./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/condg.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_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/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_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/condg.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/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_3c1ce511-948b-49a0-98c6-80e8b5cf185a/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 2909e53e12aac54327f6ce090ad489c978c1fbcfb0ae8bd4172abe8a99b2cb53 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:36:41,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:36:41,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:36:41,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:36:41,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:36:41,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:36:41,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:36:41,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:36:41,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:36:41,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:36:41,077 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:36:41,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:36:41,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:36:41,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:36:41,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:36:41,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:36:41,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:36:41,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:36:41,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:36:41,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:36:41,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:36:41,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:36:41,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:36:41,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:36:41,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:36:41,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:36:41,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:36:41,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:36:41,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:36:41,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:36:41,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:36:41,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:36:41,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:36:41,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:36:41,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:36:41,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:36:41,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:36:41,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:36:41,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:36:41,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:36:41,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:36:41,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:36:41,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:36:41,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:36:41,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:36:41,198 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:36:41,198 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:36:41,198 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:36:41,199 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:36:41,199 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:36:41,199 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:36:41,199 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:36:41,201 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:36:41,201 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:36:41,201 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:36:41,202 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:36:41,202 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:36:41,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:36:41,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:36:41,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:36:41,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:36:41,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:36:41,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:36:41,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:36:41,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:36:41,205 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:36:41,205 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:36:41,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:36:41,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:36:41,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:36:41,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:36:41,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:36:41,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:41,208 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:36:41,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:36:41,209 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:36:41,209 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:36:41,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:36:41,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:36:41,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:36:41,210 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:36:41,210 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_3c1ce511-948b-49a0-98c6-80e8b5cf185a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2909e53e12aac54327f6ce090ad489c978c1fbcfb0ae8bd4172abe8a99b2cb53 [2021-11-07 01:36:41,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:36:41,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:36:41,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:36:41,523 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:36:41,524 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:36:41,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-fpi/condg.c [2021-11-07 01:36:41,615 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/data/b44678620/6943b000cc0e4c3c90d0ca764843393d/FLAGd1fc2aa58 [2021-11-07 01:36:42,071 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:36:42,072 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/sv-benchmarks/c/array-fpi/condg.c [2021-11-07 01:36:42,079 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/data/b44678620/6943b000cc0e4c3c90d0ca764843393d/FLAGd1fc2aa58 [2021-11-07 01:36:42,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/data/b44678620/6943b000cc0e4c3c90d0ca764843393d [2021-11-07 01:36:42,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:36:42,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:36:42,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:42,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:36:42,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:36:42,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:42" (1/1) ... [2021-11-07 01:36:42,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1967d5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42, skipping insertion in model container [2021-11-07 01:36:42,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:42" (1/1) ... [2021-11-07 01:36:42,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:36:42,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:36:42,646 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_3c1ce511-948b-49a0-98c6-80e8b5cf185a/sv-benchmarks/c/array-fpi/condg.c[588,601] [2021-11-07 01:36:42,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:42,673 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:36:42,685 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_3c1ce511-948b-49a0-98c6-80e8b5cf185a/sv-benchmarks/c/array-fpi/condg.c[588,601] [2021-11-07 01:36:42,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:42,712 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:36:42,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42 WrapperNode [2021-11-07 01:36:42,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:42,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:36:42,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:36:42,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:36:42,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42" (1/1) ... [2021-11-07 01:36:42,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42" (1/1) ... [2021-11-07 01:36:42,763 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:36:42,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:36:42,765 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:36:42,765 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:36:42,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42" (1/1) ... [2021-11-07 01:36:42,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42" (1/1) ... [2021-11-07 01:36:42,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42" (1/1) ... [2021-11-07 01:36:42,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42" (1/1) ... [2021-11-07 01:36:42,785 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42" (1/1) ... [2021-11-07 01:36:42,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42" (1/1) ... [2021-11-07 01:36:42,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42" (1/1) ... [2021-11-07 01:36:42,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:36:42,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:36:42,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:36:42,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:36:42,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42" (1/1) ... [2021-11-07 01:36:42,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:42,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:42,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:36:42,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:36:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:36:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:36:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:36:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:36:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:36:42,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:36:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:36:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:36:43,281 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:36:43,282 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-11-07 01:36:43,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:43 BoogieIcfgContainer [2021-11-07 01:36:43,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:36:43,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:36:43,290 