./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/rew.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_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/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_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/rew.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/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_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/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 a4dbd52ad78119a422ea606f98f820bbe5495fb5a7cf8886c665da2d1f9b569e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:36:04,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:36:04,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:36:04,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:36:04,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:36:04,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:36:04,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:36:04,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:36:04,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:36:04,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:36:04,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:36:04,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:36:04,927 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:36:04,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:36:04,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:36:04,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:36:04,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:36:04,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:36:04,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:36:04,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:36:04,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:36:04,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:36:04,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:36:04,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:36:04,964 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:36:04,964 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:36:04,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:36:04,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:36:04,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:36:04,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:36:04,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:36:04,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:36:04,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:36:04,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:36:04,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:36:04,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:36:04,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:36:04,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:36:04,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:36:04,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:36:04,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:36:04,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:36:05,001 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:36:05,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:36:05,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:36:05,002 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:36:05,002 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:36:05,002 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:36:05,002 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:36:05,003 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:36:05,003 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:36:05,003 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:36:05,003 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:36:05,003 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:36:05,004 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:36:05,004 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:36:05,004 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:36:05,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:36:05,005 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:36:05,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:36:05,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:36:05,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:36:05,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:36:05,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:36:05,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:36:05,006 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:36:05,006 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:36:05,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:36:05,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:36:05,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:36:05,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:36:05,007 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:36:05,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:05,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:36:05,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:36:05,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:36:05,008 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:36:05,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:36:05,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:36:05,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:36:05,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:36:05,009 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_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4dbd52ad78119a422ea606f98f820bbe5495fb5a7cf8886c665da2d1f9b569e [2021-11-07 01:36:05,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:36:05,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:36:05,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:36:05,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:36:05,334 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:36:05,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-tiling/rew.c [2021-11-07 01:36:05,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/data/06bbfde0b/511d3d2e3ee04a4ab6d09b36e3c7b3a6/FLAGe6737c58f [2021-11-07 01:36:05,842 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:36:05,843 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/sv-benchmarks/c/array-tiling/rew.c [2021-11-07 01:36:05,849 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/data/06bbfde0b/511d3d2e3ee04a4ab6d09b36e3c7b3a6/FLAGe6737c58f [2021-11-07 01:36:06,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/data/06bbfde0b/511d3d2e3ee04a4ab6d09b36e3c7b3a6 [2021-11-07 01:36:06,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:36:06,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:36:06,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:06,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:36:06,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:36:06,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513cdf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06, skipping insertion in model container [2021-11-07 01:36:06,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:36:06,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:36:06,591 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_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/sv-benchmarks/c/array-tiling/rew.c[394,407] [2021-11-07 01:36:06,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:06,638 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:36:06,656 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_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/sv-benchmarks/c/array-tiling/rew.c[394,407] [2021-11-07 01:36:06,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:06,689 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:36:06,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06 WrapperNode [2021-11-07 01:36:06,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:06,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:36:06,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:36:06,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:36:06,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:36:06,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:36:06,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:36:06,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:36:06,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:36:06,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:36:06,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:36:06,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:36:06,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06" (1/1) ... [2021-11-07 01:36:06,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:06,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:06,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:36:06,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:36:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:36:06,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:36:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:36:06,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:36:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:36:06,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:36:06,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:36:07,261 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:36:07,261 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-07 01:36:07,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:07 BoogieIcfgContainer [2021-11-07 01:36:07,264 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:36:07,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:36:07,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:36:07,278 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:36:07,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:36:06" (1/3) ... [2021-11-07 01:36:07,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec8c9a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:07, skipping insertion in model container [2021-11-07 01:36:07,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:06" (2/3) ... [2021-11-07 01:36:07,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ec8c9a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:07, skipping insertion in model container [2021-11-07 01:36:07,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:07" (3/3) ... [2021-11-07 01:36:07,281 INFO L111 eAbstractionObserver]: Analyzing ICFG rew.c [2021-11-07 01:36:07,286 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:36:07,287 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:36:07,352 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:36:07,363 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 01:36:07,363 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:36:07,382 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:07,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:36:07,389 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:07,389 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 01:36:07,389 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:07,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:07,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1740444559, now seen corresponding path program 1 times [2021-11-07 01:36:07,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:07,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466946009] [2021-11-07 01:36:07,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:07,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:07,601 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 01:36:07,602 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:07,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466946009] [2021-11-07 01:36:07,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466946009] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:07,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:07,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:36:07,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715573658] [2021-11-07 01:36:07,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:36:07,611 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:07,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:36:07,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:36:07,631 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:07,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:07,667 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-07 01:36:07,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:36:07,669 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-07 01:36:07,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:07,686 INFO L225 Difference]: With dead ends: 18 [2021-11-07 01:36:07,686 INFO L226 Difference]: Without dead ends: 9 [2021-11-07 01:36:07,688 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 01:36:07,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-07 01:36:07,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-07 01:36:07,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2021-11-07 01:36:07,717 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2021-11-07 01:36:07,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:07,717 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2021-11-07 01:36:07,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:07,718 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-07 01:36:07,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 01:36:07,718 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:07,719 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:07,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:36:07,719 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:07,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:07,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1884425115, now seen corresponding path program 1 times [2021-11-07 01:36:07,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:07,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230721259] [2021-11-07 01:36:07,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:07,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:07,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:07,816 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:07,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230721259] [2021-11-07 01:36:07,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230721259] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:07,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019716530] [2021-11-07 01:36:07,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:07,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:07,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:07,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:07,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:36:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:07,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:36:07,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:08,088 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:08,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:08,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019716530] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:08,156 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1666100964] [2021-11-07 01:36:08,194 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:36:08,194 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:08,199 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:08,210 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:08,211 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:08,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,254 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:08,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:08,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:08,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:08,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:36:08,298 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_12|], 21=[|v_#valid_13|]} [2021-11-07 01:36:08,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,329 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 01:36:08,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:08,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:08,335 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:08,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:08,385 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,451 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 01:36:08,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:08,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:08,462 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:08,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:08,523 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:08,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:08,550 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:36:08,577 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:36:08,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:08,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:08,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:08,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:36:08,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:36:08,623 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_13|], 15=[|v_#valid_14|]} [2021-11-07 01:36:08,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,665 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:36:08,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:36:08,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:08,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:08,686 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:08,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:08,725 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:36:08,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:08,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:08,778 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:08,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:08,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:08,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:08,839 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:36:08,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:08,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:08,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:36:08,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:36:08,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:08,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:08,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:36:08,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:08,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:08,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-07 01:36:08,931 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:08,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:08,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:36:08,948 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.7 percent of original size 228 [2021-11-07 01:36:08,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:08,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 109 [2021-11-07 01:36:09,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:09,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:09,044 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:09,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:09,062 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,072 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-07 01:36:09,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-07 01:36:09,081 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:09,081 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:208, output treesize:205 [2021-11-07 01:36:09,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:09,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:09,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:09,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:09,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:09,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:09,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:09,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:09,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:09,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:09,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:09,438 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:09,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:36:09,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 435 [2021-11-07 01:36:09,456 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:09,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-07 01:36:09,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:09,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,504 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:09,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 01:36:09,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:09,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:09,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-07 01:36:09,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:09,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 423 [2021-11-07 01:36:09,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 851 [2021-11-07 01:36:09,564 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:09,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-07 01:36:09,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-07 01:36:09,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,660 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:09,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,760 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 129 [2021-11-07 01:36:09,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:36:09,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:36:09,776 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:09,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:09,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:09,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:09,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:09,906 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:09,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:09,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:09,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:10,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 118 [2021-11-07 01:36:10,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:36:10,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:36:10,035 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:10,055 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:10,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:10,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:10,058 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:10,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:10,145 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:36:10,187 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.5 percent of original size [2021-11-07 01:36:10,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 683 [2021-11-07 01:36:10,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:36:10,202 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:683 [2021-11-07 01:36:10,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:10,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:10,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:10,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:10,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:10,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:10,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:10,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:10,343 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:36:10,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:10,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:10,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:10,351 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:36:10,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:10,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:10,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:10,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:10,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:10,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:10,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:10,362 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:36:10,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:10,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:10,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:36:10,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:36:10,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:10,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:36:10,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:10,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:10,385 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:10,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:10,393 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:36:10,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:10,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:10,404 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:10,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:10,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:10,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:10,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:10,418 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:36:10,425 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:36:10,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:10,433 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:11,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:11,028 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:11,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2021-11-07 01:36:11,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534190566] [2021-11-07 01:36:11,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:36:11,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:11,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:36:11,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:36:11,031 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:11,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:11,061 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-11-07 01:36:11,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:36:11,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-07 01:36:11,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:11,063 INFO L225 Difference]: With dead ends: 15 [2021-11-07 01:36:11,063 INFO L226 Difference]: Without dead ends: 10 [2021-11-07 01:36:11,064 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:36:11,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-11-07 01:36:11,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-07 01:36:11,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:11,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-11-07 01:36:11,067 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 7 [2021-11-07 01:36:11,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:11,068 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-11-07 01:36:11,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:11,068 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-11-07 01:36:11,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:36:11,069 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:11,069 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:11,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:11,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-11-07 01:36:11,292 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:11,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:11,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1708731983, now seen corresponding path program 2 times [2021-11-07 01:36:11,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:11,293 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686533786] [2021-11-07 01:36:11,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:11,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:11,521 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:11,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686533786] [2021-11-07 01:36:11,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686533786] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:11,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092936726] [2021-11-07 01:36:11,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:36:11,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:11,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:11,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:11,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:36:11,590 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:36:11,590 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:36:11,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-07 01:36:11,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:11,658 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:36:11,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:11,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:11,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:11,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 71 [2021-11-07 01:36:11,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:11,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2021-11-07 01:36:11,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:11,870 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:11,871 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 25 [2021-11-07 