./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s2lif.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_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/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_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/s2lif.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/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_71c165c0-035e-4912-ad8f-1fa46b8f86ca/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 b94168e93e7008f2fa8921a5a8a54bdf1fdce85df40220d4719fdc5076df164f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:13:54,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:13:54,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:13:54,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:13:54,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:13:54,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:13:54,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:13:54,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:13:54,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:13:54,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:13:54,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:13:54,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:13:54,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:13:54,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:13:54,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:13:54,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:13:54,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:13:54,816 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:13:54,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:13:54,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:13:54,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:13:54,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:13:54,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:13:54,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:13:54,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:13:54,853 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:13:54,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:13:54,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:13:54,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:13:54,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:13:54,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:13:54,863 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:13:54,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:13:54,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:13:54,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:13:54,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:13:54,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:13:54,873 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:13:54,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:13:54,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:13:54,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:13:54,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:13:54,936 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:13:54,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:13:54,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:13:54,939 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:13:54,940 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:13:54,940 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:13:54,940 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:13:54,941 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:13:54,941 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:13:54,941 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:13:54,943 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:13:54,943 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:13:54,944 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:13:54,944 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:13:54,944 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:13:54,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:13:54,946 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:13:54,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:13:54,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:13:54,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:13:54,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:13:54,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:13:54,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:13:54,948 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:13:54,949 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:13:54,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:13:54,949 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:13:54,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:13:54,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:13:54,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:13:54,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:13:54,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:13:54,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:13:54,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:13:54,953 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:13:54,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:13:54,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:13:54,954 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:13:54,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:13:54,954 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_71c165c0-035e-4912-ad8f-1fa46b8f86ca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b94168e93e7008f2fa8921a5a8a54bdf1fdce85df40220d4719fdc5076df164f [2021-11-07 01:13:55,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:13:55,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:13:55,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:13:55,469 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:13:55,470 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:13:55,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-fpi/s2lif.c [2021-11-07 01:13:55,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/data/31bd28675/07a7ccecd79b4f29b7d5ee7334360cea/FLAG3dab6d094 [2021-11-07 01:13:56,327 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:13:56,328 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/sv-benchmarks/c/array-fpi/s2lif.c [2021-11-07 01:13:56,344 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/data/31bd28675/07a7ccecd79b4f29b7d5ee7334360cea/FLAG3dab6d094 [2021-11-07 01:13:56,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/data/31bd28675/07a7ccecd79b4f29b7d5ee7334360cea [2021-11-07 01:13:56,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:13:56,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:13:56,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:13:56,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:13:56,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:13:56,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:13:56" (1/1) ... [2021-11-07 01:13:56,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20122b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:56, skipping insertion in model container [2021-11-07 01:13:56,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:13:56" (1/1) ... [2021-11-07 01:13:56,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:13:56,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:13:56,956 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_71c165c0-035e-4912-ad8f-1fa46b8f86ca/sv-benchmarks/c/array-fpi/s2lif.c[588,601] [2021-11-07 01:13:56,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:13:57,015 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:13:57,035 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_71c165c0-035e-4912-ad8f-1fa46b8f86ca/sv-benchmarks/c/array-fpi/s2lif.c[588,601] [2021-11-07 01:13:57,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:13:57,075 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:13:57,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:57 WrapperNode [2021-11-07 01:13:57,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:13:57,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:13:57,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:13:57,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:13:57,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:57" (1/1) ... [2021-11-07 01:13:57,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:57" (1/1) ... [2021-11-07 01:13:57,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:13:57,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:13:57,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:13:57,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:13:57,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:57" (1/1) ... [2021-11-07 01:13:57,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:57" (1/1) ... [2021-11-07 01:13:57,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:57" (1/1) ... [2021-11-07 01:13:57,138 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:57" (1/1) ... [2021-11-07 01:13:57,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:57" (1/1) ... [2021-11-07 01:13:57,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:57" (1/1) ... [2021-11-07 01:13:57,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:57" (1/1) ... [2021-11-07 01:13:57,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:13:57,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:13:57,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:13:57,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:13:57,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:57" (1/1) ... [2021-11-07 01:13:57,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:13:57,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:13:57,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:13:57,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:13:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:13:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:13:57,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:13:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:13:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:13:57,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:13:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:13:57,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:13:57,755 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:13:57,755 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-07 01:13:57,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:13:57 BoogieIcfgContainer [2021-11-07 01:13:57,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:13:57,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:13:57,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:13:57,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:13:57,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:13:56" (1/3) ... [2021-11-07 01:13:57,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ac803b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:13:57, skipping insertion in model container [2021-11-07 01:13:57,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:57" (2/3) ... [2021-11-07 01:13:57,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65ac803b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:13:57, skipping insertion in model container [2021-11-07 01:13:57,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:13:57" (3/3) ... [2021-11-07 01:13:57,769 INFO L111 eAbstractionObserver]: Analyzing ICFG s2lif.c [2021-11-07 01:13:57,776 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:13:57,776 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:13:57,837 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:13:57,850 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 01:13:57,850 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:13:57,871 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:13:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 01:13:57,897 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:13:57,898 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:13:57,898 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:13:57,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:13:57,906 INFO L85 PathProgramCache]: Analyzing trace with hash -535561234, now seen corresponding path program 1 times [2021-11-07 01:13:57,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:13:57,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539313662] [2021-11-07 01:13:57,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:13:57,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:13:58,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:13:58,275 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 01:13:58,277 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:13:58,277 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539313662] [2021-11-07 01:13:58,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539313662] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:13:58,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:13:58,279 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:13:58,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666926786] [2021-11-07 01:13:58,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:13:58,291 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:13:58,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:13:58,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:13:58,316 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:13:58,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:13:58,384 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2021-11-07 01:13:58,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:13:58,388 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-07 01:13:58,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:13:58,399 INFO L225 Difference]: With dead ends: 20 [2021-11-07 01:13:58,399 INFO L226 Difference]: Without dead ends: 9 [2021-11-07 01:13:58,404 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 01:13:58,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-07 01:13:58,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-07 01:13:58,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 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 01:13:58,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-07 01:13:58,444 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 7 [2021-11-07 01:13:58,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:13:58,445 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-07 01:13:58,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:13:58,446 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-07 01:13:58,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:13:58,446 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:13:58,447 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:13:58,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:13:58,447 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:13:58,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:13:58,449 INFO L85 PathProgramCache]: Analyzing trace with hash 344823405, now seen corresponding path program 1 times [2021-11-07 01:13:58,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:13:58,449 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326065212] [2021-11-07 01:13:58,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:13:58,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:13:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:13:58,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:13:58,527 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:13:58,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326065212] [2021-11-07 01:13:58,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326065212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:13:58,528 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:13:58,529 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 01:13:58,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088954889] [2021-11-07 01:13:58,531 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:13:58,531 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:13:58,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:13:58,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:13:58,533 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:13:58,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:13:58,569 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-11-07 01:13:58,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:13:58,570 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-07 01:13:58,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:13:58,570 INFO L225 Difference]: With dead ends: 15 [2021-11-07 01:13:58,571 INFO L226 Difference]: Without dead ends: 11 [2021-11-07 01:13:58,572 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:13:58,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-07 01:13:58,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-07 01:13:58,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 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 01:13:58,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-11-07 01:13:58,576 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 8 [2021-11-07 01:13:58,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:13:58,577 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-11-07 01:13:58,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:13:58,578 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-07 01:13:58,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 01:13:58,578 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:13:58,579 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:13:58,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:13:58,579 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:13:58,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:13:58,580 INFO L85 PathProgramCache]: Analyzing trace with hash 750922709, now seen corresponding path program 1 times [2021-11-07 01:13:58,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:13:58,581 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185903556] [2021-11-07 01:13:58,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:13:58,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:13:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:13:59,197 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 01:13:59,199 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:13:59,200 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185903556] [2021-11-07 01:13:59,200 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185903556] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:13:59,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198834603] [2021-11-07 01:13:59,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:13:59,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:13:59,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:13:59,206 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:13:59,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:13:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:13:59,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-07 01:13:59,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:13:59,407 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 01:13:59,420 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:13:59,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:59,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-07 01:13:59,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:13:59,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2021-11-07 01:13:59,834 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-07 01:13:59,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 27 [2021-11-07 01:13:59,990 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-11-07 01:13:59,991 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 56 treesize of output 40 [2021-11-07 01:14:00,073 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 01:14:00,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:14:01,122 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 01:14:01,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198834603] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:14:01,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [506138520] [2021-11-07 01:14:01,150 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:14:01,151 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:14:01,156 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:14:01,163 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:14:01,164 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:14:01,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:01,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:01,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:01,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:14:01,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:14:01,224 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_21|]} [2021-11-07 01:14:01,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,240 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 01:14:01,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:01,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:01,244 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:01,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:01,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,295 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 01:14:01,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:01,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:01,302 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:01,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:01,316 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:14:01,322 