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:36:43,293 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:36:43,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:36:42" (1/3) ... [2021-11-07 01:36:43,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6536d2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:43, skipping insertion in model container [2021-11-07 01:36:43,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:42" (2/3) ... [2021-11-07 01:36:43,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6536d2bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:43, skipping insertion in model container [2021-11-07 01:36:43,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:43" (3/3) ... [2021-11-07 01:36:43,297 INFO L111 eAbstractionObserver]: Analyzing ICFG condg.c [2021-11-07 01:36:43,302 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:36:43,302 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:36:43,350 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:36:43,357 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:36:43,357 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:36:43,369 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:43,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-07 01:36:43,374 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:43,374 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:43,375 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:43,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:43,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1910084069, now seen corresponding path program 1 times [2021-11-07 01:36:43,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:43,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205685455] [2021-11-07 01:36:43,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:43,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:43,569 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:43,570 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205685455] [2021-11-07 01:36:43,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205685455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:43,571 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:43,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 01:36:43,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275750727] [2021-11-07 01:36:43,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:36:43,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:43,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:36:43,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:36:43,594 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:43,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:43,650 INFO L93 Difference]: Finished difference Result 22 states and 31 transitions. [2021-11-07 01:36:43,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:36:43,653 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-07 01:36:43,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:43,661 INFO L225 Difference]: With dead ends: 22 [2021-11-07 01:36:43,661 INFO L226 Difference]: Without dead ends: 11 [2021-11-07 01:36:43,666 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:36:43,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-07 01:36:43,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-07 01:36:43,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-11-07 01:36:43,710 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 8 [2021-11-07 01:36:43,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:43,711 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-07 01:36:43,711 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:43,712 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-07 01:36:43,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 01:36:43,713 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:43,713 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:43,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:36:43,714 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:43,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:43,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1202687252, now seen corresponding path program 1 times [2021-11-07 01:36:43,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:43,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943590594] [2021-11-07 01:36:43,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:43,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:43,866 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 01:36:43,866 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:43,867 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943590594] [2021-11-07 01:36:43,867 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943590594] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:36:43,867 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:43,868 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 01:36:43,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277046559] [2021-11-07 01:36:43,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:36:43,870 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:43,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:36:43,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:36:43,881 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:43,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:43,933 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-11-07 01:36:43,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:36:43,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 01:36:43,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:43,935 INFO L225 Difference]: With dead ends: 24 [2021-11-07 01:36:43,935 INFO L226 Difference]: Without dead ends: 18 [2021-11-07 01:36:43,936 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 01:36:43,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-07 01:36:43,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2021-11-07 01:36:43,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:43,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-07 01:36:43,941 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 9 [2021-11-07 01:36:43,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:43,941 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-07 01:36:43,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:43,942 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-07 01:36:43,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:36:43,942 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:43,943 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:43,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:36:43,943 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:43,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:43,944 INFO L85 PathProgramCache]: Analyzing trace with hash 867584416, now seen corresponding path program 1 times [2021-11-07 01:36:43,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:43,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200676069] [2021-11-07 01:36:43,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:43,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:44,694 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:44,702 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:44,703 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200676069] [2021-11-07 01:36:44,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200676069] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:44,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265916659] [2021-11-07 01:36:44,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:44,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:44,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:44,713 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:44,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:36:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:44,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-07 01:36:44,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:44,930 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 01:36:44,949 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 01:36:45,040 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 01:36:45,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2021-11-07 01:36:45,373 INFO L354 Elim1Store]: treesize reduction 39, result has 15.2 percent of original size [2021-11-07 01:36:45,375 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 36 treesize of output 27 [2021-11-07 01:36:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:45,577 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:46,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:36:46,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265916659] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:46,140 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1887275502] [2021-11-07 01:36:46,162 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:36:46,163 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:46,168 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:46,174 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:46,175 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:46,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,209 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:46,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:46,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:36:46,233 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 21=[|v_#valid_25|]} [2021-11-07 01:36:46,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:36:46,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:46,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:46,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,269 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,287 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:36:46,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:46,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:46,292 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:36:46,321 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,322 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:36:46,335 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:36:46,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:36:46,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:46,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:36:46,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:36:46,375 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_18|], 28=[|v_#valid_26|]} [2021-11-07 01:36:46,387 