01:36:12,103 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-07 01:36:12,105 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 54 treesize of output 34 [2021-11-07 01:36:12,153 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:12,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:12,277 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2021-11-07 01:36:12,281 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 73 treesize of output 71 [2021-11-07 01:36:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:12,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092936726] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:12,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [168330812] [2021-11-07 01:36:12,350 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:36:12,350 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:12,351 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:12,351 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:12,351 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:12,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:12,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:12,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:36:12,377 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 21=[|v_#valid_16|]} [2021-11-07 01:36:12,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,390 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 01:36:12,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:12,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:12,393 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:12,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:12,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,428 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 01:36:12,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:12,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:12,433 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:12,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:12,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:12,446 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:12,447 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:36:12,458 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:36:12,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:36:12,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:12,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:36:12,472 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_16|], 15=[|v_#valid_17|]} [2021-11-07 01:36:12,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,505 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:36:12,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:36:12,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:12,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:12,511 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:12,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:12,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:36:12,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:12,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:12,555 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:12,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:12,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:12,576 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:12,576 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:36:12,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:12,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:12,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:12,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:12,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:12,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:36:12,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:36:12,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:12,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:12,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:12,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:12,711 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:12,722 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:12,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:12,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:12,725 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:12,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:12,735 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,745 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-07 01:36:12,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-07 01:36:12,750 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:12,754 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-07 01:36:12,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:12,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:12,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:12,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:12,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:12,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:36:12,931 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-07 01:36:12,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-07 01:36:12,936 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 01:36:12,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:12,957 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:12,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:12,962 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:36:12,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-11-07 01:36:12,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:12,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:12,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-07 01:36:13,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-07 01:36:13,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,209 INFO L244 Elim1Store]: Index analysis took 152 ms [2021-11-07 01:36:13,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-07 01:36:13,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:36:13,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:36:13,260 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:13,283 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:13,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:13,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:13,286 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:13,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-07 01:36:13,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:13,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:13,415 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:13,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:13,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:13,487 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:13,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,586 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:36:13,616 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-07 01:36:13,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-07 01:36:13,627 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:36:13,628 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-07 01:36:13,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,729 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:36:13,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:13,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:13,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:13,736 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:36:13,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:13,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:13,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:13,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:13,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:13,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:13,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:13,744 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:36:13,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:13,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:13,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:36:13,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:36:13,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:13,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:36:13,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:13,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:13,770 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:13,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,777 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,784 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:36:13,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:13,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:13,787 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:13,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:13,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:13,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:13,799 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:13,799 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:36:13,806 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:36:13,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:13,813 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:14,426 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:14,427 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:14,427 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2021-11-07 01:36:14,427 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909141054] [2021-11-07 01:36:14,428 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 01:36:14,428 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:14,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 01:36:14,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:36:14,429 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. Second operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 16 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 01:36:15,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:15,450 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2021-11-07 01:36:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:36:15,450 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 16 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 8 [2021-11-07 01:36:15,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:15,451 INFO L225 Difference]: With dead ends: 21 [2021-11-07 01:36:15,451 INFO L226 Difference]: Without dead ends: 19 [2021-11-07 01:36:15,452 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:36:15,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-07 01:36:15,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 12. [2021-11-07 01:36:15,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:15,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-11-07 01:36:15,456 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 8 [2021-11-07 01:36:15,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:15,456 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-11-07 01:36:15,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.1875) internal successors, (19), 16 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 01:36:15,457 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-07 01:36:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:36:15,457 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:15,457 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:15,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:15,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-11-07 01:36:15,658 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:15,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:15,659 INFO L85 PathProgramCache]: Analyzing trace with hash -876836285, now seen corresponding path program 1 times [2021-11-07 01:36:15,659 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:15,659 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979218512] [2021-11-07 01:36:15,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:15,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:15,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:15,856 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:15,857 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:15,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979218512] [2021-11-07 01:36:15,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979218512] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:15,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779437137] [2021-11-07 01:36:15,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:15,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:15,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:15,858 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:15,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:36:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:15,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-07 01:36:15,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:16,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:36:16,117 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-11-07 01:36:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:16,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:16,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2021-11-07 01:36:16,248 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 32 treesize of output 28 [2021-11-07 01:36:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:16,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779437137] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:16,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2138510704] [2021-11-07 01:36:16,314 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:36:16,314 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:16,314 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:16,315 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:16,315 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:16,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:16,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:16,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:36:16,334 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 21=[|v_#valid_19|]} [2021-11-07 01:36:16,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,345 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 01:36:16,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:16,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:16,347 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:16,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:16,352 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,368 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 01:36:16,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:16,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:16,372 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:16,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:16,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:16,381 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:16,381 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:36:16,387 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:36:16,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:36:16,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:16,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:36:16,397 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_19|], 15=[|v_#valid_20|]} [2021-11-07 01:36:16,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,417 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:36:16,418 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:36:16,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:16,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:16,421 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:16,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:16,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:36:16,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:16,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:16,452 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:16,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:16,459 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:16,465 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:16,466 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:36:16,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,478 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:16,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:16,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,488 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:16,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:16,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:16,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:36:16,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:36:16,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:16,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:16,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:16,586 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:16,596 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:16,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:16,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:16,598 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:16,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:16,611 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,615 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-07 01:36:16,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-07 01:36:16,619 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:16,619 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-07 01:36:16,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:16,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:16,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:16,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:16,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:16,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:36:16,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:16,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 448 [2021-11-07 01:36:16,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-11-07 01:36:16,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,801 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:16,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-07 01:36:16,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-07 01:36:16,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 436 [2021-11-07 01:36:16,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 877 [2021-11-07 01:36:16,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:16,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-07 01:36:16,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-07 01:36:16,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:16,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:16,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:16,958 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:16,974 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:16,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:16,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:16,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:16,976 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-07 01:36:17,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:17,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:17,078 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:17,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-07 01:36:17,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:36:17,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:36:17,164 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:17,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,249 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:36:17,278 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-07 01:36:17,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-07 01:36:17,289 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:36:17,289 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-07 01:36:17,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,385 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:36:17,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:17,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:17,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:17,404 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:36:17,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:17,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:17,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:17,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:17,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:17,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:17,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:17,413 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:36:17,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:17,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:17,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:36:17,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:36:17,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:17,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:36:17,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:17,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:17,435 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:17,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,442 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:36:17,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:17,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:17,452 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:17,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,458 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:17,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:17,463 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:36:17,470 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:36:17,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:17,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:36:17,481 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-07 01:36:17,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:36:17,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:36:17,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-07 01:36:17,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,611 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:17,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:17,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:17,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:17,632 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:17,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:17,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:17,683 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:18,980 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:18,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:18,981 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2021-11-07 01:36:18,981 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252710232] [2021-11-07 01:36:18,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-07 01:36:18,981 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:18,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-07 01:36:18,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:36:18,983 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 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 01:36:19,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:19,246 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2021-11-07 01:36:19,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:36:19,247 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-07 01:36:19,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:19,248 INFO L225 Difference]: With dead ends: 27 [2021-11-07 01:36:19,248 INFO L226 Difference]: Without dead ends: 25 [2021-11-07 01:36:19,249 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=125, Invalid=745, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:36:19,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-07 01:36:19,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 16. [2021-11-07 01:36:19,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:19,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-11-07 01:36:19,256 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 11 [2021-11-07 01:36:19,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:19,256 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-11-07 01:36:19,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 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 01:36:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-07 01:36:19,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:36:19,257 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:19,257 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:19,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:19,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:19,458 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:19,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:19,459 INFO L85 PathProgramCache]: Analyzing trace with hash -755739303, now seen corresponding path program 2 times [2021-11-07 01:36:19,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:19,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810665688] [2021-11-07 01:36:19,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:19,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:19,732 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:19,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810665688] [2021-11-07 01:36:19,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810665688] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:19,733 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437809072] [2021-11-07 01:36:19,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:36:19,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:19,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:19,735 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:19,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 01:36:19,841 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:36:19,841 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:36:19,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 01:36:19,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:19,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 01:36:20,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:20,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:20,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:20,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 75 [2021-11-07 01:36:20,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:20,056 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 23 [2021-11-07 01:36:20,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:20,100 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:20,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 27 [2021-11-07 01:36:20,830 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-07 01:36:20,830 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 54 treesize of output 34 [2021-11-07 01:36:20,884 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:20,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:21,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-11-07 01:36:21,073 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 87 treesize of output 83 [2021-11-07 01:36:21,227 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:21,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437809072] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:21,228 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1730279225] [2021-11-07 01:36:21,231 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:36:21,231 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:21,232 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:21,232 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:21,232 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:21,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:21,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:21,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:36:21,250 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 21=[|v_#valid_22|]} [2021-11-07 01:36:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,261 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 01:36:21,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:21,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:21,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:21,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:21,275 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,293 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 01:36:21,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:21,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:21,299 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:21,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:21,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:21,327 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:21,327 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:36:21,334 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:36:21,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:21,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:36:21,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:36:21,346 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_22|], 15=[|v_#valid_23|]} [2021-11-07 01:36:21,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,371 