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:01,322 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:14:01,336 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:14:01,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:01,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:01,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:01,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:14:01,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:01,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:01,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:14:01,362 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_18|], 28=[|v_#valid_22|]} [2021-11-07 01:14:01,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,437 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:14:01,438 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:14:01,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:01,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:01,445 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:01,459 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:14:01,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:14:01,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:14:01,462 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:01,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:01,480 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,546 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:14:01,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:14:01,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:01,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:01,557 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:01,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:01,594 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:14:01,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:14:01,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:14:01,635 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:01,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:01,670 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:14:01,709 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:01,711 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:14:01,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:01,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:01,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:14:01,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:01,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:14:01,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:01,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:01,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:01,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:01,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:01,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:14:01,853 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:01,853 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:14:01,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:01,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:01,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:02,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:02,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:02,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:02,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:14:02,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:14:02,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:02,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:14:02,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:14:02,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:02,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:02,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:02,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:02,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:14:02,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:02,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:02,219 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:02,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:02,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:02,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:02,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:02,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:02,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-07 01:14:02,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:14:02,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:14:02,269 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:02,270 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,370 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:14:02,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:14:02,381 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:02,382 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:14:02,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,529 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:14:02,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:02,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:02,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:14:02,551 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 01:14:02,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:02,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:02,554 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:02,554 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:14:02,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:02,562 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:14:02,572 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:14:02,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:14:02,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,585 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:02,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:02,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:02,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:14:02,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:14:02,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:14:02,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:02,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:02,618 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:02,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,631 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:14:02,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:02,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:02,646 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:02,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,657 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-07 01:14:02,668 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:02,669 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:204, output treesize:152 [2021-11-07 01:14:02,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,724 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:14:02,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:02,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:02,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:02,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:14:02,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:14:02,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:14:02,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:02,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:02,753 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:02,753 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:14:02,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:02,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:02,779 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:02,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,788 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:14:02,794 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:02,794 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:148 [2021-11-07 01:14:02,805 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:14:02,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:14:02,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:02,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:14:02,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:14:02,831 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:14:02,859 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:14:02,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:14:02,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:02,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:02,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:02,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:02,884 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:14:02,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,891 INFO L628 ElimStorePlain]: treesize reduction 31, result has 70.5 percent of original size [2021-11-07 01:14:02,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 01:14:02,896 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:02,896 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:74 [2021-11-07 01:14:02,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:02,931 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:14:02,934 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:02,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:02,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:14:02,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:14:02,994 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:14:02,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:14:02,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:03,000 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:03,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:03,012 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:14:03,018 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:14:03,024 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:14:03,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:14:03,026 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:14:03,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:03,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:03,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:03,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:14:03,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:03,054 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:14:03,072 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:14:04,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:14:04,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:14:04,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2021-11-07 01:14:04,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757630773] [2021-11-07 01:14:04,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-11-07 01:14:04,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:14:04,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-11-07 01:14:04,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:14:04,065 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 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 01:14:04,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:14:04,745 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2021-11-07 01:14:04,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:14:04,747 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 01:14:04,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:14:04,748 INFO L225 Difference]: With dead ends: 23 [2021-11-07 01:14:04,748 INFO L226 Difference]: Without dead ends: 17 [2021-11-07 01:14:04,749 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 12 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=88, Invalid=512, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:14:04,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-07 01:14:04,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2021-11-07 01:14:04,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 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 01:14:04,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-11-07 01:14:04,756 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 10 [2021-11-07 01:14:04,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:14:04,756 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-11-07 01:14:04,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 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 01:14:04,757 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-11-07 01:14:04,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:14:04,757 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:14:04,758 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:14:04,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:14:04,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:14:04,981 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:14:04,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:14:04,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1803519565, now seen corresponding path program 2 times [2021-11-07 01:14:04,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:14:04,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615399361] [2021-11-07 01:14:04,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:14:04,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:14:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:14:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:14:05,089 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:14:05,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615399361] [2021-11-07 01:14:05,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615399361] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:14:05,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202103464] [2021-11-07 01:14:05,092 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:14:05,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:14:05,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:14:05,105 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:14:05,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:14:05,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:14:05,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:14:05,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:14:05,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:14:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:14:05,288 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:14:05,332 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:14:05,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202103464] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:14:05,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1351379670] [2021-11-07 01:14:05,336 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:14:05,336 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:14:05,337 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:14:05,353 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:14:05,353 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:14:05,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:05,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:14:05,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:05,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:05,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:14:05,386 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 21=[|v_#valid_24|]} [2021-11-07 01:14:05,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,398 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 01:14:05,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:05,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:05,402 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:05,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:05,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,443 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 01:14:05,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:05,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:05,450 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:05,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:05,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:14:05,476 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:05,477 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:14:05,502 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:14:05,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:05,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:05,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:05,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:14:05,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:05,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:05,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:14:05,539 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_21|], 28=[|v_#valid_25|]} [2021-11-07 01:14:05,549 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:14:05,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:14:05,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:14:05,551 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:05,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,606 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:14:05,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:14:05,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:05,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:05,612 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:05,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:05,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,680 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:14:05,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:14:05,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:05,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:05,689 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:05,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:05,706 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:14:05,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:14:05,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:14:05,729 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:05,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:05,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:14:05,757 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:05,758 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:14:05,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:05,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:05,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-07 01:14:05,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:05,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-11-07 01:14:05,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:14:05,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:14:05,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:05,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:05,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:14:05,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:05,831 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2021-11-07 01:14:05,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:05,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:05,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:05,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:05,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:05,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:05,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:05,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:06,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:14:06,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:14:06,009 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:06,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 365 [2021-11-07 01:14:06,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 447 [2021-11-07 01:14:06,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:06,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:06,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:06,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:06,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:06,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2021-11-07 01:14:06,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:06,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:06,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:06,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:06,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:06,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:06,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:06,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:14:06,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:06,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:06,134 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:06,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,203 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,229 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.3 percent of original size [2021-11-07 01:14:06,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 406 [2021-11-07 01:14:06,240 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:06,240 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:540, output treesize:406 [2021-11-07 01:14:06,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,359 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:14:06,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:06,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:06,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:14:06,370 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 