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:46,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:46,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:46,389 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,428 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:36:46,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 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 01:36:46,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:36:46,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:36:46,434 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:36:46,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:46,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:46,487 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,501 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 01:36:46,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:46,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:46,517 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-07 01:36:46,540 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 01:36:46,541 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:164 [2021-11-07 01:36:46,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:36:46,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-07 01:36:46,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 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 35 treesize of output 40 [2021-11-07 01:36:46,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:46,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:46,587 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,597 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:36:46,610 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,611 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:171 [2021-11-07 01:36:46,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:36:46,790 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:36:46,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 376 [2021-11-07 01:36:46,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:46,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 357 [2021-11-07 01:36:46,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 439 [2021-11-07 01:36:46,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:36:46,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:36:46,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:36:46,878 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:46,907 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 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 01:36:46,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:46,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:46,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:46,919 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:46,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:46,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,008 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.0 percent of original size [2021-11-07 01:36:47,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 398 [2021-11-07 01:36:47,018 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:47,018 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:532, output treesize:398 [2021-11-07 01:36:47,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,136 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:36:47,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:47,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:47,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:36:47,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:36:47,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:47,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:47,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:47,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:36:47,159 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:47,160 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:36:47,167 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:36:47,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:36:47,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:47,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:47,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:36:47,189 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:47,212 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:36:47,213 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 01:36:47,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:47,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,227 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:36:47,229 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:36:47,232 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:36:47,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:36:47,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:36:47,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:36:47,247 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:47,247 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:36:47,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,279 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:36:47,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:47,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:47,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:36:47,326 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:36:47,326 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 01:36:47,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:47,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:36:47,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:36:47,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:36:47,340 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:36:47,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,345 INFO L628 ElimStorePlain]: treesize reduction 42, result has 66.7 percent of original size [2021-11-07 01:36:47,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:36:47,348 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:47,349 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:36:47,355 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:36:47,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:36:47,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:47,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:47,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:47,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:36:47,379 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:36:47,413 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:36:47,414 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 33 [2021-11-07 01:36:47,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:47,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:47,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:47,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:47,424 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:36:47,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,433 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,453 INFO L354 Elim1Store]: treesize reduction 30, result has 11.8 percent of original size [2021-11-07 01:36:47,453 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 25 treesize of output 17 [2021-11-07 01:36:47,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-07 01:36:47,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-07 01:36:47,457 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:47,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,465 INFO L628 ElimStorePlain]: treesize reduction 32, result has 80.4 percent of original size [2021-11-07 01:36:47,469 INFO L180 QuantifierPusher]: treesize reduction 6, result has 95.4 percent of original size [2021-11-07 01:36:47,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-07 01:36:47,472 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:47,472 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:125 [2021-11-07 01:36:47,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,501 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.2 percent of original size [2021-11-07 01:36:47,504 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:47,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:36:47,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:47,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:36:47,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:36:47,564 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:36:47,564 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 35 treesize of output 57 [2021-11-07 01:36:47,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:47,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:47,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:47,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,623 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:36:47,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 58 [2021-11-07 01:36:47,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:47,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:36:47,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:36:47,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:36:47,635 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:36:47,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:47,644 INFO L628 ElimStorePlain]: treesize reduction 49, result has 79.8 percent of original size [2021-11-07 01:36:47,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:47,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:36:47,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:47,652 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:190, output treesize:193 [2021-11-07 01:36:47,659 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:36:47,661 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:36:47,666 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:48,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:48,414 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:48,415 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2021-11-07 01:36:48,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45455777] [2021-11-07 01:36:48,415 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-11-07 01:36:48,416 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:48,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-11-07 01:36:48,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=611, Unknown=0, NotChecked=0, Total=702 [2021-11-07 01:36:48,418 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 22 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:49,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:49,111 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2021-11-07 01:36:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-07 