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:36:21,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:36:21,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:21,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:21,376 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:21,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:21,385 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:36:21,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:21,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:21,409 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:21,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:21,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:21,427 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:21,427 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:36:21,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:21,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:21,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:21,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:21,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:21,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:36:21,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:36:21,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,558 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:21,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:21,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:21,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:21,579 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:21,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:21,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:21,582 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:21,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:21,595 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,599 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-07 01:36:21,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-07 01:36:21,610 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:21,610 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-07 01:36:21,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:21,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:21,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:21,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:21,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:21,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:21,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-07 01:36:21,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-07 01:36:21,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 436 [2021-11-07 01:36:21,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:21,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:36:21,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 448 [2021-11-07 01:36:21,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-11-07 01:36:21,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 877 [2021-11-07 01:36:21,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:21,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:21,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-07 01:36:21,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-07 01:36:21,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:21,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-07 01:36:22,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:22,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:22,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:22,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:22,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:22,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:22,145 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:22,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,294 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-07 01:36:22,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-07 01:36:22,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:36:22,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:36:22,335 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:22,351 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:22,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:22,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:22,354 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:22,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,452 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:36:22,481 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-07 01:36:22,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-07 01:36:22,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:36:22,493 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-07 01:36:22,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,598 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:36:22,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:22,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,602 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:22,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:22,605 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:36:22,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:22,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,608 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:22,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:22,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:22,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:22,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:22,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:22,613 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:36:22,614 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:22,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,615 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:22,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:36:22,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:36:22,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:22,632 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:36:22,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:22,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:22,638 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:22,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:36:22,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:22,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:22,663 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:22,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,670 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:22,675 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:22,675 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:36:22,681 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:36:22,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:22,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:36:22,693 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-07 01:36:22,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:36:22,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:36:22,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-07 01:36:22,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,817 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:22,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:22,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:22,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:22,838 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:22,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:22,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:22,889 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:24,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:24,123 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:24,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 22 [2021-11-07 01:36:24,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391000054] [2021-11-07 01:36:24,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-07 01:36:24,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:24,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-07 01:36:24,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=664, Unknown=1, NotChecked=0, Total=756 [2021-11-07 01:36:24,126 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 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 01:36:25,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:25,817 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions. [2021-11-07 01:36:25,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-07 01:36:25,818 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 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) Word has length 12 [2021-11-07 01:36:25,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:25,819 INFO L225 Difference]: With dead ends: 36 [2021-11-07 01:36:25,819 INFO L226 Difference]: Without dead ends: 34 [2021-11-07 01:36:25,821 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=322, Invalid=1747, Unknown=1, NotChecked=0, Total=2070 [2021-11-07 01:36:25,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-07 01:36:25,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 15. [2021-11-07 01:36:25,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 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 01:36:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2021-11-07 01:36:25,830 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2021-11-07 01:36:25,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:25,830 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-11-07 01:36:25,834 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 22 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 01:36:25,834 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2021-11-07 01:36:25,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:36:25,835 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:25,836 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2021-11-07 01:36:25,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:26,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2021-11-07 01:36:26,060 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:26,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:26,061 INFO L85 PathProgramCache]: Analyzing trace with hash 166604913, now seen corresponding path program 3 times [2021-11-07 01:36:26,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:26,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192397735] [2021-11-07 01:36:26,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:26,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:26,162 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:26,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192397735] [2021-11-07 01:36:26,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192397735] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:26,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997118883] [2021-11-07 01:36:26,162 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:36:26,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:26,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:26,164 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:26,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 01:36:26,271 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:36:26,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:36:26,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:36:26,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:26,389 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:26,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:26,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997118883] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:26,453 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1243957122] [2021-11-07 01:36:26,456 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:36:26,456 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:26,457 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:26,457 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:26,457 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:26,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:26,468 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:26,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:36:26,475 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_24|], 21=[|v_#valid_25|]} [2021-11-07 01:36:26,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,487 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 01:36:26,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:26,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:26,490 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:26,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:26,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,544 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 01:36:26,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:26,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:26,552 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:26,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:26,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:26,566 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:26,567 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:36:26,573 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:36:26,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:36:26,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:26,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:36:26,586 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_25|], 15=[|v_#valid_26|]} [2021-11-07 01:36:26,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,607 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:36:26,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:36:26,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:26,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:26,612 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:26,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:26,621 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:36:26,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:26,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:26,646 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:26,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:26,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:26,663 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:26,663 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:36:26,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,672 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:36:26,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:36:26,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:36:26,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:26,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-07 01:36:26,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:36:26,695 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.7 percent of original size 228 [2021-11-07 01:36:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 109 [2021-11-07 01:36:26,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:26,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:26,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:26,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:26,752 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,756 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-07 01:36:26,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-07 01:36:26,760 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:26,760 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:208, output treesize:205 [2021-11-07 01:36:26,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:26,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:26,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:26,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:26,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:26,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,896 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:26,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:26,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:26,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:36:26,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 01:36:26,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:36:26,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-07 01:36:26,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:36:26,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 501 [2021-11-07 01:36:26,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:26,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:26,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-07 01:36:26,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-07 01:36:26,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,984 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:26,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:26,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 118 [2021-11-07 01:36:27,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:36:27,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:36:27,075 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:27,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,187 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:27,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:27,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:27,194 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:27,213 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:27,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:27,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:27,216 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,241 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:27,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,284 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 129 [2021-11-07 01:36:27,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:36:27,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:36:27,293 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:27,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,379 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:36:27,412 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.5 percent of original size [2021-11-07 01:36:27,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 683 [2021-11-07 01:36:27,424 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:36:27,425 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:683 [2021-11-07 01:36:27,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,569 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:36:27,572 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:27,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:27,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:27,576 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:36:27,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:27,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:27,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:27,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:27,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:27,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:27,584 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:27,585 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:36:27,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:27,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:27,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:36:27,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:36:27,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:27,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:36:27,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:27,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:27,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:27,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:36:27,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:27,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:27,627 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:27,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,634 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:27,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:27,640 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:36:27,647 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:36:27,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:27,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:36:27,661 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-07 01:36:27,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:36:27,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:36:27,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-07 01:36:27,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,799 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:27,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:27,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:27,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:27,821 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:27,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:27,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:27,875 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:29,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:29,089 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:29,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2021-11-07 01:36:29,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473942605] [2021-11-07 01:36:29,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 01:36:29,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:29,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 01:36:29,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:36:29,093 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 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 01:36:29,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:29,190 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-11-07 01:36:29,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:36:29,191 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-07 01:36:29,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:29,192 INFO L225 Difference]: With dead ends: 34 [2021-11-07 01:36:29,192 INFO L226 Difference]: Without dead ends: 22 [2021-11-07 01:36:29,193 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:36:29,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-07 01:36:29,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 16. [2021-11-07 01:36:29,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:29,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-11-07 01:36:29,205 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2021-11-07 01:36:29,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:29,205 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-11-07 01:36:29,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 13 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 01:36:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-11-07 01:36:29,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 01:36:29,206 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:29,206 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1] [2021-11-07 01:36:29,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:29,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:29,421 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:29,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:29,421 INFO L85 PathProgramCache]: Analyzing trace with hash -5732965, now seen corresponding path program 4 times [2021-11-07 01:36:29,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:29,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648142717] [2021-11-07 01:36:29,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:29,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:29,616 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:29,616 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:29,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648142717] [2021-11-07 01:36:29,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648142717] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:29,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339355481] [2021-11-07 01:36:29,617 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:36:29,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:29,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:29,618 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:29,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 01:36:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:29,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-07 01:36:29,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:29,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:36:30,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-11-07 01:36:30,119 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:30,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:30,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2021-11-07 01:36:30,278 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 32 treesize of output 28 [2021-11-07 01:36:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:30,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339355481] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:30,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [997344491] [2021-11-07 01:36:30,394 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:36:30,394 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:30,394 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:30,395 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:30,395 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:30,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,402 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:30,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:30,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:36:30,410 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_27|], 21=[|v_#valid_28|]} [2021-11-07 01:36:30,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,423 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 01:36:30,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:30,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:30,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:30,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:30,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,448 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 01:36:30,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:30,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:30,453 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:30,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:30,468 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:30,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:30,473 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:36:30,478 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:36:30,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:30,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:36:30,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:36:30,488 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_28|], 15=[|v_#valid_29|]} [2021-11-07 01:36:30,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,508 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:36:30,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:36:30,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:30,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:30,512 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:30,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:30,528 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:36:30,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:30,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:30,552 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:30,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:30,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:30,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:30,562 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:36:30,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:30,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:30,578 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:30,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:30,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:30,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:36:30,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:36:30,625 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:30,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:30,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:30,627 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:30,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,660 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:30,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:30,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:30,675 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:30,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:30,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,689 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-07 01:36:30,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-07 01:36:30,693 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:30,694 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-07 01:36:30,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:30,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:30,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:30,783 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,792 