01:14:06,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:06,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:06,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:06,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:14:06,379 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:06,379 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:14:06,386 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:14:06,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:14:06,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:06,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:14:06,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:06,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:14:06,412 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:14:06,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-11-07 01:14:06,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:14:06,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:14:06,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:06,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-07 01:14:06,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:14:06,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:14:06,442 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:06,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,449 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,452 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.0 percent of original size [2021-11-07 01:14:06,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:14:06,455 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:06,455 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:126 [2021-11-07 01:14:06,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,486 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:14:06,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:06,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:06,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:06,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:14:06,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:14:06,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:14:06,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:06,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:06,515 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:06,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,529 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,536 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:14:06,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:14:06,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:14:06,541 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:06,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,548 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:14:06,553 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:06,553 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:150 [2021-11-07 01:14:06,561 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:14:06,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:14:06,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:06,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:06,579 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:14:06,609 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:14:06,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:14:06,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,614 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:06,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:14:06,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:14:06,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-07 01:14:06,621 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:14:06,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,631 INFO L628 ElimStorePlain]: treesize reduction 24, result has 75.0 percent of original size [2021-11-07 01:14:06,635 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:14:06,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:14:06,637 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:06,638 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:14:06,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,665 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:14:06,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:06,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:14:06,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:14:06,714 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:14:06,714 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:14:06,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:06,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:14:06,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:14:06,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:14:06,728 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:14:06,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:06,733 INFO L628 ElimStorePlain]: treesize reduction 42, result has 66.7 percent of original size [2021-11-07 01:14:06,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:06,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:14:06,737 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:06,737 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:14:06,747 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:14:07,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:14:07,388 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:14:07,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-11-07 01:14:07,389 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094919312] [2021-11-07 01:14:07,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 01:14:07,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:14:07,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 01:14:07,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:14:07,390 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. Second operand has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 01:14:07,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:14:07,504 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2021-11-07 01:14:07,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:14:07,505 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-07 01:14:07,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:14:07,506 INFO L225 Difference]: With dead ends: 33 [2021-11-07 01:14:07,506 INFO L226 Difference]: Without dead ends: 22 [2021-11-07 01:14:07,507 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2021-11-07 01:14:07,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-07 01:14:07,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2021-11-07 01:14:07,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 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 01:14:07,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-11-07 01:14:07,511 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 11 [2021-11-07 01:14:07,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:14:07,511 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-07 01:14:07,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 01:14:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-07 01:14:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:14:07,512 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:14:07,512 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:14:07,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:14:07,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-11-07 01:14:07,723 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:14:07,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:14:07,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1075573514, now seen corresponding path program 3 times [2021-11-07 01:14:07,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:14:07,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558582727] [2021-11-07 01:14:07,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:14:07,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:14:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:14:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:14:07,834 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:14:07,834 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558582727] [2021-11-07 01:14:07,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558582727] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:14:07,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874354468] [2021-11-07 01:14:07,835 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:14:07,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:14:07,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:14:07,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:14:07,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:14:07,954 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:14:07,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:14:07,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:14:07,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:14:08,046 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:14:08,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:14:08,108 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:14:08,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874354468] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:14:08,109 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1636051915] [2021-11-07 01:14:08,120 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:14:08,120 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:14:08,121 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:14:08,121 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:14:08,121 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:14:08,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:08,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:14:08,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:14:08,140 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|], 21=[|v_#valid_27|]} [2021-11-07 01:14:08,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,151 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 01:14:08,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:08,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:08,154 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,165 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,188 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 01:14:08,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:08,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:08,195 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,200 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:14:08,204 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,204 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:14:08,211 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:14:08,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:08,214 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:08,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:14:08,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:14:08,228 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_24|], 28=[|v_#valid_28|]} [2021-11-07 01:14:08,238 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:14:08,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:14:08,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:14:08,240 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,284 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:14:08,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:14:08,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:08,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:08,290 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,365 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:14:08,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:14:08,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:08,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:08,373 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:14:08,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:14:08,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:14:08,401 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,410 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:14:08,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,418 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:14:08,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,425 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:08,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:14:08,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:14:08,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:08,460 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:08,461 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:14:08,478 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,479 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:14:08,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:08,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:14:08,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:14:08,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:14:08,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:14:08,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,703 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-07 01:14:08,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:14:08,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:14:08,709 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:08,735 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:14:08,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:08,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:08,740 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,829 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:14:08,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:14:08,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:08,838 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:14:08,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,914 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:14:08,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:08,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:14:08,926 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 01:14:08,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:08,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:08,928 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:14:08,934 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,935 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:14:08,942 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:14:08,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:14:08,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:14:08,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:08,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:08,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:14:08,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:14:08,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:08,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:08,968 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,974 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,981 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:14:08,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:08,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:08,983 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:08,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:08,989 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:08,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-07 01:14:08,994 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:08,994 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:204, output treesize:152 [2021-11-07 01:14:08,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,020 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:14:09,022 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:09,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:14:09,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:09,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:09,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:14:09,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:14:09,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:09,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:09,038 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:09,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:14:09,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:09,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:09,054 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:09,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,060 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:14:09,064 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:09,065 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:148 [2021-11-07 01:14:09,071 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:14:09,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:14:09,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:09,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:14:09,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:14:09,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:14:09,129 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:14:09,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:14:09,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:09,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,136 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:14:09,137 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:14:09,138 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:14:09,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:14:09,139 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:14:09,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:14:09,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:09,146 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:14:09,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,174 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:14:09,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:09,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:14:09,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:14:09,226 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:14:09,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:14:09,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:09,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,235 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:14:09,236 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:14:09,237 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:14:09,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:14:09,238 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:14:09,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:09,242 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:09,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:14:09,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:09,246 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:14:09,255 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:14:09,871 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:14:09,871 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:14:09,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-11-07 01:14:09,872 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639910234] [2021-11-07 01:14:09,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 01:14:09,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:14:09,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 01:14:09,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:14:09,873 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 01:14:09,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:14:09,989 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-11-07 01:14:09,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 01:14:09,993 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-07 01:14:09,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:14:09,994 INFO L225 Difference]: With dead ends: 19 [2021-11-07 01:14:09,994 INFO L226 Difference]: Without dead ends: 14 [2021-11-07 01:14:09,995 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:14:09,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-07 01:14:09,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-07 01:14:09,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 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 01:14:09,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-11-07 01:14:09,998 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2021-11-07 01:14:09,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:14:09,999 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-11-07 01:14:09,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 01:14:09,999 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-07 01:14:09,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-07 01:14:10,000 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:14:10,000 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:14:10,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:14:10,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2021-11-07 01:14:10,201 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:14:10,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:14:10,201 INFO L85 PathProgramCache]: Analyzing trace with hash 135501902, now seen corresponding path program 4 times [2021-11-07 01:14:10,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:14:10,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166562592] [2021-11-07 01:14:10,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:14:10,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:14:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:14:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:14:10,892 