01:36:49,112 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-07 01:36:49,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:49,113 INFO L225 Difference]: With dead ends: 35 [2021-11-07 01:36:49,113 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:36:49,114 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 10 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=171, Invalid=1089, Unknown=0, NotChecked=0, Total=1260 [2021-11-07 01:36:49,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:36:49,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2021-11-07 01:36:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2021-11-07 01:36:49,121 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 28 transitions. Word has length 11 [2021-11-07 01:36:49,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:49,122 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-11-07 01:36:49,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:49,122 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-07 01:36:49,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:36:49,123 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:49,123 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:49,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:49,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:49,337 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:49,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:49,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1750679399, now seen corresponding path program 2 times [2021-11-07 01:36:49,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:49,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802337601] [2021-11-07 01:36:49,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:49,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:49,424 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 01:36:49,425 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:49,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802337601] [2021-11-07 01:36:49,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802337601] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:49,425 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237403629] [2021-11-07 01:36:49,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:36:49,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:49,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:49,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:49,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:36:49,509 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:36:49,509 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:36:49,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:36:49,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:49,616 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 01:36:49,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:49,680 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 01:36:49,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237403629] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:49,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2022781420] [2021-11-07 01:36:49,683 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:36:49,683 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:49,683 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:49,683 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:49,684 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:49,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:49,706 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:49,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:36:49,726 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 21=[|v_#valid_28|]} [2021-11-07 01:36:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,745 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:36:49,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:49,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:49,747 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:36:49,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:49,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:49,776 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,780 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:36:49,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,784 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:36:49,790 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:36:49,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:36:49,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:36:49,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:49,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:36:49,807 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_21|], 28=[|v_#valid_29|]} [2021-11-07 01:36:49,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,858 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:36:49,859 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 01:36:49,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:36:49,863 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:36:49,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,872 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:49,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:49,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:49,874 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,882 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,910 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:36:49,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:49,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:49,917 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,924 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,938 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 01:36:49,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:49,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:49,941 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:49,951 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-07 01:36:49,957 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 01:36:49,957 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:164 [2021-11-07 01:36:49,961 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:49,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:36:49,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-07 01:36:49,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:49,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-11-07 01:36:49,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:49,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:49,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:49,995 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:49,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,003 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:36:50,010 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,010 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:171 [2021-11-07 01:36:50,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:36:50,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:36:50,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 376 [2021-11-07 01:36:50,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 357 [2021-11-07 01:36:50,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 439 [2021-11-07 01:36:50,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 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 01:36:50,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:50,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:50,181 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:50,203 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:36:50,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:36:50,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:36:50,207 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,249 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,267 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.0 percent of original size [2021-11-07 01:36:50,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 398 [2021-11-07 01:36:50,275 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:50,275 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:532, output treesize:398 [2021-11-07 01:36:50,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,361 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:36:50,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:50,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:36:50,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:36:50,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:50,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:50,377 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,380 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:36:50,383 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,383 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:36:50,388 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:36:50,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:36:50,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:50,397 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:36:50,423 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:36:50,423 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 01:36:50,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,430 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:36:50,431 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:36:50,432 INFO L180 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size [2021-11-07 01:36:50,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:36:50,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:36:50,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,436 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,438 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-07 01:36:50,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 01:36:50,440 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,440 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:82 [2021-11-07 01:36:50,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,466 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:36:50,468 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:50,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:36:50,514 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:36:50,515 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 01:36:50,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:36:50,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:36:50,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:36:50,532 