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:30,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:30,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:30,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:30,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:30,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:36:30,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:36:30,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-07 01:36:30,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-07 01:36:30,842 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 01:36:30,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-11-07 01:36:30,850 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:30,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-07 01:36:30,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-07 01:36:30,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:30,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-07 01:36:30,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:30,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:30,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:30,993 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:31,011 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:31,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:31,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:31,013 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:31,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:31,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:31,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:31,119 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:31,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-07 01:36:31,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:36:31,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:36:31,189 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:31,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,283 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:36:31,310 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-07 01:36:31,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-07 01:36:31,321 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:36:31,322 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-07 01:36:31,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,403 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:36:31,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:31,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:31,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:31,409 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:36:31,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:31,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:31,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:31,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:31,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:31,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:31,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:31,417 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:36:31,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:31,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:31,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:36:31,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:36:31,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:36:31,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:31,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:31,434 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:31,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:31,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:36:31,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:31,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:31,463 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:31,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:31,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:31,475 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:36:31,483 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:36:31,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:31,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,492 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-11-07 01:36:31,495 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-07 01:36:31,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:31,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,531 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:31,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:31,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:31,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:31,551 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:31,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:31,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:31,598 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:32,818 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:32,819 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:32,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2021-11-07 01:36:32,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159076598] [2021-11-07 01:36:32,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-07 01:36:32,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:32,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-07 01:36:32,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=833, Unknown=0, NotChecked=0, Total=930 [2021-11-07 01:36:32,822 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 0 states have call successors, (0), 0 states 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 01:36:33,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:33,295 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2021-11-07 01:36:33,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 01:36:33,297 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-07 01:36:33,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:33,298 INFO L225 Difference]: With dead ends: 34 [2021-11-07 01:36:33,298 INFO L226 Difference]: Without dead ends: 32 [2021-11-07 01:36:33,299 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 23 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=163, Invalid=1243, Unknown=0, NotChecked=0, Total=1406 [2021-11-07 01:36:33,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-07 01:36:33,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 20. [2021-11-07 01:36:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 19 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 01:36:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-11-07 01:36:33,313 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 15 [2021-11-07 01:36:33,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:33,313 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-11-07 01:36:33,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 0 states have call successors, (0), 0 states 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 01:36:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-11-07 01:36:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:36:33,315 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:33,315 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 1, 1, 1, 1, 1] [2021-11-07 01:36:33,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:33,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable155 [2021-11-07 01:36:33,540 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:33,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:33,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1053239887, now seen corresponding path program 5 times [2021-11-07 01:36:33,541 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:33,541 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622708271] [2021-11-07 01:36:33,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:33,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:33,770 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:33,770 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:33,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622708271] [2021-11-07 01:36:33,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622708271] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:33,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624789077] [2021-11-07 01:36:33,771 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:36:33,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:33,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:33,772 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:33,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 01:36:33,950 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:36:33,951 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:36:33,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-07 01:36:33,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:34,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 01:36:34,205 INFO L354 Elim1Store]: treesize reduction 139, result has 18.2 percent of original size [2021-11-07 01:36:34,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 75 [2021-11-07 01:36:34,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:34,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-07 01:36:34,273 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 01:36:34,274 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 59 treesize of output 27 [2021-11-07 01:36:37,240 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 01:36:37,240 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 60 treesize of output 34 [2021-11-07 01:36:37,293 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:37,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:37,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-11-07 01:36:37,560 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 87 treesize of output 83 [2021-11-07 01:36:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:37,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624789077] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:37,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1476485682] [2021-11-07 01:36:37,759 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:36:37,759 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:37,759 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:37,759 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:37,760 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:37,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:37,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:37,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:37,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:37,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:36:37,775 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_30|], 21=[|v_#valid_31|]} [2021-11-07 01:36:37,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,789 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 01:36:37,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:37,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:37,792 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:37,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:37,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,815 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 01:36:37,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:37,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:37,819 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:37,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:37,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:37,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:37,826 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:36:37,830 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:36:37,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:37,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:37,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:37,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:36:37,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:36:37,853 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_31|], 15=[|v_#valid_32|]} [2021-11-07 01:36:37,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,875 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:36:37,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:36:37,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:37,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:37,879 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:37,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:37,886 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:36:37,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:37,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:37,905 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:37,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:37,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:37,929 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:37,930 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:36:37,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:37,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:37,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:36:37,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:36:37,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:37,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:37,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:36:37,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:37,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:37,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-07 01:36:37,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:37,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:37,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:36:37,965 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.7 percent of original size 228 [2021-11-07 01:36:37,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:37,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 109 [2021-11-07 01:36:38,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:38,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:38,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:38,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,021 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-07 01:36:38,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-07 01:36:38,025 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:38,026 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:208, output treesize:205 [2021-11-07 01:36:38,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:38,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:38,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,152 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:36:38,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:38,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 435 [2021-11-07 01:36:38,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-07 01:36:38,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:38,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 01:36:38,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-07 01:36:38,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 423 [2021-11-07 01:36:38,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 851 [2021-11-07 01:36:38,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-07 01:36:38,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-07 01:36:38,253 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:38,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:38,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:38,255 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:38,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:38,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:38,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:38,350 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:38,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,380 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:38,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 118 [2021-11-07 01:36:38,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:36:38,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:36:38,466 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:38,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:38,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 129 [2021-11-07 01:36:38,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:36:38,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:36:38,536 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:38,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,593 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:36:38,615 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.5 percent of original size [2021-11-07 01:36:38,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 683 [2021-11-07 01:36:38,626 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:36:38,626 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:683 [2021-11-07 01:36:38,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,716 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:36:38,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:38,721 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:36:38,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:38,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:38,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:38,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,729 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:36:38,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:38,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:38,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:36:38,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:36:38,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:36:38,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:38,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:38,746 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:38,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:38,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:36:38,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:38,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:38,764 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:38,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:38,775 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:38,775 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:36:38,782 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:36:38,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:38,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,791 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-11-07 01:36:38,796 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-07 01:36:38,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:38,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,832 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:38,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:38,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:38,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:38,861 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:38,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:38,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:38,906 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:40,182 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:40,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:40,183 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2021-11-07 01:36:40,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349505133] [2021-11-07 01:36:40,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-07 01:36:40,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:40,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-07 01:36:40,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1009, Unknown=2, NotChecked=0, Total=1122 [2021-11-07 01:36:40,185 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states 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 01:36:44,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:44,973 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2021-11-07 01:36:44,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-07 01:36:44,974 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 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 01:36:44,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:44,975 INFO L225 Difference]: With dead ends: 47 [2021-11-07 01:36:44,975 INFO L226 Difference]: Without dead ends: 45 [2021-11-07 01:36:44,977 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 654 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=426, Invalid=2764, Unknown=2, NotChecked=0, Total=3192 [2021-11-07 01:36:44,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-11-07 01:36:44,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 19. [2021-11-07 01:36:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-11-07 01:36:44,986 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 16 [2021-11-07 01:36:44,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:44,986 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-11-07 01:36:44,986 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 28 states have internal predecessors, (43), 0 states have call successors, (0), 0 states 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 01:36:44,987 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-11-07 01:36:44,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:36:44,987 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:44,988 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1] [2021-11-07 01:36:45,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:45,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:45,204 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:45,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:45,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1013208601, now seen corresponding path program 6 times [2021-11-07 01:36:45,205 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:45,205 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794464208] [2021-11-07 01:36:45,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:45,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:45,330 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:45,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794464208] [2021-11-07 01:36:45,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794464208] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:45,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1080600287] [2021-11-07 01:36:45,331 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:36:45,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:45,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:45,333 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:45,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 01:36:45,548 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:36:45,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:36:45,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:36:45,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:45,714 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:45,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:45,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1080600287] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:45,793 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [594990854] [2021-11-07 01:36:45,795 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:36:45,795 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:45,796 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:45,796 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:45,796 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:45,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,804 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:45,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:45,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:45,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:45,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:36:45,814 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_33|], 21=[|v_#valid_34|]} [2021-11-07 01:36:45,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,827 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 01:36:45,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:45,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:45,829 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:45,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:45,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,854 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 01:36:45,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:45,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:45,859 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:45,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:45,864 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,868 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:45,869 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:45,869 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:36:45,888 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:36:45,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:45,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:45,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:45,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:36:45,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:36:45,898 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_34|], 15=[|v_#valid_35|]} [2021-11-07 01:36:45,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,921 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:36:45,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:36:45,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:45,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:45,925 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:45,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:45,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:45,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:36:45,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:45,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:45,952 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:45,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:45,959 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:45,965 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:45,965 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:36:45,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:45,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:45,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:45,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:45,984 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:45,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:45,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:45,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:45,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:45,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:45,993 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:45,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:45,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:36:45,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:36:46,010 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:46,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:46,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:46,013 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:46,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:46,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:46,055 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,067 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-07 01:36:46,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-07 01:36:46,071 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,071 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-07 01:36:46,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,094 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:46,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:46,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,174 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-07 01:36:46,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:36:46,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-07 01:36:46,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 01:36:46,188 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:46,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:46,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:46,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:36:46,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-11-07 01:36:46,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-07 01:36:46,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-07 01:36:46,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-07 01:36:46,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:46,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:46,360 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,381 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:46,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:46,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:46,384 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:46,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:46,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:46,507 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-07 01:36:46,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:36:46,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:36:46,591 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,646 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:36:46,676 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-07 01:36:46,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-07 01:36:46,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:36:46,687 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-07 