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:14:10,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166562592] [2021-11-07 01:14:10,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166562592] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:14:10,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328557229] [2021-11-07 01:14:10,892 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:14:10,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:14:10,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:14:10,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:14:10,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 01:14:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:14:11,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-07 01:14:11,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:14:11,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:14:11,036 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:14:11,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:11,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-11-07 01:14:11,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:11,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 49 [2021-11-07 01:14:11,112 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-07 01:14:11,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 60 [2021-11-07 01:14:11,377 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:14:11,396 INFO L354 Elim1Store]: treesize reduction 97, result has 19.2 percent of original size [2021-11-07 01:14:11,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 128 treesize of output 110 [2021-11-07 01:14:11,406 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-11-07 01:14:11,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 66 [2021-11-07 01:14:11,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:11,541 INFO L354 Elim1Store]: treesize reduction 114, result has 2.6 percent of original size [2021-11-07 01:14:11,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 4 case distinctions, treesize of input 110 treesize of output 99 [2021-11-07 01:14:11,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:11,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 18 [2021-11-07 01:14:11,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:11,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:11,740 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:14:11,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 40 [2021-11-07 01:14:11,838 INFO L354 Elim1Store]: treesize reduction 76, result has 16.5 percent of original size [2021-11-07 01:14:11,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 37 [2021-11-07 01:14:11,946 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:14:11,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 69 treesize of output 45 [2021-11-07 01:14:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:14:11,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:14:20,753 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:14:20,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328557229] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:14:20,753 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1591412558] [2021-11-07 01:14:20,756 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:14:20,756 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:14:20,757 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:14:20,757 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:14:20,757 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:14:20,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,766 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:20,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:20,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:20,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:14:20,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:14:20,773 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_26|], 21=[|v_#valid_31|]} [2021-11-07 01:14:20,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,785 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 01:14:20,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:20,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:20,789 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:20,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:20,793 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,812 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 01:14:20,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:20,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:20,817 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:20,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:20,821 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:14:20,825 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:20,826 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:14:20,834 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:14:20,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:20,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:20,837 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:20,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:20,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:20,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:14:20,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:14:20,848 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_27|], 28=[|v_#valid_32|]} [2021-11-07 01:14:20,857 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:14:20,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:14:20,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:14:20,859 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:20,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,893 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:14:20,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:14:20,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:20,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:20,898 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:20,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:20,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,963 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:14:20,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:14:20,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:20,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:20,970 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:20,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:20,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:20,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:14:20,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:14:20,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:20,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:14:20,998 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:20,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,007 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:14:21,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:21,014 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:14:21,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:21,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 181 [2021-11-07 01:14:21,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-11-07 01:14:21,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:14:21,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:14:21,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:21,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:14:21,064 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:21,065 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:179, output treesize:175 [2021-11-07 01:14:21,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:21,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:14:21,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 384 [2021-11-07 01:14:21,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 365 [2021-11-07 01:14:21,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 447 [2021-11-07 01:14:21,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:14:21,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:21,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:21,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:21,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:21,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 55 [2021-11-07 01:14:21,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:21,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:21,323 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:21,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,378 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,409 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.3 percent of original size [2021-11-07 01:14:21,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 406 [2021-11-07 01:14:21,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:21,420 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:540, output treesize:406 [2021-11-07 01:14:21,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,541 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:14:21,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:21,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:14:21,553 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 01:14:21,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:21,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:21,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:21,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:14:21,563 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:21,564 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:14:21,571 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:14:21,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:14:21,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:14:21,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:21,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:14:21,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:14:21,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:21,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:21,614 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:21,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,622 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,630 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:14:21,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:14:21,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:14:21,633 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:21,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:14:21,648 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:21,648 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:204, output treesize:154 [2021-11-07 01:14:21,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,683 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:14:21,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:14:21,689 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:21,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:14:21,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:14:21,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:21,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:21,707 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:21,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:14:21,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:21,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:21,727 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:21,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,734 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:14:21,739 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:21,739 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:148 [2021-11-07 01:14:21,748 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:14:21,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:14:21,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:14:21,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:14:21,766 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:14:21,817 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:14:21,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:14:21,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,824 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,834 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:14:21,839 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:14:21,840 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:14:21,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:14:21,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:14:21,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:14:21,862 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:21,862 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:14:21,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,897 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:21,924 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:14:21,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:14:21,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:14:21,989 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:14:21,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:14:21,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:21,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:21,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:14:22,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:14:22,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:22,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:14:22,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:14:22,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:22,007 INFO L628 ElimStorePlain]: treesize reduction 41, result has 67.2 percent of original size [2021-11-07 01:14:22,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:22,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:14:22,011 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:22,011 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:14:22,019 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:14:23,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:14:23,091 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:14:23,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2021-11-07 01:14:23,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510918170] [2021-11-07 01:14:23,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-07 01:14:23,092 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:14:23,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-07 01:14:23,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=883, Unknown=0, NotChecked=0, Total=992 [2021-11-07 01:14:23,094 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 28 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:14:29,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:14:29,862 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2021-11-07 01:14:29,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-07 01:14:29,863 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-11-07 01:14:29,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:14:29,865 INFO L225 Difference]: With dead ends: 36 [2021-11-07 01:14:29,865 INFO L226 Difference]: Without dead ends: 28 [2021-11-07 01:14:29,866 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 15 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=177, Invalid=1383, Unknown=0, NotChecked=0, Total=1560 [2021-11-07 01:14:29,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-11-07 01:14:29,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 23. [2021-11-07 01:14:29,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 22 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:14:29,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 28 transitions. [2021-11-07 01:14:29,872 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 28 transitions. Word has length 13 [2021-11-07 01:14:29,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:14:29,873 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 28 transitions. [2021-11-07 01:14:29,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:14:29,873 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2021-11-07 01:14:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:14:29,873 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:14:29,873 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:14:29,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:14:30,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable112 [2021-11-07 01:14:30,074 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:14:30,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:14:30,075 INFO L85 PathProgramCache]: Analyzing trace with hash -94656268, now seen corresponding path program 5 times [2021-11-07 01:14:30,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:14:30,075 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607996449] [2021-11-07 01:14:30,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:14:30,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:14:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:14:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:14:30,150 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:14:30,150 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607996449] [2021-11-07 01:14:30,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607996449] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:14:30,151 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478668234] [2021-11-07 01:14:30,151 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:14:30,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:14:30,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:14:30,152 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:14:30,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 01:14:30,337 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:14:30,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:14:30,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:14:30,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:14:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:14:30,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:14:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:14:30,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478668234] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:14:30,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [107941607] [2021-11-07 01:14:30,486 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:14:30,486 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:14:30,486 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:14:30,487 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:14:30,487 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:14:30,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:30,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:30,499 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:30,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:14:30,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:14:30,504 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_29|], 21=[|v_#valid_34|]} [2021-11-07 01:14:30,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,515 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 01:14:30,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:30,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:30,518 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:30,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:30,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,538 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 01:14:30,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:30,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:30,543 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:30,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:30,546 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:14:30,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:30,550 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:14:30,557 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:14:30,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:30,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:14:30,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:30,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:30,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:30,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:30,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:14:30,571 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_30|], 28=[|v_#valid_35|]} [2021-11-07 01:14:30,580 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:14:30,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:14:30,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:14:30,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:30,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,624 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:14:30,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:14:30,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:30,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:30,629 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:30,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:30,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,699 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:14:30,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:14:30,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:30,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:30,707 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:30,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:30,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:14:30,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:14:30,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:14:30,765 