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:36:50,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,536 INFO L628 ElimStorePlain]: treesize reduction 34, result has 71.2 percent of original size [2021-11-07 01:36:50,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:36:50,540 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,541 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:36:50,547 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:36:50,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:36:50,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:36:50,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:50,562 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:36:50,596 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:36:50,596 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 33 [2021-11-07 01:36:50,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:50,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:50,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:50,607 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:36:50,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,614 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,633 INFO L354 Elim1Store]: treesize reduction 30, result has 11.8 percent of original size [2021-11-07 01:36:50,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 17 [2021-11-07 01:36:50,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-07 01:36:50,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-07 01:36:50,639 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:50,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,647 INFO L628 ElimStorePlain]: treesize reduction 9, result has 94.5 percent of original size [2021-11-07 01:36:50,651 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.1 percent of original size [2021-11-07 01:36:50,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:36:50,654 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:50,654 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:148 [2021-11-07 01:36:50,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,684 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.2 percent of original size [2021-11-07 01:36:50,688 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:36:50,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:36:50,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:36:50,754 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:36:50,754 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 36 treesize of output 58 [2021-11-07 01:36:50,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:50,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:36:50,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:36:50,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:36:50,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:36:50,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:36:50,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,823 INFO L354 Elim1Store]: treesize reduction 46, result has 24.6 percent of original size [2021-11-07 01:36:50,823 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 35 treesize of output 33 [2021-11-07 01:36:50,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:50,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:50,827 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:36:50,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:50,836 INFO L628 ElimStorePlain]: treesize reduction 94, result has 61.6 percent of original size [2021-11-07 01:36:50,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:50,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:36:50,841 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:50,841 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:190, output treesize:151 [2021-11-07 01:36:50,849 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:36:50,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:36:50,856 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:51,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:51,512 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:51,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-07 01:36:51,513 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827655182] [2021-11-07 01:36:51,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-07 01:36:51,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:51,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-07 01:36:51,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-11-07 01:36:51,514 INFO L87 Difference]: Start difference. First operand 21 states and 28 transitions. Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:51,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:51,611 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2021-11-07 01:36:51,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:36:51,613 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 01:36:51,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:51,614 INFO L225 Difference]: With dead ends: 51 [2021-11-07 01:36:51,614 INFO L226 Difference]: Without dead ends: 32 [2021-11-07 01:36:51,614 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:36:51,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-11-07 01:36:51,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 20. [2021-11-07 01:36:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-11-07 01:36:51,620 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 12 [2021-11-07 01:36:51,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:51,620 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-11-07 01:36:51,620 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:51,620 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2021-11-07 01:36:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:36:51,621 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:51,621 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:51,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:51,840 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:51,840 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:51,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:51,841 INFO L85 PathProgramCache]: Analyzing trace with hash -2081436655, now seen corresponding path program 3 times [2021-11-07 01:36:51,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:51,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920799379] [2021-11-07 01:36:51,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:51,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:51,919 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 01:36:51,919 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:51,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920799379] [2021-11-07 01:36:51,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920799379] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:51,920 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041057286] [2021-11-07 01:36:51,920 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:36:51,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:51,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:51,921 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:51,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:36:52,029 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:36:52,030 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:36:52,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:36:52,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:52,102 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 01:36:52,102 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:52,156 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 01:36:52,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041057286] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:52,157 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [672625365] [2021-11-07 01:36:52,163 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:36:52,163 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:52,163 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:52,164 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:52,164 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:52,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:52,185 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:36:52,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:36:52,189 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|], 21=[|v_#valid_31|]} [2021-11-07 01:36:52,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:36:52,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:52,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,201 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:52,201 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:36:52,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:52,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:52,244 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,248 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:36:52,252 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,252 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:36:52,259 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:36:52,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:36:52,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:36:52,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:52,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:36:52,275 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_24|], 28=[|v_#valid_32|]} [2021-11-07 01:36:52,283 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:36:52,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:52,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:52,285 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,315 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:36:52,315 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 01:36:52,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:36:52,318 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:36:52,323 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,330 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:36:52,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:52,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:52,362 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,370 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 01:36:52,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:52,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:36:52,395 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,403 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-07 01:36:52,410 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 01:36:52,411 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:164 [2021-11-07 01:36:52,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:36:52,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:36:52,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:36:52,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:36:52,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:36:52,445 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,453 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 01:36:52,460 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,460 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:187, output treesize:183 [2021-11-07 01:36:52,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,568 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:52,577 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,578 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:36:52,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 380 [2021-11-07 01:36:52,585 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 01:36:52,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 446 [2021-11-07 01:36:52,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 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 01:36:52,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:36:52,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:36:52,652 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:36:52,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:36:52,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:36:52,679 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,737 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.5 percent of original size [2021-11-07 01:36:52,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 403 [2021-11-07 01:36:52,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:52,744 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:542, output treesize:403 [2021-11-07 01:36:52,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,810 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:36:52,812 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:36:52,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:36:52,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:36:52,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:52,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:36:52,822 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,824 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:36:52,827 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,828 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:36:52,835 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:36:52,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:36:52,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:52,848 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:36:52,872 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:36:52,872 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 01:36:52,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:36:52,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:36:52,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:36:52,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:36:52,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,886 INFO L628 ElimStorePlain]: treesize reduction 25, result has 74.2 percent of original size [2021-11-07 01:36:52,888 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:36:52,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:36:52,890 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,891 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:36:52,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:52,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:52,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:36:52,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:52,950 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-07 01:36:52,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:52,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:52,954 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:52,962 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:52,982 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:36:52,982 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 01:36:52,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:52,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:52,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:52,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:52,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:52,992 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:36:52,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,016 INFO L628 ElimStorePlain]: treesize reduction 33, result has 87.8 percent of original size [2021-11-07 01:36:53,025 INFO L180 QuantifierPusher]: treesize reduction 102, result has 57.0 percent of original size [2021-11-07 01:36:53,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:36:53,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:53,028 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:279, output treesize:135 [2021-11-07 01:36:53,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,064 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:36:53,065 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:53,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:53,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:36:53,101 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:36:53,101 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 01:36:53,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:53,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,107 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:36:53,108 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:36:53,109 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:36:53,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:53,110 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:36:53,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,113 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:36:53,116 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:53,117 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:36:53,122 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:36:53,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:36:53,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:53,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:36:53,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:53,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:36:53,134 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:36:53,161 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:36:53,162 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 33 [2021-11-07 01:36:53,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,165 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:53,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:53,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:53,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:53,169 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:36:53,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,194 INFO L354 Elim1Store]: treesize reduction 30, result has 11.8 percent of original size [2021-11-07 01:36:53,194 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 25 treesize of output 17 [2021-11-07 01:36:53,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-07 01:36:53,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-07 01:36:53,198 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:53,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,205 INFO L628 ElimStorePlain]: treesize reduction 9, result has 94.5 percent of original size [2021-11-07 01:36:53,209 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.1 percent of original size [2021-11-07 01:36:53,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:36:53,212 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:53,212 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:148 [2021-11-07 01:36:53,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,242 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.2 percent of original size [2021-11-07 01:36:53,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:53,244 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:36:53,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:53,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:36:53,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:36:53,298 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:36:53,299 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 35 treesize of output 57 [2021-11-07 01:36:53,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:53,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:53,303 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:53,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,311 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,348 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:36:53,348 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 36 treesize of output 58 [2021-11-07 01:36:53,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,355 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:53,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:36:53,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:36:53,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:36:53,360 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:36:53,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:53,368 INFO L628 ElimStorePlain]: treesize reduction 49, result has 79.8 percent of original size [2021-11-07 01:36:53,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:53,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:36:53,373 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:53,374 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:190, output treesize:193 [2021-11-07 01:36:53,380 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:36:53,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:36:53,386 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:53,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:53,860 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:53,860 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2021-11-07 01:36:53,860 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958119114] [2021-11-07 01:36:53,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-07 01:36:53,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:53,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-07 01:36:53,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:36:53,861 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:53,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:53,989 