01:36:46,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,754 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:36:46,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:46,760 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:36:46,761 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:46,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:46,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:46,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,768 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:36:46,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:46,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:36:46,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:36:46,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,786 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:36:46,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:46,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:46,788 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,794 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:36:46,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:46,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:46,804 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,810 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:46,815 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:46,816 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:36:46,823 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:36:46,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:46,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,832 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-11-07 01:36:46,840 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-07 01:36:46,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:46,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,872 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:46,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:46,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:46,900 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:46,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:46,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,964 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:47,950 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:47,950 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:47,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2021-11-07 01:36:47,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345191576] [2021-11-07 01:36:47,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 01:36:47,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:47,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 01:36:47,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:36:47,952 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:48,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:48,067 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2021-11-07 01:36:48,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:36:48,067 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:36:48,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:48,068 INFO L225 Difference]: With dead ends: 41 [2021-11-07 01:36:48,068 INFO L226 Difference]: Without dead ends: 26 [2021-11-07 01:36:48,068 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=117, Invalid=483, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:36:48,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-07 01:36:48,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2021-11-07 01:36:48,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 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 01:36:48,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-11-07 01:36:48,074 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 18 [2021-11-07 01:36:48,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:48,075 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-11-07 01:36:48,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:48,075 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-11-07 01:36:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:36:48,076 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:48,076 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1] [2021-11-07 01:36:48,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:48,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:48,276 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:48,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:48,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1966868035, now seen corresponding path program 7 times [2021-11-07 01:36:48,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:48,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497271825] [2021-11-07 01:36:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:48,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:48,567 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:48,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497271825] [2021-11-07 01:36:48,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497271825] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:48,567 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494434097] [2021-11-07 01:36:48,567 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:36:48,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:48,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:48,586 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:48,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 01:36:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:48,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-07 01:36:48,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:48,885 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:36:49,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2021-11-07 01:36:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:49,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:49,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2021-11-07 01:36:49,341 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 32 treesize of output 28 [2021-11-07 01:36:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:49,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494434097] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:49,472 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2016693862] [2021-11-07 01:36:49,474 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:36:49,474 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:49,474 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:49,475 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:49,475 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:49,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:49,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:49,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:36:49,488 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_36|], 21=[|v_#valid_37|]} [2021-11-07 01:36:49,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,498 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 01:36:49,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:49,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:49,500 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,522 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 01:36:49,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:49,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:49,525 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:49,540 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,540 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:36:49,545 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:36:49,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:49,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:36:49,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:36:49,555 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_37|], 15=[|v_#valid_38|]} [2021-11-07 01:36:49,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,568 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:36:49,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:36:49,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:49,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:49,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:36:49,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:49,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:49,600 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,609 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:49,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,614 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:36:49,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:36:49,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:36:49,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:36:49,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:49,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-07 01:36:49,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:36:49,640 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.7 percent of original size 228 [2021-11-07 01:36:49,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,678 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 109 [2021-11-07 01:36:49,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:49,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:49,683 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,690 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-07 01:36:49,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-07 01:36:49,694 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,694 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:208, output treesize:205 [2021-11-07 01:36:49,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:49,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:49,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:49,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:36:49,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 435 [2021-11-07 01:36:49,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-07 01:36:49,847 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,852 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:49,855 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 01:36:49,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-07 01:36:49,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 423 [2021-11-07 01:36:49,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 851 [2021-11-07 01:36:49,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-07 01:36:49,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-07 01:36:49,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:49,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 118 [2021-11-07 01:36:49,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:36:49,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:36:49,996 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:50,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:50,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:50,084 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:50,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,220 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 129 [2021-11-07 01:36:50,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:36:50,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:36:50,225 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:50,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:50,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:50,241 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,295 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:36:50,317 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.5 percent of original size [2021-11-07 01:36:50,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 683 [2021-11-07 01:36:50,326 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:36:50,326 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:683 [2021-11-07 01:36:50,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,404 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:36:50,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:50,409 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:36:50,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:50,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:50,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:50,414 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,415 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:36:50,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:50,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:36:50,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:36:50,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:36:50,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:50,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:50,430 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,431 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:36:50,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:50,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:50,443 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:50,449 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:50,449 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:36:50,453 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:36:50,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:50,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,459 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-11-07 01:36:50,462 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-07 01:36:50,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:50,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,484 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:50,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:50,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:50,496 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:50,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:50,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,542 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:51,520 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:51,520 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:51,520 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 31 [2021-11-07 01:36:51,520 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226104852] [2021-11-07 01:36:51,521 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2021-11-07 01:36:51,521 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:51,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-11-07 01:36:51,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1204, Unknown=0, NotChecked=0, Total=1332 [2021-11-07 01:36:51,522 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:51,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:51,897 INFO L93 Difference]: Finished difference Result 41 states and 43 transitions. [2021-11-07 01:36:51,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-07 01:36:51,897 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:36:51,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:51,898 INFO L225 Difference]: With dead ends: 41 [2021-11-07 01:36:51,898 INFO L226 Difference]: Without dead ends: 39 [2021-11-07 01:36:51,899 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=195, Invalid=1697, Unknown=0, NotChecked=0, Total=1892 [2021-11-07 01:36:51,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-07 01:36:51,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 24. [2021-11-07 01:36:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:51,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2021-11-07 01:36:51,906 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 19 [2021-11-07 01:36:51,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:51,907 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2021-11-07 01:36:51,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 31 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:51,907 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2021-11-07 01:36:51,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 01:36:51,908 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:51,908 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 3, 3, 1, 1, 1, 1, 1] [2021-11-07 01:36:51,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:52,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable243 [2021-11-07 01:36:52,112 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:52,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:52,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1465539417, now seen corresponding path program 8 times [2021-11-07 01:36:52,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:52,113 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027647201] [2021-11-07 01:36:52,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:52,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:52,464 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:52,464 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:52,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027647201] [2021-11-07 01:36:52,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027647201] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:52,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088636320] [2021-11-07 01:36:52,464 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:36:52,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:52,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:52,465 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:52,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 01:36:52,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-07 01:36:52,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:36:52,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-07 01:36:52,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:52,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 01:36:52,909 INFO L354 Elim1Store]: treesize reduction 139, result has 18.2 percent of original size [2021-11-07 01:36:52,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 75 [2021-11-07 01:36:52,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 19 [2021-11-07 01:36:52,962 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 01:36:52,963 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 59 treesize of output 27 [2021-11-07 01:36:53,845 INFO L354 Elim1Store]: treesize reduction 13, result has 7.1 percent of original size [2021-11-07 01:36:53,846 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 60 treesize of output 34 [2021-11-07 01:36:53,895 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:53,895 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:54,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2021-11-07 01:36:54,187 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 87 treesize of output 83 [2021-11-07 01:36:54,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:54,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088636320] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:54,392 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1684016590] [2021-11-07 01:36:54,395 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:36:54,395 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:54,396 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:54,396 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:54,396 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:54,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:54,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:54,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:36:54,413 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_39|], 21=[|v_#valid_40|]} [2021-11-07 01:36:54,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,423 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 01:36:54,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:54,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:54,426 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:54,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:54,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,450 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 01:36:54,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:54,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:54,459 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:54,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:54,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:54,467 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:54,467 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:36:54,473 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:36:54,474 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:54,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:36:54,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:36:54,482 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_40|], 15=[|v_#valid_41|]} [2021-11-07 01:36:54,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,499 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:36:54,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:36:54,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:54,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:54,503 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:54,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:54,508 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:36:54,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:54,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:54,525 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:54,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:54,530 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:54,533 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:54,533 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:36:54,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:54,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:54,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:54,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:54,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:54,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:36:54,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:36:54,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:54,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:54,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:54,659 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:54,669 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:54,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:54,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:54,678 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:54,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:54,689 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,692 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-07 01:36:54,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-07 01:36:54,695 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:54,696 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-07 01:36:54,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:54,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:54,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:54,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,798 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:54,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:54,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,815 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-07 01:36:54,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:36:54,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-07 01:36:54,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 01:36:54,827 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:54,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:54,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:54,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:36:54,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-11-07 01:36:54,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:54,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-07 01:36:54,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-07 01:36:54,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:36:54,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:54,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:54,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:36:54,967 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:54,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-07 01:36:55,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:55,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:55,100 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:55,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,249 INFO L244 Elim1Store]: Index analysis took 124 ms [2021-11-07 01:36:55,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-07 01:36:55,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:36:55,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:36:55,286 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:55,302 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:55,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:55,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:55,305 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:55,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,389 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:36:55,423 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-07 01:36:55,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-07 01:36:55,436 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:36:55,436 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-07 01:36:55,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,529 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:36:55,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:55,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:55,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:55,535 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:36:55,536 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:55,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,538 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:55,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:36:55,540 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:55,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:55,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:55,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:55,542 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:36:55,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:55,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:55,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:36:55,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:36:55,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:36:55,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:55,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:55,561 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:55,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,574 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 16 treesize of output 12 [2021-11-07 01:36:55,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:55,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:55,576 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:55,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:36:55,587 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:55,588 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:36:55,595 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:36:55,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:55,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:36:55,607 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-07 01:36:55,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:36:55,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:36:55,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-07 01:36:55,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,704 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:55,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:55,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:36:55,723 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:36:55,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:55,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:55,767 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:57,118 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:57,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:57,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 34 [2021-11-07 01:36:57,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009442264] [2021-11-07 01:36:57,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-07 01:36:57,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:57,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-07 01:36:57,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1422, Unknown=1, NotChecked=0, Total=1560 [2021-11-07 01:36:57,121 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 34 states, 34 states have (on average 1.6176470588235294) internal successors, (55), 34 states have internal predecessors, (55), 0 states have call successors, (0), 0 states 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 01:37:02,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:37:02,449 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2021-11-07 01:37:02,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 01:37:02,450 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 1.6176470588235294) internal successors, (55), 34 states have internal predecessors, (55), 0 states have call successors, (0), 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 01:37:02,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:37:02,451 INFO L225 Difference]: With dead ends: 49 [2021-11-07 01:37:02,451 INFO L226 Difference]: Without dead