:35,824 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:33:40,697 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:33:40,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:33:40,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 43 [2021-11-07 01:33:40,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231469594] [2021-11-07 01:33:40,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-07 01:33:40,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:33:40,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-07 01:33:40,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1959, Unknown=55, NotChecked=0, Total=2162 [2021-11-07 01:33:40,699 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 43 states, 43 states have (on average 1.0465116279069768) internal successors, (45), 43 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 01:36:21,812 WARN L207 SmtUtils]: Spent 13.52 s on a formula simplification. DAG size of input: 183 DAG size of output: 79 [2021-11-07 01:37:14,990 WARN L207 SmtUtils]: Spent 8.47 s on a formula simplification. DAG size of input: 156 DAG size of output: 72 [2021-11-07 01:37:54,100 WARN L207 SmtUtils]: Spent 6.47 s on a formula simplification. DAG size of input: 129 DAG size of output: 65 [2021-11-07 01:38:47,620 WARN L207 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 168 DAG size of output: 108