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2021-11-07 01:36:53,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:36:53,990 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 01:36:53,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:53,990 INFO L225 Difference]: With dead ends: 32 [2021-11-07 01:36:53,991 INFO L226 Difference]: Without dead ends: 26 [2021-11-07 01:36:53,991 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:36:53,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-07 01:36:53,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16. [2021-11-07 01:36:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:53,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-11-07 01:36:53,995 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 12 [2021-11-07 01:36:53,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:53,995 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-07 01:36:53,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-07 01:36:53,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-07 01:36:53,996 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:53,996 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:54,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:54,206 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:54,207 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:54,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:54,207 INFO L85 PathProgramCache]: Analyzing trace with hash -900606331, now seen corresponding path program 4 times [2021-11-07 01:36:54,207 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:54,208 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401785946] [2021-11-07 01:36:54,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:54,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:54,800 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 01:36:54,800 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:54,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401785946] [2021-11-07 01:36:54,801 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401785946] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:54,801 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685097914] [2021-11-07 01:36:54,801 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:36:54,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:54,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:54,802 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:54,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 01:36:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:54,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-07 01:36:54,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:54,923 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 01:36:54,929 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 01:36:54,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,953 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 01:36:54,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:54,991 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 01:36:55,003 INFO L354 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2021-11-07 01:36:55,003 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 01:36:55,155 INFO L354 Elim1Store]: treesize reduction 38, result has 9.5 percent of original size [2021-11-07 01:36:55,155 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 150 treesize of output 108 [2021-11-07 01:36:55,160 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 0 case distinctions, treesize of input 113 treesize of output 104 [2021-11-07 01:36:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,237 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:55,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2021-11-07 01:36:55,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,412 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 84 [2021-11-07 01:36:55,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,440 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 47 treesize of output 27 [2021-11-07 01:36:55,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,616 INFO L354 Elim1Store]: treesize reduction 230, result has 23.1 percent of original size [2021-11-07 01:36:55,617 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 6 new quantified variables, introduced 12 case distinctions, treesize of input 117 treesize of output 141 [2021-11-07 01:36:55,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:55,855 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:55,856 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 1 case distinctions, treesize of input 81 treesize of output 73 [2021-11-07 01:36:56,070 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:36:56,071 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 67 treesize of output 39 [2021-11-07 01:36:56,096 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 01:36:56,096 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:37:12,990 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 01:37:12,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685097914] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:37:12,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1666239288] [2021-11-07 01:37:12,994 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:37:12,994 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:37:12,994 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:37:12,995 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:37:12,995 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:37:13,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,003 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:13,005 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:13,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:37:13,009 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_26|], 21=[|v_#valid_35|]} [2021-11-07 01:37:13,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:37:13,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:13,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:13,021 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,024 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:37:13,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:13,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:13,047 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:37:13,053 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,053 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:37:13,060 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:37:13,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:13,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:37:13,065 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:13,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:37:13,078 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_27|], 28=[|v_#valid_36|]} [2021-11-07 01:37:13,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,126 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:37:13,126 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 01:37:13,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:13,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:13,131 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,137 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:37:13,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:13,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:13,138 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:37:13,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:13,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:13,182 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,189 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 01:37:13,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:13,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:13,204 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,210 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-07 01:37:13,217 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 01:37:13,217 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:164 [2021-11-07 01:37:13,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:37:13,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:37:13,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,248 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:37:13,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:13,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:13,253 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,260 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 01:37:13,268 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,268 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:187, output treesize:183 [2021-11-07 01:37:13,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,384 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:13,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:37:13,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 380 [2021-11-07 01:37:13,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 01:37:13,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 446 [2021-11-07 01:37:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:37:13,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:13,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:13,444 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:13,467 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 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 01:37:13,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:37:13,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:37:13,471 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,512 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,539 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.5 percent of original size [2021-11-07 01:37:13,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 403 [2021-11-07 01:37:13,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:13,549 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:542, output treesize:403 [2021-11-07 01:37:13,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,627 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:37:13,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:13,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:37:13,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:37:13,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:13,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:13,641 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:37:13,646 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,646 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:37:13,652 