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:30,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:30,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:14:30,798 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:30,798 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:14:30,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:30,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:30,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:14:30,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:30,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:14:30,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:30,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:30,843 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:30,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:30,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:30,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:14:30,859 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:30,860 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:14:30,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:30,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:30,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:30,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,003 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:31,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:14:31,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:14:31,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:14:31,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:14:31,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:31,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:31,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:31,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:31,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:14:31,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:31,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:31,082 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:31,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:31,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:31,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:31,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:31,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:31,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-07 01:14:31,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:14:31,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:14:31,117 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:31,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,202 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:14:31,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:14:31,213 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:31,213 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:14:31,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,287 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:14:31,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:31,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:14:31,298 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 01:14:31,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:31,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:31,300 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:31,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:14:31,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:31,307 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:14:31,312 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:14:31,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:14:31,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:14:31,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:14:31,325 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:14:31,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-07 01:14:31,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-07 01:14:31,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-07 01:14:31,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:31,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-11-07 01:14:31,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:14:31,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:14:31,355 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:31,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,366 INFO L180 QuantifierPusher]: treesize reduction 10, result has 92.6 percent of original size [2021-11-07 01:14:31,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:14:31,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:31,369 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:126 [2021-11-07 01:14:31,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,384 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,406 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:14:31,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:14:31,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:31,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:14:31,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:14:31,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:31,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:31,427 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:31,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,434 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:14:31,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:31,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:31,444 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:31,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:14:31,456 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:31,456 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:148 [2021-11-07 01:14:31,463 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:14:31,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:14:31,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:14:31,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:14:31,479 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:14:31,505 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:14:31,505 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:14:31,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,511 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:14:31,512 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:14:31,513 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:14:31,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:14:31,514 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:14:31,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:14:31,521 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:31,522 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:14:31,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,548 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:14:31,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:14:31,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:14:31,599 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:14:31,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:14:31,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:31,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:14:31,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:14:31,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:14:31,610 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:14:31,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:31,615 INFO L628 ElimStorePlain]: treesize reduction 41, result has 67.2 percent of original size [2021-11-07 01:14:31,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:31,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:14:31,618 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:31,618 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:14:31,626 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:14:32,259 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:14:32,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:14:32,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-07 01:14:32,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819736651] [2021-11-07 01:14:32,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:14:32,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:14:32,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:14:32,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:14:32,262 INFO L87 Difference]: Start difference. First operand 23 states and 28 transitions. Second operand has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 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 01:14:32,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:14:32,420 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2021-11-07 01:14:32,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 01:14:32,421 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-07 01:14:32,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:14:32,421 INFO L225 Difference]: With dead ends: 36 [2021-11-07 01:14:32,421 INFO L226 Difference]: Without dead ends: 20 [2021-11-07 01:14:32,422 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:14:32,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-07 01:14:32,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 16. [2021-11-07 01:14:32,426 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 01:14:32,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-11-07 01:14:32,427 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 14 [2021-11-07 01:14:32,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:14:32,427 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-11-07 01:14:32,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5) internal successors, (21), 14 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 01:14:32,427 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-07 01:14:32,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 01:14:32,428 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:14:32,428 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:14:32,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:14:32,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:14:32,629 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:14:32,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:14:32,629 INFO L85 PathProgramCache]: Analyzing trace with hash 720245293, now seen corresponding path program 6 times [2021-11-07 01:14:32,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:14:32,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977886327] [2021-11-07 01:14:32,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:14:32,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:14:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:14:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:14:32,737 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:14:32,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977886327] [2021-11-07 01:14:32,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977886327] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:14:32,738 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972121819] [2021-11-07 01:14:32,738 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:14:32,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:14:32,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:14:32,739 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:14:32,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 01:14:32,896 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:14:32,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:14:32,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:14:32,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:14:33,023 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:14:33,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:14:33,090 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:14:33,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972121819] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:14:33,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [696782377] [2021-11-07 01:14:33,093 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:14:33,094 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:14:33,094 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:14:33,094 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:14:33,095 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:14:33,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:33,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:14:33,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:14:33,107 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_31|], 21=[|v_#valid_36|]} [2021-11-07 01:14:33,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,119 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 01:14:33,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:33,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:33,122 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 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 01:14:33,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:33,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:33,150 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:14:33,158 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,158 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:14:33,165 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:14:33,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:33,168 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:14:33,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:14:33,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:14:33,177 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_32|], 28=[|v_#valid_37|]} [2021-11-07 01:14:33,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,230 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:14:33,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:14:33,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:33,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:14:33,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:14:33,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:14:33,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:14:33,244 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,253 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,300 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:14:33,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:14:33,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:33,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:14:33,306 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,315 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:14:33,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:14:33,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:14:33,332 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:14:33,345 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,346 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:14:33,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:33,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:14:33,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,370 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:14:33,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:33,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:33,373 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,381 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:14:33,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,388 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:14:33,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,484 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,494 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,494 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:33,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:14:33,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:14:33,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,507 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:14:33,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:14:33,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-07 01:14:33,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:14:33,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:14:33,566 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:33,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:14:33,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:33,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:14:33,592 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,638 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,659 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:14:33,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:14:33,666 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:33,666 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:14:33,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,728 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:14:33,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:14:33,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:14:33,739 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 01:14:33,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:33,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:14:33,741 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,743 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:14:33,746 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,746 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:14:33,752 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:14:33,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:14:33,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:14:33,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:33,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:14:33,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:14:33,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:14:33,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:14:33,775 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,787 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:14:33,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:33,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:33,789 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:14:33,799 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:33,799 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:204, output treesize:154 [2021-11-07 01:14:33,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,824 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:14:33,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:14:33,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:14:33,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:14:33,839 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:14:33,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:14:33,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:14:33,842 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,854 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:14:33,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:33,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:14:33,857 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,863 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:14:33,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:14:33,867 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:150 [2021-11-07 01:14:33,874 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:14:33,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:14:33,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:14:33,882 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:14:33,908 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:14:33,908 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:14:33,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,913 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:14:33,914 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:14:33,914 INFO L180 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size [2021-11-07 01:14:33,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:14:33,915 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:14:33,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,920 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-07 01:14:33,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 01:14:33,922 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:33,922 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:82 [2021-11-07 01:14:33,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:33,955 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:14:33,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:33,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:33,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:14:33,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:14:34,000 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:14:34,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:14:34,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:34,003 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:14:34,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:34,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:14:34,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:14:34,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:34,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:14:34,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:14:34,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:14:34,014 INFO L628 ElimStorePlain]: treesize reduction 42, result has 66.7 percent of original size [2021-11-07 01:14:34,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:14:34,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:14:34,017 