ends: 47 [2021-11-07 01:37:02,453 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 912 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=498, Invalid=3791, Unknown=1, NotChecked=0, Total=4290 [2021-11-07 01:37:02,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-07 01:37:02,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 23. [2021-11-07 01:37:02,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 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 01:37:02,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2021-11-07 01:37:02,460 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2021-11-07 01:37:02,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:37:02,461 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2021-11-07 01:37:02,461 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1.6176470588235294) internal successors, (55), 34 states have internal predecessors, (55), 0 states have call successors, (0), 0 states 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 01:37:02,461 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2021-11-07 01:37:02,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-07 01:37:02,462 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:37:02,462 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1] [2021-11-07 01:37:02,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:37:02,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable273,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:02,664 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:37:02,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:37:02,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1267911567, now seen corresponding path program 9 times [2021-11-07 01:37:02,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:37:02,665 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741614582] [2021-11-07 01:37:02,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:37:02,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:37:02,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:37:02,783 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:02,784 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:37:02,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741614582] [2021-11-07 01:37:02,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741614582] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:37:02,784 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114215809] [2021-11-07 01:37:02,785 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:37:02,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:02,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:37:02,786 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:37:02,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 01:37:03,094 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:37:03,094 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:37:03,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 01:37:03,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:37:03,277 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:03,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:37:03,364 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:03,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114215809] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:37:03,364 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [884741061] [2021-11-07 01:37:03,366 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:37:03,366 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:37:03,366 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:37:03,366 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:37:03,366 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:37:03,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:03,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:03,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:37:03,379 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_42|], 21=[|v_#valid_43|]} [2021-11-07 01:37:03,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,392 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 01:37:03,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:03,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:03,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:03,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:03,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,418 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 01:37:03,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:03,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:03,423 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:03,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:03,428 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:37:03,432 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:03,432 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:37:03,439 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:37:03,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:37:03,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:03,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:37:03,449 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_43|], 15=[|v_#valid_44|]} [2021-11-07 01:37:03,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,470 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:37:03,470 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:37:03,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:37:03,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:37:03,474 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:03,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:03,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,499 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:37:03,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:03,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:03,503 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:03,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:03,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:37:03,517 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:03,517 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:37:03,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:37:03,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:37:03,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:37:03,539 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:37:03,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-07 01:37:03,542 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:37:03,547 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.7 percent of original size 228 [2021-11-07 01:37:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 109 [2021-11-07 01:37:03,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:37:03,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:37:03,588 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:03,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:03,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,599 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-07 01:37:03,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-07 01:37:03,603 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:03,603 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:208, output treesize:205 [2021-11-07 01:37:03,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:03,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:03,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:03,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:03,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:03,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:37:03,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:03,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:37:03,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:37:03,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:37:03,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 01:37:03,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 221 [2021-11-07 01:37:03,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:37:03,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 501 [2021-11-07 01:37:03,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:03,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-07 01:37:03,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-07 01:37:03,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:37:03,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:03,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:03,888 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:03,905 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:37:03,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:03,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:03,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:03,907 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:03,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:03,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:03,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 129 [2021-11-07 01:37:04,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:37:04,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:37:04,033 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:04,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:04,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 118 [2021-11-07 01:37:04,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:37:04,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:37:04,106 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:04,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,153 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:37:04,184 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.5 percent of original size [2021-11-07 01:37:04,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 683 [2021-11-07 01:37:04,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:37:04,196 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:683 [2021-11-07 01:37:04,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,289 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:37:04,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:04,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,292 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:04,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:04,294 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:37:04,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:04,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:04,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:37:04,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:04,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:04,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:04,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:04,300 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:37:04,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:04,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:04,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:37:04,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:37:04,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:04,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:37:04,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:04,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:04,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:04,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,332 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:37:04,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:04,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:04,333 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:04,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:37:04,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:04,342 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:37:04,347 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:37:04,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:04,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:37:04,369 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-07 01:37:04,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:37:04,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:37:04,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-07 01:37:04,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,470 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:37:04,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:37:04,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:04,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:37:04,486 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:37:04,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:37:04,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:04,517 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:37:05,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:37:05,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:37:05,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2021-11-07 01:37:05,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148912883] [2021-11-07 01:37:05,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-07 01:37:05,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:37:05,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-07 01:37:05,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=488, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:37:05,461 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 0 states have call successors, (0), 0 states 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 01:37:05,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:37:05,565 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-11-07 01:37:05,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:37:05,565 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 0 states have call successors, (0), 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 22 [2021-11-07 01:37:05,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:37:05,566 INFO L225 Difference]: With dead ends: 48 [2021-11-07 01:37:05,566 INFO L226 Difference]: Without dead ends: 30 [2021-11-07 01:37:05,566 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=158, Invalid=654, Unknown=0, NotChecked=0, Total=812 [2021-11-07 01:37:05,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-07 01:37:05,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-11-07 01:37:05,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:05,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2021-11-07 01:37:05,574 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2021-11-07 01:37:05,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:37:05,574 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2021-11-07 01:37:05,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 0 states have call successors, (0), 0 states 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 01:37:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2021-11-07 01:37:05,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-07 01:37:05,575 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:37:05,575 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1] [2021-11-07 01:37:05,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:37:05,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable311 [2021-11-07 01:37:05,776 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:37:05,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:37:05,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1547485083, now seen corresponding path program 10 times [2021-11-07 01:37:05,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:37:05,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601277669] [2021-11-07 01:37:05,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:37:05,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:37:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:37:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:06,050 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:37:06,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601277669] [2021-11-07 01:37:06,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601277669] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:37:06,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303166685] [2021-11-07 01:37:06,050 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:37:06,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:06,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:37:06,051 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:37:06,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 01:37:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:37:06,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-07 01:37:06,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:37:06,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-11-07 01:37:06,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 28 [2021-11-07 01:37:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:06,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:37:07,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2021-11-07 01:37:07,145 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 32 treesize of output 28 [2021-11-07 01:37:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:07,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303166685] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:37:07,325 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1468746018] [2021-11-07 01:37:07,327 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:37:07,327 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:37:07,327 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:37:07,328 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:37:07,328 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:37:07,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:07,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:07,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:37:07,353 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_45|], 21=[|v_#valid_46|]} [2021-11-07 01:37:07,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,363 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 01:37:07,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:07,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:07,365 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:07,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:07,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,389 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 01:37:07,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:07,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:07,394 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:07,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:07,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:37:07,403 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:07,403 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:37:07,412 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:37:07,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:07,415 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:37:07,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:37:07,421 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_46|], 15=[|v_#valid_47|]} [2021-11-07 01:37:07,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,443 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:37:07,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:37:07,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:37:07,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:37:07,448 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:07,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:07,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:37:07,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:07,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:07,479 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:07,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:07,486 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:37:07,492 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:07,492 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:37:07,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:07,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:07,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:37:07,512 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:07,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:37:07,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:37:07,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:37:07,534 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:37:07,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:07,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:07,537 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:07,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,568 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:37:07,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:07,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:07,574 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:07,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:07,583 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,587 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-07 01:37:07,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-07 01:37:07,591 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:07,591 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-07 01:37:07,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:07,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:07,632 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:07,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:07,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:07,691 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,697 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-07 01:37:07,710 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:37:07,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-07 01:37:07,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 01:37:07,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:37:07,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:07,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:37:07,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:37:07,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-11-07 01:37:07,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:07,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-07 01:37:07,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-07 01:37:07,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,859 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-07 01:37:07,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:37:07,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:37:07,865 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:07,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:07,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-07 01:37:07,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:37:07,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:07,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:37:07,976 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:08,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:37:08,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:08,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:08,073 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:08,097 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:37:08,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:08,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:08,100 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:08,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,165 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:37:08,190 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-07 01:37:08,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-07 01:37:08,200 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:37:08,200 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-07 01:37:08,206 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,273 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:37:08,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:08,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:08,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:08,279 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:37:08,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:08,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:08,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:37:08,284 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:08,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:08,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:08,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:08,288 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:37:08,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:08,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:08,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:37:08,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:37:08,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:08,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:37:08,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:08,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:08,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:08,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:37:08,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:08,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:08,323 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:08,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,329 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:37:08,334 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:08,334 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:37:08,341 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:37:08,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:08,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:37:08,352 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-07 01:37:08,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:37:08,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:37:08,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-07 01:37:08,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,465 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:37:08,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:37:08,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:08,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:37:08,486 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:37:08,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:37:08,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:08,541 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:37:10,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:37:10,004 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:37:10,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 37 [2021-11-07 01:37:10,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72863687] [2021-11-07 01:37:10,005 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-07 01:37:10,005 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:37:10,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-07 01:37:10,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=1671, Unknown=0, NotChecked=0, Total=1806 [2021-11-07 01:37:10,007 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 37 states, 37 states have (on average 1.7297297297297298) internal successors, (64), 37 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 01:37:10,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:37:10,690 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2021-11-07 01:37:10,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-07 01:37:10,691 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.7297297297297298) internal successors, (64), 37 states have internal predecessors, (64), 0 states have call successors, (0), 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 23 [2021-11-07 01:37:10,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:37:10,691 INFO L225 Difference]: With dead ends: 48 [2021-11-07 01:37:10,691 INFO L226 Difference]: Without dead ends: 46 [2021-11-07 01:37:10,692 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=239, Invalid=2623, Unknown=0, NotChecked=0, Total=2862 [2021-11-07 01:37:10,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-11-07 01:37:10,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 28. [2021-11-07 01:37:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:10,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2021-11-07 01:37:10,703 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 23 [2021-11-07 01:37:10,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:37:10,704 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2021-11-07 01:37:10,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.7297297297297298) internal successors, (64), 37 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 01:37:10,704 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-11-07 01:37:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:37:10,705 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:37:10,705 INFO L513 BasicCegarLoop]: trace histogram [6, 5, 4, 4, 1, 1, 1, 1, 1] [2021-11-07 01:37:10,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-11-07 01:37:10,906 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable350,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:10,906 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:37:10,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:37:10,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1369531983, now seen corresponding path program 11 times [2021-11-07 01:37:10,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:37:10,907 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909331282] [2021-11-07 01:37:10,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:37:10,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:37:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:37:11,202 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:11,202 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:37:11,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909331282] [2021-11-07 01:37:11,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909331282] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:37:11,202 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901179783] [2021-11-07 01:37:11,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:37:11,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:11,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:37:11,215 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:37:11,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 01:37:11,655 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-11-07 01:37:11,655 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:37:11,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-07 01:37:11,665 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:37:11,841 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:37:11,977 INFO L354 Elim1Store]: treesize reduction 169, result has 18.0 percent of original size [2021-11-07 01:37:11,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 81 [2021-11-07 01:37:12,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:12,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 23 [2021-11-07 01:37:12,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:12,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 30 [2021-11-07 01:37:12,986 INFO L354 Elim1Store]: treesize reduction 48, result has 5.9 percent of original size [2021-11-07 01:37:12,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 45 [2021-11-07 01:37:13,058 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 22 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:13,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:37:14,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2021-11-07 01:37:14,666 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 108 treesize of output 102 [2021-11-07 01:37:15,081 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:15,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901179783] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:37:15,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1456585583] [2021-11-07 01:37:15,083 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:37:15,083 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:37:15,084 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:37:15,084 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:37:15,084 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:37:15,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:15,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:15,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:37:15,102 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_48|], 21=[|v_#valid_49|]} [2021-11-07 01:37:15,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,114 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 01:37:15,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:15,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:15,117 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,144 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 01:37:15,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:15,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:15,149 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,154 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:37:15,158 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,158 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:37:15,165 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:37:15,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:37:15,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:15,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:37:15,174 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_49|], 15=[|v_#valid_50|]} [2021-11-07 01:37:15,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,195 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:37:15,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:37:15,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:37:15,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:37:15,199 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:37:15,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:15,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:15,236 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:37:15,277 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,278 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:37:15,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:15,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:15,295 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,297 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:37:15,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:15,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:37:15,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:37:15,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:37:15,327 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:37:15,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:15,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:15,329 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:37:15,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:15,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:15,371 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,386 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-07 01:37:15,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-07 01:37:15,390 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,391 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-07 01:37:15,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,454 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:15,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:15,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,476 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:37:15,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:37:15,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 448 [2021-11-07 01:37:15,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 429 [2021-11-07 01:37:15,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:15,497 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-07 01:37:15,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-07 01:37:15,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 436 [2021-11-07 01:37:15,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 877 [2021-11-07 01:37:15,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-07 01:37:15,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-07 01:37:15,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-07 01:37:15,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:37:15,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:37:15,639 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-07 01:37:15,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:37:15,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:37:15,730 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:15,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:37:15,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:15,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:15,817 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,829 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:37:15,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:15,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:15,830 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:15,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,886 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:37:15,902 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-07 01:37:15,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-07 01:37:15,908 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:37:15,908 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-07 01:37:15,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:15,966 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:37:15,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:15,972 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:37:15,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,975 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:37:15,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:15,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:15,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,980 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:37:15,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:15,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:15,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:15,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:37:15,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:37:16,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:37:16,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:16,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:16,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:16,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:16,005 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:16,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:16,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:16,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:16,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:37:16,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:16,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:16,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:16,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:16,025 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:16,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:16,029 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:16,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:16,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:37:16,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:16,032 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:37:16,037 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:37:16,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:16,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:16,053 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-11-07 01:37:16,057 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-07 01:37:16,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:37:16,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:16,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:16,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:16,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:16,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:16,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:16,089 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:37:16,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:37:16,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:16,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:37:16,108 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:37:16,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:37:16,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:16,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:16,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:16,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:16,149 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:37:17,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:37:17,717 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:37:17,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 40 [2021-11-07 01:37:17,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680027179] [2021-11-07 01:37:17,717 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2021-11-07 01:37:17,718 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:37:17,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-11-07 01:37:17,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1828, Unknown=1, NotChecked=0, Total=2070 [2021-11-07 01:37:17,719 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 40 states, 40 states have (on average 1.675) internal successors, (67), 40 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:53,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:37:53,234 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2021-11-07 01:37:53,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2021-11-07 01:37:53,235 INFO L78 Accepts]: Start accepts. Automaton has has 40 states, 40 states have (on average 1.675) internal successors, (67), 40 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:37:53,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:37:53,236 INFO L225 Difference]: With dead ends: 82 [2021-11-07 01:37:53,236 INFO L226 Difference]: Without dead ends: 27 [2021-11-07 01:37:53,240 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3013 ImplicationChecksByTransitivity, 32.2s TimeCoverageRelationStatistics Valid=1583, Invalid=10385, Unknown=22, NotChecked=0, Total=11990 [2021-11-07 01:37:53,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-07 01:37:53,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-07 01:37:53,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 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 01:37:53,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2021-11-07 01:37:53,251 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 24 [2021-11-07 01:37:53,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:37:53,251 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2021-11-07 01:37:53,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 1.675) internal successors, (67), 40 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:53,252 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2021-11-07 01:37:53,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-07 01:37:53,253 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:37:53,253 INFO L513 BasicCegarLoop]: trace histogram [8, 5, 4, 4, 1, 1, 1, 1, 1] [2021-11-07 01:37:53,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:37:53,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable388 [2021-11-07 01:37:53,469 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:37:53,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:37:53,469 INFO L85 PathProgramCache]: Analyzing trace with hash -242503951, now seen corresponding path program 12 times [2021-11-07 01:37:53,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:37:53,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027914431] [2021-11-07 01:37:53,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:37:53,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:37:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:37:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:53,994 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:37:53,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027914431] [2021-11-07 01:37:53,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027914431] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:37:53,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895471032] [2021-11-07 01:37:53,994 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:37:53,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:53,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:37:54,000 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:37:54,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 01:37:54,424 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:37:54,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:37:54,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-07 01:37:54,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:37:54,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 01:37:54,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:54,722 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2021-11-07 01:37:54,779 INFO L354 Elim1Store]: treesize reduction 84, result has 20.8 percent of original size [2021-11-07 01:37:54,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 50 [2021-11-07 01:37:55,226 INFO L354 Elim1Store]: treesize reduction 415, result has 18.9 percent of original size [2021-11-07 01:37:55,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 101 treesize of output 158 [2021-11-07 01:37:55,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,304 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:55,304 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 149 treesize of output 117 [2021-11-07 01:37:55,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:55,479 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:55,480 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 60 [2021-11-07 01:37:56,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:56,965 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:37:56,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 14 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 160 treesize of output 134 [2021-11-07 01:37:57,237 INFO L354 Elim1Store]: treesize reduction 454, result has 14.7 percent of original size [2021-11-07 01:37:57,237 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 172 treesize of output 147 [2021-11-07 01:38:07,380 INFO L354 Elim1Store]: treesize reduction 212, result has 12.0 percent of original size [2021-11-07 01:38:07,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 150 treesize of output 100 [2021-11-07 01:38:07,459 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:38:07,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:10,110 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~val1~0 Int) (v_ULTIMATE.start_main_~i~0_328 Int) (v_ULTIMATE.start_main_~i~0_327 Int)) (or (< v_ULTIMATE.start_main_~i~0_327 (+ v_ULTIMATE.start_main_~i~0_328 1)) (<= c_ULTIMATE.start_main_~low~0 (select (store (let ((.cse1 (* v_ULTIMATE.start_main_~i~0_328 4))) (store (store (let ((.cse0 (* c_ULTIMATE.start_main_~i~0 4))) (store (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 4 .cse0) ULTIMATE.start_main_~val1~0) (+ c_ULTIMATE.start_main_~a~0.offset .cse0) c_ULTIMATE.start_main_~val2~0)) (+ c_ULTIMATE.start_main_~a~0.offset 4 .cse1) ULTIMATE.start_main_~val1~0) (+ c_ULTIMATE.start_main_~a~0.offset .cse1) c_ULTIMATE.start_main_~val2~0)) (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_327 4)) c_ULTIMATE.start_main_~val2~0) (+ c_ULTIMATE.start_main_~a~0.offset 16))) (< v_ULTIMATE.start_main_~i~0_328 (+ c_ULTIMATE.start_main_~i~0 1)))) is different from false [2021-11-07 01:38:10,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 67 [2021-11-07 01:38:10,132 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 3229 treesize of output 3221 [2021-11-07 01:38:15,315 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2021-11-07 01:38:15,315 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895471032] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:38:15,315 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1170844291] [2021-11-07 01:38:15,317 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:38:15,317 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:38:15,317 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:38:15,318 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:38:15,318 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:38:15,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,325 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:38:15,327 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:38:15,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:38:15,332 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_51|], 21=[|v_#valid_52|]} [2021-11-07 01:38:15,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,341 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 01:38:15,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:38:15,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:38:15,343 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:15,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:15,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:38:15,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:38:15,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:38:15,366 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:15,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:15,369 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:38:15,372 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:38:15,372 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:38:15,376 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:38:15,377 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:38:15,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:38:15,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:38:15,383 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_52|], 15=[|v_#valid_53|]} [2021-11-07 01:38:15,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,401 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:38:15,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:38:15,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:38:15,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:38:15,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:15,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:15,409 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:38:15,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:38:15,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:38:15,427 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:15,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:15,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:38:15,435 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:38:15,435 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:38:15,438 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:38:15,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:38:15,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:38:15,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:38:15,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:38:15,450 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:38:15,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 247 [2021-11-07 01:38:15,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:38:15,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:38:15,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:38:15,543 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:15,552 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:38:15,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:38:15,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:38:15,554 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:15,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:15,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,562 INFO L180 QuantifierPusher]: treesize reduction 7, result has 96.8 percent of original size [2021-11-07 01:38:15,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 215 [2021-11-07 01:38:15,564 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:38:15,564 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:439, output treesize:215 [2021-11-07 01:38:15,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:15,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:15,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:15,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:38:15,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:38:15,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,659 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,661 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:38:15,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-07 01:38:15,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 237 [2021-11-07 01:38:15,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-07 01:38:15,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:38:15,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:38:15,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:38:15,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:38:15,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 514 [2021-11-07 01:38:15,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:15,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 462 [2021-11-07 01:38:15,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 550 [2021-11-07 01:38:15,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:38:15,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:38:15,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:38:15,819 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:15,832 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:38:15,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:38:15,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:38:15,834 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:15,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 123 [2021-11-07 01:38:15,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:38:15,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:38:15,953 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:15,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:16,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 134 [2021-11-07 01:38:16,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,012 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:38:16,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 104 [2021-11-07 01:38:16,013 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:16,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,064 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:38:16,079 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.7 percent of original size [2021-11-07 01:38:16,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 693 [2021-11-07 01:38:16,085 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:38:16,085 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1249, output treesize:693 [2021-11-07 01:38:16,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,142 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:38:16,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:16,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:16,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:38:16,147 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:38:16,147 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:16,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:16,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:38:16,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:16,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:38:16,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:38:16,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:16,151 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:38:16,152 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:16,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:38:16,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:38:16,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:38:16,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:38:16,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:38:16,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:38:16,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:16,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:16,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:38:16,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:38:16,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:38:16,179 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:16,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:38:16,191 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:38:16,191 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:38:16,196 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:38:16,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:38:16,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,201 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size 83 [2021-11-07 01:38:16,203 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.5 percent of original size [2021-11-07 01:38:16,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:38:16,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,225 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:38:16,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:38:16,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:16,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:38:16,239 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:38:16,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:38:16,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:16,297 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:38:17,907 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:38:17,907 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:38:17,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 46 [2021-11-07 01:38:17,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873695772] [2021-11-07 01:38:17,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2021-11-07 01:38:17,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:38:17,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2021-11-07 01:38:17,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=2374, Unknown=1, NotChecked=98, Total=2652 [2021-11-07 01:38:17,911 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 46 states, 46 states have (on average 1.5869565217391304) internal successors, (73), 46 states have internal predecessors, (73), 0 states have call successors, (0), 0 states 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 01:38:40,211 WARN L207 SmtUtils]: Spent 19.42 s on a formula simplification. DAG size of input: 103 DAG size of output: 74 [2021-11-07 01:40:09,838 