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:14:34,017 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:14:34,025 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:14:34,588 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:14:34,589 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:14:34,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-07 01:14:34,589 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193861849] [2021-11-07 01:14:34,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:14:34,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:14:34,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:14:34,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:14:34,591 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 14 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 01:14:34,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:14:34,708 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2021-11-07 01:14:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-07 01:14:34,709 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-07 01:14:34,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:14:34,709 INFO L225 Difference]: With dead ends: 20 [2021-11-07 01:14:34,709 INFO L226 Difference]: Without dead ends: 17 [2021-11-07 01:14:34,710 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:14:34,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-11-07 01:14:34,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-07 01:14:34,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 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 01:14:34,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2021-11-07 01:14:34,713 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 15 [2021-11-07 01:14:34,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:14:34,714 INFO L470 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2021-11-07 01:14:34,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 14 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 01:14:34,714 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-11-07 01:14:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-07 01:14:34,714 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:14:34,715 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:14:34,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:14:34,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:14:34,915 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:14:34,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:14:34,916 INFO L85 PathProgramCache]: Analyzing trace with hash 852519669, now seen corresponding path program 7 times [2021-11-07 01:14:34,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:14:34,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022991048] [2021-11-07 01:14:34,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:14:34,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:14:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:14:35,872 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:14:35,872 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:14:35,872 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022991048] [2021-11-07 01:14:35,873 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022991048] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:14:35,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468598773] [2021-11-07 01:14:35,873 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:14:35,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:14:35,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:14:35,877 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:14:35,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 01:14:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:14:36,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-07 01:14:36,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:14:36,138 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:14:36,145 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 10 treesize of output 8 [2021-11-07 01:14:36,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:36,175 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-07 01:14:36,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:36,209 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-11-07 01:14:36,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:36,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:36,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 30 [2021-11-07 01:14:36,329 INFO L354 Elim1Store]: treesize reduction 76, result has 20.8 percent of original size [2021-11-07 01:14:36,329 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 61 [2021-11-07 01:14:36,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:14:36,653 INFO L354 Elim1Store]: treesize reduction 218, result has 17.7 percent of original size [2021-11-07 01:14:36,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 140 treesize of output 137 [2021-11-07 01:14:36,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:36,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:36,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:36,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 32 [2021-11-07 01:14:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:36,953 INFO L354 Elim1Store]: treesize reduction 234, result has 10.0 percent of original size [2021-11-07 01:14:36,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 122 treesize of output 124 [2021-11-07 01:14:36,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:36,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:36,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 33 [2021-11-07 01:14:37,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:37,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:37,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:37,193 INFO L354 Elim1Store]: treesize reduction 128, result has 2.3 percent of original size [2021-11-07 01:14:37,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 119 treesize of output 120 [2021-11-07 01:14:37,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:37,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:37,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:37,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-11-07 01:14:37,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:37,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:37,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:37,445 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 47 [2021-11-07 01:14:37,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:37,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:37,561 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:14:37,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:14:37,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 50 [2021-11-07 01:14:37,703 INFO L354 Elim1Store]: treesize reduction 114, result has 16.2 percent of original size [2021-11-07 01:14:37,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 60 treesize of output 49 [2021-11-07 01:14:37,828 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-11-07 01:14:37,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 87 treesize of output 51 [2021-11-07 01:14:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:14:37,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:16:34,859 WARN L207 SmtUtils]: Spent 33.52 s on a formula simplification that was a NOOP. DAG size: 221 [2021-11-07 01:17:48,476 WARN L207 SmtUtils]: Spent 34.94 s on a formula simplification that was a NOOP. DAG size: 219 [2021-11-07 01:19:37,005 WARN L207 SmtUtils]: Spent 47.10 s on a formula simplification that was a NOOP. DAG size: 276 [2021-11-07 01:21:15,427 WARN L207 SmtUtils]: Spent 41.11 s on a formula simplification that was a NOOP. DAG size: 278 [2021-11-07 01:22:55,627 WARN L207 SmtUtils]: Spent 50.97 s on a formula simplification that was a NOOP. DAG size: 280 [2021-11-07 01:22:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:22:55,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468598773] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:22:55,785 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1499304384] [2021-11-07 01:22:55,788 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:22:55,789 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:22:55,789 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:22:55,789 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:22:55,789 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:22:55,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:55,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:22:55,798 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:55,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:22:55,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:22:55,804 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_34|], 21=[|v_#valid_40|]} [2021-11-07 01:22:55,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,814 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 01:22:55,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:22:55,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:22:55,816 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:55,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:55,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,845 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 01:22:55,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,848 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:22:55,848 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:22:55,849 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:55,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:55,852 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:22:55,855 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:22:55,855 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:22:55,861 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:22:55,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:55,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:22:55,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:55,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:22:55,864 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:55,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:22:55,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:22:55,876 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_35|], 28=[|v_#valid_41|]} [2021-11-07 01:22:55,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:55,963 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:22:55,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:22:55,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:22:55,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:22:55,966 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:55,972 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:22:55,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:22:55,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:22:55,973 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:55,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:55,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:55,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,038 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:22:56,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:22:56,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:22:56,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:22:56,044 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,089 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:22:56,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:22:56,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,091 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:22:56,092 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:22:56,103 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,104 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:22:56,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:22:56,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:22:56,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:22:56,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:22:56,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:22:56,130 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:22:56,143 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,143 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:22:56,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:22:56,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:22:56,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:22:56,254 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:22:56,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:22:56,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:22:56,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:22:56,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:22:56,305 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:22:56,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-07 01:22:56,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:22:56,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:22:56,337 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,394 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:22:56,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:22:56,407 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:22:56,407 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:22:56,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,466 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:22:56,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:22:56,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:22:56,475 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 01:22:56,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:22:56,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:22:56,476 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:22:56,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,481 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:22:56,486 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:22:56,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:22:56,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,492 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:22:56,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:22:56,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 146 [2021-11-07 01:22:56,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:22:56,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:22:56,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:22:56,506 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:22:56,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:22:56,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:22:56,520 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 152 [2021-11-07 01:22:56,528 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:22:56,529 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:204, output treesize:152 [2021-11-07 01:22:56,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,551 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:22:56,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:22:56,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:22:56,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:22:56,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:22:56,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:22:56,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:22:56,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:22:56,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,580 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:22:56,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:22:56,581 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:22:56,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:22:56,590 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:148 [2021-11-07 01:22:56,596 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:22:56,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:22:56,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:22:56,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:22:56,608 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:22:56,633 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:22:56,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:22:56,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,638 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:22:56,638 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:22:56,639 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:22:56,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:22:56,640 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:22:56,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:22:56,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,645 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:22:56,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,665 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:22:56,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:22:56,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:22:56,712 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:22:56,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:22:56,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:22:56,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:22:56,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:22:56,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:22:56,720 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:22:56,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:22:56,723 INFO L628 ElimStorePlain]: treesize reduction 41, result has 67.2 percent of original size [2021-11-07 01:22:56,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:22:56,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:22:56,726 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:22:56,726 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:22:56,733 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:23:01,289 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:23:01,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:23:01,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2021-11-07 01:23:01,290 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393356865] [2021-11-07 01:23:01,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-07 01:23:01,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:23:01,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-07 01:23:01,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=1481, Unknown=11, NotChecked=0, Total=1640 [2021-11-07 01:23:01,292 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 37 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:23:16,803 WARN L207 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 245 DAG size of output: 74 [2021-11-07 01:23:55,289 WARN L207 SmtUtils]: Spent 15.12 s on a formula simplification. DAG size of input: 348 DAG size of output: 81 [2021-11-07 01:24:20,577 WARN L207 SmtUtils]: Spent 11.51 s on a formula simplification. DAG size of input: 259 DAG size of output: 43 [2021-11-07 01:24:43,272 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse85 (let ((.cse86 (* 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 .cse86) 1) (+ c_ULTIMATE.start_main_~a~0.offset 4 .cse86) 1)))) (let ((.cse70 (select .cse85 c_ULTIMATE.start_main_~a~0.offset))) (let ((.cse84 (store .cse85 c_ULTIMATE.start_main_~a~0.offset (+ .cse70 2))) (.cse83 (store .cse85 c_ULTIMATE.start_main_~a~0.offset (+ (- 1) .cse70))) (.cse67 (+ c_ULTIMATE.start_main_~a~0.offset 4))) (let ((.cse68 (select .cse83 .cse67)) (.cse69 (select .cse84 .cse67))) (let ((.cse82 (store .cse84 .cse67 (+ 2 .cse69))) (.cse79 (store .cse84 .cse67 (+ (- 1) .cse69))) (.cse81 (store .cse83 .cse67 (+ 2 .cse68))) (.cse80 (store .cse83 .cse67 (+ (- 1) .cse68))) (.cse48 (+ c_ULTIMATE.start_main_~a~0.offset 8))) (let ((.cse59 (select .cse80 .cse48)) (.cse56 (select .cse81 .cse48)) (.cse51 (select .cse79 .cse48)) (.cse66 (select .cse82 .cse48))) (let ((.cse71 (store .cse82 .cse48 (+ 2 .cse66))) (.cse72 (store .cse79 .cse48 (+ 2 .cse51))) (.cse73 (store .cse82 .cse48 (+ (- 1) .cse66))) (.cse74 (store .cse81 .cse48 (+ (- 1) .cse56))) (.cse75 (store .cse80 .cse48 (+ (- 1) .cse59))) (.cse76 (store .cse81 .cse48 (+ 2 .cse56))) (.cse77 (store .cse80 .cse48 (+ .cse59 2))) (.cse78 (store .cse79 .cse48 (+ (- 1) .cse51)))) (let ((.cse64 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse78)) (.cse62 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse77)) (.cse60 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse76)) (.cse57 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse75)) (.cse54 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse74)) (.cse52 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse73)) (.cse49 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse72)) (.cse46 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse71))) (let ((.cse47 (select .cse46 |c_ULTIMATE.start_main_~#sum~0.base|)) (.cse50 (select .cse49 |c_ULTIMATE.start_main_~#sum~0.base|)) (.cse53 (select .cse52 |c_ULTIMATE.start_main_~#sum~0.base|)) (.cse55 (select .cse54 |c_ULTIMATE.start_main_~#sum~0.base|)) (.cse58 (select .cse57 |c_ULTIMATE.start_main_~#sum~0.base|)) (.cse61 (select .cse60 |c_ULTIMATE.start_main_~#sum~0.base|)) (.cse63 (select .cse62 |c_ULTIMATE.start_main_~#sum~0.base|)) (.cse65 (select .cse64 |c_ULTIMATE.start_main_~#sum~0.base|))) (let ((.cse11 (select .cse65 |c_ULTIMATE.start_main_~#sum~0.offset|)) (.cse12 (select .cse78 c_ULTIMATE.start_main_~a~0.offset)) (.cse28 (select .cse77 c_ULTIMATE.start_main_~a~0.offset)) (.cse30 (select .cse63 |c_ULTIMATE.start_main_~#sum~0.offset|)) (.cse1 (select .cse61 |c_ULTIMATE.start_main_~#sum~0.offset|)) (.cse4 (select .cse76 c_ULTIMATE.start_main_~a~0.offset)) (.cse6 (select .cse75 c_ULTIMATE.start_main_~a~0.offset)) (.cse9 (select .cse58 |c_ULTIMATE.start_main_~#sum~0.offset|)) (.cse35 (select .cse74 c_ULTIMATE.start_main_~a~0.offset)) (.cse38 (select .cse55 |c_ULTIMATE.start_main_~#sum~0.offset|)) (.cse18 (select .cse73 c_ULTIMATE.start_main_~a~0.offset)) (.cse19 (select .cse53 |c_ULTIMATE.start_main_~#sum~0.offset|)) (.cse39 (select .cse50 |c_ULTIMATE.start_main_~#sum~0.offset|)) (.cse40 (select .cse72 c_ULTIMATE.start_main_~a~0.offset)) (.cse24 (select .cse47 |c_ULTIMATE.start_main_~#sum~0.offset|)) (.cse26 (select .cse71 c_ULTIMATE.start_main_~a~0.offset))) (let ((.cse23 (select (select (store .cse46 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse47 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse24 .cse26))) c_ULTIMATE.start_main_~a~0.base) .cse67)) (.cse41 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse39 .cse40))) c_ULTIMATE.start_main_~a~0.base) .cse67)) (.cse5 (= .cse70 1)) (.cse20 (select (select (store .cse52 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse53 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse18 .cse19))) c_ULTIMATE.start_main_~a~0.base) .cse67)) (.cse15 (= .cse69 1)) (.cse37 (select (select (store .cse54 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse55 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse35 .cse38))) c_ULTIMATE.start_main_~a~0.base) .cse67)) (.cse7 (select (select (store .cse57 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse58 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse6 .cse9))) c_ULTIMATE.start_main_~a~0.base) .cse67)) (.cse32 (= .cse68 1)) (.cse2 (select (select (store .cse60 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse61 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse1 .cse4))) c_ULTIMATE.start_main_~a~0.base) .cse67)) (.cse31 (select (select (store .cse62 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse63 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse28 .cse30))) c_ULTIMATE.start_main_~a~0.base) .cse67)) (.cse13 (select (select (store .cse64 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse65 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse11 .cse12))) c_ULTIMATE.start_main_~a~0.base) .cse67))) (let ((.cse16 (= .cse66 1)) (.cse14 (select (select (store .cse64 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse65 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse11 .cse12 .cse13))) c_ULTIMATE.start_main_~a~0.base) .cse48)) (.cse29 (select (select (store .cse62 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse63 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse31 .cse28 .cse30))) c_ULTIMATE.start_main_~a~0.base) .cse48)) (.cse3 (select (select (store .cse60 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse61 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse1 .cse2 .cse4))) c_ULTIMATE.start_main_~a~0.base) .cse48)) (.cse34 (not .cse32)) (.cse27 (= .cse59 1)) (.cse8 (select (select (store .cse57 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse58 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse7 .cse6 .cse9))) c_ULTIMATE.start_main_~a~0.base) .cse48)) (.cse33 (= .cse56 1)) (.cse36 (select (select (store .cse54 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse55 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse35 .cse38 .cse37))) c_ULTIMATE.start_main_~a~0.base) .cse48)) (.cse22 (not .cse15)) (.cse17 (select (select (store .cse52 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse53 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse18 .cse19 .cse20))) c_ULTIMATE.start_main_~a~0.base) .cse48)) (.cse21 (not .cse5)) (.cse10 (= .cse51 1)) (.cse42 (select (select (store .cse49 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse50 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse39 .cse40 .cse41))) c_ULTIMATE.start_main_~a~0.base) .cse48)) (.cse0 (+ c_ULTIMATE.start_main_~i~0 2)) (.cse25 (select (select (store .cse46 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse47 |c_ULTIMATE.start_main_~#sum~0.offset| (+ .cse23 .cse24 .cse26))) c_ULTIMATE.start_main_~a~0.base) .cse48))) (and (or (<= .cse0 (div (+ .cse1 .cse2 .cse3 .cse4) 3)) .cse5) (<= (div (+ (* .cse6 (- 1)) (* .cse7 (- 1)) (* .cse8 (- 1)) (* .cse9 (- 1))) (- 3)) .cse0) (or .cse10 (<= .cse0 (div (+ .cse11 .cse12 .cse13 .cse14) 3)) .cse15) (or .cse16 (<= .cse0 (div (+ .cse17 .cse18 .cse19 .cse20) 3))) (or .cse21 (not .cse16) .cse22 (<= (div (+ (* .cse23 (- 1)) (* .cse24 (- 1)) (* .cse25 (- 1)) (* .cse26 (- 1))) (- 3)) .cse0)) (or .cse21 (<= (div (+ (* .cse12 (- 1)) (* .cse13 (- 1)) (* .cse14 (- 1)) (* .cse11 (- 1))) (- 3)) .cse0)) (or (not .cse27) (<= (div (+ (* .cse28 (- 1)) (* .cse29 (- 1)) (* .cse30 (- 1)) (* .cse31 (- 1))) (- 3)) .cse0)) (or .cse32 (<= .cse0 (div (+ .cse31 .cse28 .cse30 .cse29) 3)) .cse5) (or (not .cse33) (<= (div (+ (* .cse2 (- 1)) (* .cse3 (- 1)) (* .cse4 (- 1)) (* .cse1 (- 1))) (- 3)) .cse0) .cse34) (or (<= (div (+ (* .cse35 (- 1)) (* .cse36 (- 1)) (* .cse37 (- 1)) (* .cse38 (- 1))) (- 3)) .cse0) .cse34) (or .cse32 .cse27 .cse5 (<= .cse0 (div (+ .cse8 .cse7 .cse6 .cse9) 3))) (or .cse15 (<= .cse0 (div (+ .cse39 .cse40 .cse41 .cse42) 3))) (or .cse33 (<= .cse0 (div (+ .cse35 .cse36 .cse38 .cse37) 3)) .cse5) (exists ((ULTIMATE.start_main_~a~0.base Int)) (let ((.cse44 (select |c_#memory_int| ULTIMATE.start_main_~a~0.base))) (let ((.cse43 (select .cse44 8)) (.cse45 (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|))) (and (not (= |c_ULTIMATE.start_main_~#sum~0.base| ULTIMATE.start_main_~a~0.base)) (= .cse43 3) (= (select .cse44 4) 3) (= (+ .cse43 3 (select .cse44 0)) .cse45) (= (+ .cse43 6) .cse45))))) (<= c_~N~0 3) (or .cse21 .cse22 (<= (div (+ (* .cse17 (- 1)) (* .cse19 (- 1)) (* .cse18 (- 1)) (* .cse20 (- 1))) (- 3)) .cse0)) (or .cse21 (not .cse10) (<= (div (+ (* .cse39 (- 1)) (* .cse40 (- 1)) (* .cse42 (- 1)) (* .cse41 (- 1))) (- 3)) .cse0)) (< 2 c_~N~0) (<= .cse0 (div (+ .cse25 .cse23 .cse24 .cse26) 3))))))))))))))) is different from true [2021-11-07 01:24:57,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:24:57,692 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2021-11-07 01:24:57,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 01:24:57,692 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 37 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2021-11-07 01:24:57,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:24:57,693 INFO L225 Difference]: With dead ends: 44 [2021-11-07 01:24:57,693 INFO L226 Difference]: Without dead ends: 35 [2021-11-07 01:24:57,695 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 18 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 393.2s TimeCoverageRelationStatistics Valid=228, Invalid=2208, Unknown=18, NotChecked=96, Total=2550 [2021-11-07 01:24:57,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-07 01:24:57,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 25. [2021-11-07 01:24:57,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.25) internal successors, (30), 24 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 01:24:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2021-11-07 01:24:57,705 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 16 [2021-11-07 01:24:57,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:24:57,705 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2021-11-07 01:24:57,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.1081081081081081) internal successors, (41), 37 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:24:57,706 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2021-11-07 01:24:57,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:24:57,707 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:24:57,707 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:24:57,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:24:57,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable224 [2021-11-07 01:24:57,908 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:24:57,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:24:57,909 INFO L85 PathProgramCache]: Analyzing trace with hash 658058029, now seen corresponding path program 8 times [2021-11-07 01:24:57,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:24:57,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737713101] [2021-11-07 01:24:57,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:24:57,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:24:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:24:58,035 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:24:58,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:24:58,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737713101] [2021-11-07 01:24:58,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737713101] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:24:58,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958886530] [2021-11-07 01:24:58,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:24:58,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:24:58,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:24:58,038 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:24:58,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 01:24:58,340 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:24:58,340 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:24:58,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:24:58,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:24:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:24:58,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:24:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:24:58,591 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958886530] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:24:58,591 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [43619831] [2021-11-07 01:24:58,593 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:24:58,593 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:24:58,593 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:24:58,594 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:24:58,594 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:24:58,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,599 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:58,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:24:58,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:58,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:24:58,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:24:58,609 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_37|], 21=[|v_#valid_43|]} [2021-11-07 01:24:58,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:24:58,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:24:58,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:24:58,625 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:58,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:58,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:24:58,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:24:58,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:24:58,657 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:58,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:58,659 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:24:58,661 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:58,661 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:24:58,666 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:24:58,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:58,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:24:58,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:58,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:24:58,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:58,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:24:58,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:24:58,679 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_38|], 28=[|v_#valid_44|]} [2021-11-07 01:24:58,692 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:24:58,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:24:58,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:24:58,695 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:58,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,730 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:24:58,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:24:58,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:24:58,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:24:58,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:58,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:58,740 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,800 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:24:58,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:24:58,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:24:58,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:24:58,804 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:58,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:58,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,827 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:24:58,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:24:58,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:24:58,831 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:58,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:58,838 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:24:58,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:58,843 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:24:58,847 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:58,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:24:58,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:24:58,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:58,874 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:24:58,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:24:58,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:24:58,878 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:58,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:58,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:24:58,888 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:58,888 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:24:58,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:58,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:58,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:58,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:58,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:58,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:24:58,975 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:58,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:24:58,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:24:58,981 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:58,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:58,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:24:59,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:24:59,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:59,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:59,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:59,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:59,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:59,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-07 01:24:59,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:24:59,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:24:59,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:59,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:59,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:59,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:59,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:24:59,068 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:24:59,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:24:59,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:24:59,071 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:59,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,119 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:24:59,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:24:59,125 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:24:59,125 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:24:59,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,177 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:24:59,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:59,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:24:59,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:24:59,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:24:59,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:24:59,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:24:59,187 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:59,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:24:59,191 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:59,191 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:24:59,196 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:24:59,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:24:59,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:59,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:24:59,203 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:59,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:24:59,205 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:24:59,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-11-07 01:24:59,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:24:59,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:24:59,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:59,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,221 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-07 01:24:59,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-07 01:24:59,228 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-07 01:24:59,229 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:59,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,236 INFO L180 QuantifierPusher]: treesize reduction 10, result has 92.6 percent of original size [2021-11-07 01:24:59,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:24:59,237 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:24:59,238 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:126 [2021-11-07 01:24:59,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,260 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:24:59,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:59,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:24:59,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:59,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:24:59,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:24:59,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:24:59,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:24:59,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:24:59,277 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:59,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:24:59,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:24:59,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:24:59,290 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:24:59,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,294 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:24:59,297 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:24:59,298 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:150 [2021-11-07 01:24:59,303 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:24:59,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:24:59,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,308 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:59,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:24:59,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:24:59,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:24:59,340 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:24:59,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 34 [2021-11-07 01:24:59,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:59,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,345 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:24:59,346 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:24:59,346 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:24:59,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:24:59,347 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:24:59,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:24:59,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:59,360 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:24:59,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,378 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:24:59,379 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:59,380 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:24:59,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:24:59,426 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:24:59,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:24:59,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,429 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:24:59,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,431 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:24:59,432 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:24:59,433 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:24:59,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:24:59,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:24:59,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:24:59,436 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:24:59,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:24:59,439 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:24:59,439 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:24:59,450 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:25:00,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:25:00,099 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:25:00,099 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2021-11-07 01:25:00,099 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250950258] [2021-11-07 01:25:00,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 01:25:00,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:00,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 01:25:00,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:25:00,101 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:00,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:00,256 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2021-11-07 01:25:00,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:25:00,256 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:25:00,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:00,257 INFO L225 Difference]: With dead ends: 45 [2021-11-07 01:25:00,257 INFO L226 Difference]: Without dead ends: 23 [2021-11-07 01:25:00,257 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:25:00,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-11-07 01:25:00,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2021-11-07 01:25:00,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 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 01:25:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-11-07 01:25:00,263 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 17 [2021-11-07 01:25:00,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:00,263 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-11-07 01:25:00,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:00,263 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-07 01:25:00,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:25:00,264 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:00,264 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:00,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:25:00,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable261,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:00,465 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:25:00,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:00,466 INFO L85 PathProgramCache]: Analyzing trace with hash -956889772, now seen corresponding path program 9 times [2021-11-07 01:25:00,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:00,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968982501] [2021-11-07 01:25:00,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:00,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:00,580 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:25:00,580 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:00,580 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968982501] [2021-11-07 01:25:00,580 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968982501] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:25:00,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904300050] [2021-11-07 01:25:00,581 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:25:00,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:00,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:25:00,582 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:25:00,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 01:25:00,851 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:25:00,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:25:00,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:25:00,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:25:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:25:00,984 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:25:01,044 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:25:01,044 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904300050] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:25:01,044 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1966817922] [2021-11-07 01:25:01,046 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:25:01,046 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:25:01,046 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:25:01,046 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:25:01,047 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:25:01,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,052 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:25:01,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:01,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:25:01,066 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_39|], 21=[|v_#valid_45|]} [2021-11-07 01:25:01,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:25:01,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:01,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:01,075 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,076 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:25:01,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:01,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:01,095 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,097 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:25:01,101 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,101 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:25:01,105 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:25:01,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:25:01,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:25:01,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:25:01,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:25:01,119 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_40|], 28=[|v_#valid_46|]} [2021-11-07 01:25:01,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,180 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:25:01,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 12 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 37 [2021-11-07 01:25:01,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:25:01,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:25:01,183 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,188 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:25:01,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:01,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:25:01,189 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,233 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-11-07 01:25:01,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 14 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 53 [2021-11-07 01:25:01,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:25:01,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:25:01,238 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,254 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:25:01,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:25:01,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:25:01,257 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,261 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:25:01,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,267 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:168 [2021-11-07 01:25:01,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:25:01,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:25:01,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:25:01,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:25:01,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:25:01,299 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 187 [2021-11-07 01:25:01,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,306 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:191, output treesize:187 [2021-11-07 01:25:01,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,383 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:25:01,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:25:01,396 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 388 [2021-11-07 01:25:01,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-07 01:25:01,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 454 [2021-11-07 01:25:01,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,463 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 60 [2021-11-07 01:25:01,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:25:01,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:25:01,467 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:01,492 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:25:01,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:25:01,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:25:01,497 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,532 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.8 percent of original size [2021-11-07 01:25:01,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:25:01,543 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:25:01,544 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:550, output treesize:411 [2021-11-07 01:25:01,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,596 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:25:01,597 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:25:01,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:25:01,611 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:25:01,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:01,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:25:01,613 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:25:01,617 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,618 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:25:01,623 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:25:01,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:25:01,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:25:01,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:25:01,633 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:25:01,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2021-11-07 01:25:01,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,644 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:25:01,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-07 01:25:01,645 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2021-11-07 01:25:01,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:25:01,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-11-07 01:25:01,655 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,658 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,659 INFO L180 QuantifierPusher]: treesize reduction 8, result has 94.0 percent of original size [2021-11-07 01:25:01,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:25:01,660 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:25:01,660 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:126 [2021-11-07 01:25:01,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,679 INFO L180 QuantifierPusher]: treesize reduction 48, result has 75.3 percent of original size [2021-11-07 01:25:01,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:25:01,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:25:01,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 144 [2021-11-07 01:25:01,694 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-11-07 01:25:01,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:25:01,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:25:01,696 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,701 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,708 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 18 [2021-11-07 01:25:01,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:25:01,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:25:01,710 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,715 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:25:01,718 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:25:01,718 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:200, output treesize:150 [2021-11-07 01:25:01,724 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:25:01,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:25:01,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:25:01,731 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:25:01,761 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:25:01,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 29 [2021-11-07 01:25:01,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,765 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:25:01,766 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:25:01,769 INFO L180 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size [2021-11-07 01:25:01,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:25:01,770 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:25:01,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,774 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-07 01:25:01,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 01:25:01,775 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,775 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:82 [2021-11-07 01:25:01,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,801 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:25:01,802 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:25:01,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:25:01,840 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:25:01,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 54 [2021-11-07 01:25:01,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:25:01,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:25:01,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:25:01,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:25:01,861 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:25:01,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:25:01,864 INFO L628 ElimStorePlain]: treesize reduction 42, result has 66.7 percent of original size [2021-11-07 01:25:01,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:25:01,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:25:01,867 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:25:01,867 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:25:01,875 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:25:02,430 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:25:02,430 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:25:02,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2021-11-07 01:25:02,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715700335] [2021-11-07 01:25:02,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 01:25:02,431 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:25:02,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 01:25:02,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:25:02,432 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 17 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:02,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:25:02,570 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2021-11-07 01:25:02,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-07 01:25:02,570 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 17 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-07 01:25:02,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:25:02,571 INFO L225 Difference]: With dead ends: 23 [2021-11-07 01:25:02,571 INFO L226 Difference]: Without dead ends: 20 [2021-11-07 01:25:02,571 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=133, Invalid=517, Unknown=0, NotChecked=0, Total=650 [2021-11-07 01:25:02,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-07 01:25:02,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-07 01:25:02,575 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 01:25:02,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-11-07 01:25:02,576 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 18 [2021-11-07 01:25:02,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:25:02,576 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-11-07 01:25:02,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 17 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:25:02,577 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-11-07 01:25:02,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:25:02,577 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:25:02,577 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:25:02,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:25:02,785 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable298 [2021-11-07 01:25:02,785 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:25:02,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:25:02,786 INFO L85 PathProgramCache]: Analyzing trace with hash 400940206, now seen corresponding path program 10 times [2021-11-07 01:25:02,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:25:02,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717579527] [2021-11-07 01:25:02,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:25:02,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:25:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:03,986 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 1 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:25:03,986 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:25:03,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717579527] [2021-11-07 01:25:03,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717579527] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:25:03,986 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092776827] [2021-11-07 01:25:03,987 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:25:03,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:25:03,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:25:03,989 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:25:03,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71c165c0-035e-4912-ad8f-1fa46b8f86ca/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 01:25:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:25:04,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-07 01:25:04,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:25:04,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-11-07 01:25:04,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-07 01:25:04,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2021-11-07 01:25:04,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,390 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 37 [2021-11-07 01:25:04,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,396 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 30 [2021-11-07 01:25:04,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,495 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 48 [2021-11-07 01:25:04,617 INFO L354 Elim1Store]: treesize reduction 146, result has 18.0 percent of original size [2021-11-07 01:25:04,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 76 [2021-11-07 01:25:04,954 INFO L354 Elim1Store]: treesize reduction 282, result has 20.1 percent of original size [2021-11-07 01:25:04,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 122 treesize of output 154 [2021-11-07 01:25:04,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:04,996 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 34 [2021-11-07 01:25:05,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,229 INFO L354 Elim1Store]: treesize reduction 371, result has 11.9 percent of original size [2021-11-07 01:25:05,230 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 134 treesize of output 151 [2021-11-07 01:25:05,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,269 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 40 [2021-11-07 01:25:05,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,518 INFO L354 Elim1Store]: treesize reduction 293, result has 8.2 percent of original size [2021-11-07 01:25:05,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 11 case distinctions, treesize of input 149 treesize of output 151 [2021-11-07 01:25:05,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 51 [2021-11-07 01:25:05,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,761 INFO L354 Elim1Store]: treesize reduction 142, result has 2.1 percent of original size [2021-11-07 01:25:05,761 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 6 select indices, 6 select index equivalence classes, 7 disjoint index pairs (out of 15 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 128 treesize of output 141 [2021-11-07 01:25:05,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:05,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 35 [2021-11-07 01:25:06,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,027 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2021-11-07 01:25:06,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,133 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 59 [2021-11-07 01:25:06,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:25:06,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 61 [2021-11-07 01:25:06,405 INFO L354 Elim1Store]: treesize reduction 152, result has 16.0 percent of original size [2021-11-07 01:25:06,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 67 treesize of output 59 [2021-11-07 01:25:06,525 INFO L354 Elim1Store]: treesize reduction 48, result has 2.0 percent of original size [2021-11-07 01:25:06,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 94 treesize of output 54 [2021-11-07 01:25:06,586 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 01:25:06,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:27:12,257 WARN L207 SmtUtils]: Spent 1.15 m on a formula simplification that was a NOOP. DAG size: 269