WARN L207 SmtUtils]: Spent 20.88 s on a formula simplification. DAG size of input: 112 DAG size of output: 74 [2021-11-07 01:40:11,857 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse24 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base))) (let ((.cse20 (select .cse24 (+ c_ULTIMATE.start_main_~a~0.offset 16))) (.cse21 (= 2 c_ULTIMATE.start_main_~low~0)) (.cse22 (<= 3 c_ULTIMATE.start_main_~val2~0))) (and (<= c_ULTIMATE.start_main_~i~0 1) (exists ((v_ULTIMATE.start_main_~i~0_313 Int) (v_ULTIMATE.start_main_~i~0_314 Int) (v_ULTIMATE.start_main_~i~0_315 Int)) (let ((.cse9 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse10 (* v_ULTIMATE.start_main_~i~0_315 4))) (let ((.cse0 (+ v_ULTIMATE.start_main_~i~0_315 1)) (.cse13 (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset .cse10)))) (and (< v_ULTIMATE.start_main_~i~0_315 c_~SIZE~0) (<= (+ v_ULTIMATE.start_main_~i~0_314 1) v_ULTIMATE.start_main_~i~0_315) (<= c_ULTIMATE.start_main_~i~0 .cse0) (<= (+ v_ULTIMATE.start_main_~i~0_313 1) v_ULTIMATE.start_main_~i~0_314) (<= 5 v_ULTIMATE.start_main_~i~0_313) (let ((.cse11 (* v_ULTIMATE.start_main_~i~0_314 4)) (.cse12 (* 4 v_ULTIMATE.start_main_~i~0_314)) (.cse14 (* v_ULTIMATE.start_main_~i~0_313 4))) (let ((.cse2 (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset .cse14 4))) (.cse4 (= (+ (* 4 v_ULTIMATE.start_main_~i~0_313) 4) .cse12)) (.cse5 (= (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset .cse11)) .cse13)) (.cse6 (= (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset .cse14)) .cse13)) (.cse7 (= (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset 16)) .cse13)) (.cse1 (= (* 4 v_ULTIMATE.start_main_~i~0_315) (+ .cse12 4))) (.cse3 (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset .cse11 4)))) (or (and (or .cse1 (= .cse2 .cse3) .cse4) .cse5 .cse6 (<= c_~SIZE~0 .cse0) .cse7) (let ((.cse8 (select .cse9 (+ c_ULTIMATE.start_main_~a~0.offset .cse10 4)))) (and (or (= .cse8 .cse2) .cse4) .cse5 .cse6 .cse7 (or .cse1 (= .cse8 .cse3))))))) (<= 3 .cse13))))) (exists ((v_ULTIMATE.start_main_~i~0_313 Int) (v_ULTIMATE.start_main_~i~0_314 Int) (v_ULTIMATE.start_main_~i~0_315 Int)) (let ((.cse16 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base))) (let ((.cse18 (* v_ULTIMATE.start_main_~i~0_314 4)) (.cse17 (* v_ULTIMATE.start_main_~i~0_313 4)) (.cse19 (select .cse16 (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_315 4))))) (and (<= (+ v_ULTIMATE.start_main_~i~0_314 1) v_ULTIMATE.start_main_~i~0_315) (<= (+ v_ULTIMATE.start_main_~i~0_313 1) v_ULTIMATE.start_main_~i~0_314) (<= 5 v_ULTIMATE.start_main_~i~0_313) (let ((.cse15 (* 4 v_ULTIMATE.start_main_~i~0_314))) (or (= (* 4 v_ULTIMATE.start_main_~i~0_315) (+ .cse15 4)) (= (select .cse16 (+ c_ULTIMATE.start_main_~a~0.offset .cse17 4)) (select .cse16 (+ c_ULTIMATE.start_main_~a~0.offset .cse18 4))) (= (+ (* 4 v_ULTIMATE.start_main_~i~0_313) 4) .cse15))) (= (select .cse16 (+ c_ULTIMATE.start_main_~a~0.offset .cse18)) .cse19) (= (select .cse16 (+ c_ULTIMATE.start_main_~a~0.offset .cse17)) .cse19) (<= 3 .cse19) (= (select .cse16 (+ c_ULTIMATE.start_main_~a~0.offset 16)) .cse19))))) (<= 1 c_ULTIMATE.start_main_~i~0) (= c_ULTIMATE.start_main_~i~0 1) (or (and (<= 3 .cse20) .cse21) (<= (+ c_ULTIMATE.start_main_~i~0 1) c_~SIZE~0)) .cse21 (<= c_ULTIMATE.start_main_~low~0 2) (or (<= c_~SIZE~0 c_ULTIMATE.start_main_~i~0) (and (= c_ULTIMATE.start_main_~val2~0 .cse20) .cse21 .cse22 (not (= (* 4 c_ULTIMATE.start_main_~i~0) 16)))) (forall ((v_ULTIMATE.start_main_~i~0_327 Int)) (or (< (+ v_ULTIMATE.start_main_~i~0_327 1) c_~SIZE~0) (< v_ULTIMATE.start_main_~i~0_327 (+ c_ULTIMATE.start_main_~i~0 1)) (<= c_~SIZE~0 v_ULTIMATE.start_main_~i~0_327) (<= c_ULTIMATE.start_main_~low~0 (select (store (let ((.cse23 (* c_ULTIMATE.start_main_~i~0 4))) (store (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset 4 .cse23) c_ULTIMATE.start_main_~val1~0) (+ c_ULTIMATE.start_main_~a~0.offset .cse23) c_ULTIMATE.start_main_~val2~0)) (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_327 4)) c_ULTIMATE.start_main_~val2~0) (+ c_ULTIMATE.start_main_~a~0.offset 16))))) (<= 3 (select .cse24 (+ c_ULTIMATE.start_main_~a~0.offset 12 (* c_ULTIMATE.start_main_~i~0 4)))) .cse22))) is different from false [2021-11-07 01:40:54,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:40:54,195 INFO L93 Difference]: Finished difference Result 38 states and 39 transitions. [2021-11-07 01:40:54,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 01:40:54,195 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 1.5869565217391304) internal successors, (73), 46 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-07 01:40:54,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:40:54,196 INFO L225 Difference]: With dead ends: 38 [2021-11-07 01:40:54,196 INFO L226 Difference]: Without dead ends: 36 [2021-11-07 01:40:54,199 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 42 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 148.0s TimeCoverageRelationStatistics Valid=391, Invalid=4394, Unknown=53, NotChecked=274, Total=5112 [2021-11-07 01:40:54,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-11-07 01:40:54,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2021-11-07 01:40:54,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.0689655172413792) internal successors, (31), 29 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 01:40:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 31 transitions. [2021-11-07 01:40:54,214 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 31 transitions. Word has length 26 [2021-11-07 01:40:54,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:40:54,214 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 31 transitions. [2021-11-07 01:40:54,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 1.5869565217391304) internal successors, (73), 46 states have internal predecessors, (73), 0 states have call successors, (0), 0 states 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 01:40:54,215 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2021-11-07 01:40:54,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-07 01:40:54,216 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:40:54,216 INFO L513 BasicCegarLoop]: trace histogram [8, 6, 5, 5, 1, 1, 1, 1, 1] [2021-11-07 01:40:54,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2021-11-07 01:40:54,440 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable417,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:40:54,440 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:40:54,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:40:54,441 INFO L85 PathProgramCache]: Analyzing trace with hash -294935293, now seen corresponding path program 13 times [2021-11-07 01:40:54,441 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:40:54,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49605339] [2021-11-07 01:40:54,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:40:54,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:40:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:54,911 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:54,912 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:40:54,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49605339] [2021-11-07 01:40:54,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49605339] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:40:54,912 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [244945760] [2021-11-07 01:40:54,912 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:40:54,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:40:54,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:40:54,913 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:40:54,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2021-11-07 01:40:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:40:55,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-07 01:40:55,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:40:55,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-11-07 01:40:55,789 INFO L354 Elim1Store]: treesize reduction 139, result has 18.2 percent of original size [2021-11-07 01:40:55,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 75 [2021-11-07 01:40:55,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:55,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:55,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:55,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 16 [2021-11-07 01:40:55,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:55,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 16 [2021-11-07 01:40:56,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:56,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:56,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:56,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:56,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:56,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:40:56,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 51 [2021-11-07 01:40:56,170 INFO L354 Elim1Store]: treesize reduction 230, result has 19.3 percent of original size [2021-11-07 01:40:56,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 88 treesize of output 92 [2021-11-07 01:40:58,459 INFO L354 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2021-11-07 01:40:58,460 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 86 treesize of output 42 [2021-11-07 01:40:58,532 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:40:58,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:41:05,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 47 [2021-11-07 01:41:05,265 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 396 treesize of output 392 [2021-11-07 01:41:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:05,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [244945760] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:41:05,916 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [894268513] [2021-11-07 01:41:05,918 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:41:05,918 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:41:05,918 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:41:05,919 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:41:05,919 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:41:05,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:05,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:05,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:05,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:41:05,931 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:05,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:05,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:41:05,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 182 [2021-11-07 01:41:05,935 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_54|], 21=[|v_#valid_55|]} [2021-11-07 01:41:05,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:05,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:05,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:05,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:41:05,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:05,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:41:05,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:05,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:41:05,962 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:41:05,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:05,965 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:05,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:05,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:05,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:05,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:05,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:05,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:05,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:05,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:05,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:05,983 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 01:41:05,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:05,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:41:05,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:05,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:41:05,987 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:41:05,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:05,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:05,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:05,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:41:05,993 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:41:05,994 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:179, output treesize:154 [2021-11-07 01:41:05,998 INFO L180 QuantifierPusher]: treesize reduction 5, result has 97.5 percent of original size [2021-11-07 01:41:05,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:05,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:41:06,000 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:41:06,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:41:06,006 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_55|], 15=[|v_#valid_56|]} [2021-11-07 01:41:06,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,044 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:41:06,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 32 [2021-11-07 01:41:06,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:41:06,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:41:06,047 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:41:06,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,052 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 41 [2021-11-07 01:41:06,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:41:06,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:41:06,072 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:41:06,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,077 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:41:06,080 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:41:06,080 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:196, output treesize:189 [2021-11-07 01:41:06,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:41:06,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:41:06,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:41:06,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:41:06,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-07 01:41:06,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-11-07 01:41:06,117 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.7 percent of original size 228 [2021-11-07 01:41:06,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 109 [2021-11-07 01:41:06,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:41:06,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:41:06,165 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:41:06,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,177 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.6 percent of original size [2021-11-07 01:41:06,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 205 [2021-11-07 01:41:06,181 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:41:06,181 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:208, output treesize:205 [2021-11-07 01:41:06,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:41:06,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:41:06,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-11-07 01:41:06,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:41:06,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-07 01:41:06,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 423 [2021-11-07 01:41:06,296 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,300 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-07 01:41:06,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:41:06,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 435 [2021-11-07 01:41:06,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 416 [2021-11-07 01:41:06,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 851 [2021-11-07 01:41:06,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 449 [2021-11-07 01:41:06,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 537 [2021-11-07 01:41:06,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,352 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:41:06,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 23 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 118 [2021-11-07 01:41:06,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:41:06,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:41:06,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:41:06,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 24 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 116 [2021-11-07 01:41:06,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:41:06,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:41:06,559 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:41:06,572 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:41:06,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:41:06,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:41:06,574 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:41:06,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:41:06,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 26 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 129 [2021-11-07 01:41:06,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:41:06,642 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:41:06,643 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:41:06,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,701 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.0 percent of original size [2021-11-07 01:41:06,716 INFO L180 QuantifierPusher]: treesize reduction 222, result has 75.5 percent of original size [2021-11-07 01:41:06,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 683 [2021-11-07 01:41:06,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-11-07 01:41:06,723 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 1 variables, input treesize:1233, output treesize:683 [2021-11-07 01:41:06,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,793 INFO L180 QuantifierPusher]: treesize reduction 60, result has 64.5 percent of original size [2021-11-07 01:41:06,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,796 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:41:06,799 INFO L185 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-11-07 01:41:06,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,801 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-07 01:41:06,802 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:41:06,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:41:06,804 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,804 INFO L180 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-11-07 01:41:06,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:41:06,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:41:06,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:41:06,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-07 01:41:06,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:41:06,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 24 [2021-11-07 01:41:06,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:41:06,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:41:06,824 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:41:06,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,828 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,835 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:41:06,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:41:06,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:41:06,841 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:41:06,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,855 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:41:06,860 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:41:06,860 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:158, output treesize:154 [2021-11-07 01:41:06,869 INFO L180 QuantifierPusher]: treesize reduction 61, result has 49.2 percent of original size [2021-11-07 01:41:06,871 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:41:06,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:41:06,880 INFO L180 QuantifierPusher]: treesize reduction 7, result has 94.8 percent of original size [2021-11-07 01:41:06,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:41:06,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:41:06,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 188 [2021-11-07 01:41:06,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:06,982 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:41:06,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:41:06,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:41:06,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:41:07,006 INFO L180 QuantifierPusher]: treesize reduction 60, result has 55.2 percent of original size [2021-11-07 01:41:07,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:41:07,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:07,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:07,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:07,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:41:07,033 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:41:09,011 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:41:09,011 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:41:09,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 49 [2021-11-07 01:41:09,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831550875] [2021-11-07 01:41:09,012 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2021-11-07 01:41:09,012 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:41:09,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-11-07 01:41:09,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=2782, Unknown=3, NotChecked=0, Total=2970 [2021-11-07 01:41:09,014 INFO L87 Difference]: Start difference. First operand 30 states and 31 transitions. Second operand has 49 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 49 states have internal predecessors, (82), 0 states have call successors, (0), 0 states 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 01:41:58,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:41:58,772 INFO L93 Difference]: Finished difference Result 46 states and 47 transitions. [2021-11-07 01:41:58,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-07 01:41:58,773 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 49 states have internal predecessors, (82), 0 states have call successors, (0), 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 29 [2021-11-07 01:41:58,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:41:58,773 INFO L225 Difference]: With dead ends: 46 [2021-11-07 01:41:58,774 INFO L226 Difference]: Without dead ends: 44 [2021-11-07 01:41:58,776 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 57.9s TimeCoverageRelationStatistics Valid=519, Invalid=5450, Unknown=37, NotChecked=0, Total=6006 [2021-11-07 01:41:58,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-07 01:41:58,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 33. [2021-11-07 01:41:58,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.0625) internal successors, (34), 32 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 01:41:58,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2021-11-07 01:41:58,788 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 29 [2021-11-07 01:41:58,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:41:58,789 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2021-11-07 01:41:58,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 49 states have internal predecessors, (82), 0 states have call successors, (0), 0 states 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 01:41:58,789 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2021-11-07 01:41:58,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-07 01:41:58,790 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:41:58,790 INFO L513 BasicCegarLoop]: trace histogram [8, 7, 6, 6, 1, 1, 1, 1, 1] [2021-11-07 01:41:58,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2021-11-07 01:41:58,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable446,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:41:58,991 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:41:58,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:41:58,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1091050929, now seen corresponding path program 14 times [2021-11-07 01:41:58,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:41:58,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039705881] [2021-11-07 01:41:58,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:41:58,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:41:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:41:59,550 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:41:59,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039705881] [2021-11-07 01:41:59,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039705881] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:41:59,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351387544] [2021-11-07 01:41:59,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:41:59,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:41:59,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:41:59,557 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:41:59,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa4406b3-5809-49a6-9a84-6dc2a64f4e28/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2021-11-07 01:42:00,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-11-07 01:42:00,474 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:42:00,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-07 01:42:00,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:42:00,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select 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 01:42:00,693 INFO L354 Elim1Store]: treesize reduction 171, result has 17.4 percent of original size [2021-11-07 01:42:00,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 78 [2021-11-07 01:42:00,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:00,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 16 [2021-11-07 01:42:00,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:00,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:00,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:00,765 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 22 [2021-11-07 01:42:01,009 INFO L354 Elim1Store]: treesize reduction 206, result has 16.9 percent of original size [2021-11-07 01:42:01,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 66 treesize of output 84 [2021-11-07 01:42:01,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2021-11-07 01:42:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 17 [2021-11-07 01:42:01,569 INFO L354 Elim1Store]: treesize reduction 514, result has 10.8 percent of original size [2021-11-07 01:42:01,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 114 treesize of output 128 [2021-11-07 01:42:01,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 32 [2021-11-07 01:42:01,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:01,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 38 [2021-11-07 01:42:02,107 INFO L354 Elim1Store]: treesize reduction 454, result has 14.7 percent of original size [2021-11-07 01:42:02,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 19 case distinctions, treesize of input 124 treesize of output 144 [2021-11-07 01:42:02,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 41 [2021-11-07 01:42:02,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 102 treesize of output 50 [2021-11-07 01:42:02,909 INFO L354 Elim1Store]: treesize reduction 596, result has 13.9 percent of original size [2021-11-07 01:42:02,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 142 treesize of output 168 [2021-11-07 01:42:02,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:02,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 90 treesize of output 50 [2021-11-07 01:42:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 62 [2021-11-07 01:42:03,709 INFO L354 Elim1Store]: treesize reduction 997, result has 10.4 percent of original size [2021-11-07 01:42:03,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 168 treesize of output 200 [2021-11-07 01:42:03,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 62 [2021-11-07 01:42:03,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:03,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 71 [2021-11-07 01:42:04,784 INFO L354 Elim1Store]: treesize reduction 916, result has 12.6 percent of original size [2021-11-07 01:42:04,785 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 43 case distinctions, treesize of input 156 treesize of output 186 [2021-11-07 01:42:04,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:04,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 80 [2021-11-07 01:42:05,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:42:05,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 99 [2021-11-07 01:42:06,937 INFO L354 Elim1Store]: treesize reduction 322, result has 0.3 percent of original size [2021-11-07 01:42:06,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 143 treesize of output 49 [2021-11-07 01:42:07,021 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:42:07,022 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:42:08,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 118 [2021-11-07 01:42:33,901 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 -67553994410557464 treesize of output -72057594037927960