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:13,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:13,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:13,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:37:13,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:13,687 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:37:13,687 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 01:37:13,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 01:37:13,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 01:37:13,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 01:37:13,696 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:13,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,701 INFO L628 ElimStorePlain]: treesize reduction 32, result has 69.8 percent of original size [2021-11-07 01:37:13,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 01:37:13,704 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,704 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:74 [2021-11-07 01:37:13,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,730 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:37:13,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:13,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:37:13,783 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:37:13,784 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 01:37:13,785 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:37:13,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:37:13,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:37:13,793 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:37:13,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,798 INFO L628 ElimStorePlain]: treesize reduction 41, result has 67.2 percent of original size [2021-11-07 01:37:13,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:37:13,802 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,802 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:37:13,807 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:13,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:13,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:37:13,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:13,820 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:37:13,857 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:37:13,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 32 [2021-11-07 01:37:13,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:13,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:13,862 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:13,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,895 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,928 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:37:13,928 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 33 [2021-11-07 01:37:13,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:37:13,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:37:13,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:37:13,937 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:13,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,945 INFO L628 ElimStorePlain]: treesize reduction 43, result has 76.6 percent of original size [2021-11-07 01:37:13,948 INFO L180 QuantifierPusher]: treesize reduction 6, result has 95.7 percent of original size [2021-11-07 01:37:13,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:37:13,950 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:13,951 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:135 [2021-11-07 01:37:13,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:13,985 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.2 percent of original size [2021-11-07 01:37:13,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:37:13,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:13,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:13,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:13,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:37:14,043 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:37:14,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 58 [2021-11-07 01:37:14,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:14,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:14,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:14,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:14,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:14,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:37:14,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:37:14,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:37:14,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:14,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:37:14,060 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:37:14,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:14,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:14,101 INFO L354 Elim1Store]: treesize reduction 46, result has 24.6 percent of original size [2021-11-07 01:37:14,102 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 35 treesize of output 33 [2021-11-07 01:37:14,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:14,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:14,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:14,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:14,106 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:14,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:14,115 INFO L628 ElimStorePlain]: treesize reduction 94, result has 61.6 percent of original size [2021-11-07 01:37:14,118 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:14,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:37:14,120 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:14,121 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:190, output treesize:151 [2021-11-07 01:37:14,127 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:14,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:14,137 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:37:14,953 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:37:14,953 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:37:14,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 30 [2021-11-07 01:37:14,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200125400] [2021-11-07 01:37:14,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2021-11-07 01:37:14,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:37:14,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-11-07 01:37:14,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1054, Unknown=13, NotChecked=0, Total=1190 [2021-11-07 01:37:14,955 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 30 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:16,697 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base))) (and (not (= |c_ULTIMATE.start_main_~#sum~0.base| c_ULTIMATE.start_main_~a~0.base)) (exists ((|ULTIMATE.start_main_~#sum~0.base| Int) (|ULTIMATE.start_main_~#sum~0.offset| Int)) (let ((.cse0 (select (select |c_#memory_int| |ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|))) (and (not (= |ULTIMATE.start_main_~#sum~0.base| c_ULTIMATE.start_main_~a~0.base)) (= 2 .cse0) (= (+ 2 (select (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) c_ULTIMATE.start_main_~a~0.offset)) .cse0)))) (= c_ULTIMATE.start_main_~a~0.offset 0) (let ((.cse1 (select .cse2 (+ c_ULTIMATE.start_main_~a~0.offset 4)))) (or (= .cse1 0) (= .cse1 1))) (forall ((v_ULTIMATE.start_main_~i~0_137 Int)) (or (< v_ULTIMATE.start_main_~i~0_137 (+ c_ULTIMATE.start_main_~i~0 1)) (let ((.cse8 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse9 (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)))) (let ((.cse5 (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_137 4))) (.cse10 (select .cse8 .cse9)) (.cse3 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0))) (and (or (not .cse3) (let ((.cse4 (store .cse8 .cse9 (+ (- 1) .cse10)))) (let ((.cse7 (= (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse4) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse6 (select .cse4 .cse5))) (and (or (= (select (store .cse4 .cse5 (+ .cse6 1)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse7) (or (not .cse7) (= (select (store .cse4 .cse5 (+ (- 1) .cse6)) c_ULTIMATE.start_main_~a~0.offset) 0)))))) (or (let ((.cse12 (store .cse8 .cse9 (+ .cse10 1)))) (let ((.cse11 (= (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse12) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse13 (select .cse12 .cse5))) (and (or .cse11 (= (select (store .cse12 .cse5 (+ .cse13 1)) c_ULTIMATE.start_main_~a~0.offset) 0)) (or (not .cse11) (= (select (store .cse12 .cse5 (+ (- 1) .cse13)) c_ULTIMATE.start_main_~a~0.offset) 0))))) .cse3)))))) (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0) (= (select (let ((.cse14 (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)))) (store .cse2 .cse14 (+ (- 1) (select .cse2 .cse14)))) 0) 0))) is different from false [2021-11-07 01:37:18,087 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse1 (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)))) (let ((.cse3 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse2 (select .cse0 .cse1))) (and (<= 1 c_ULTIMATE.start___VERIFIER_assert_~cond) (or (= (select (store .cse0 .cse1 (+ .cse2 1)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse3) (exists ((|ULTIMATE.start_main_~#sum~0.base| Int) (|ULTIMATE.start_main_~#sum~0.offset| Int)) (let ((.cse4 (select (select |c_#memory_int| |ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|))) (and (not (= |ULTIMATE.start_main_~#sum~0.base| c_ULTIMATE.start_main_~a~0.base)) (= 2 .cse4) (= (+ 2 (select (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) c_ULTIMATE.start_main_~a~0.offset)) .cse4)))) (or (not .cse3) (= (select (store .cse0 .cse1 (+ (- 1) .cse2)) c_ULTIMATE.start_main_~a~0.offset) 0)) (= c_ULTIMATE.start_main_~a~0.offset 0) (let ((.cse5 (select .cse0 (+ c_ULTIMATE.start_main_~a~0.offset 4)))) (or (= .cse5 0) (= .cse5 1))) (forall ((v_ULTIMATE.start_main_~i~0_137 Int)) (or (< v_ULTIMATE.start_main_~i~0_137 (+ c_ULTIMATE.start_main_~i~0 1)) (let ((.cse11 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse12 (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)))) (let ((.cse8 (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_137 4))) (.cse13 (select .cse11 .cse12)) (.cse6 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0))) (and (or (not .cse6) (let ((.cse7 (store .cse11 .cse12 (+ (- 1) .cse13)))) (let ((.cse10 (= (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse7) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse9 (select .cse7 .cse8))) (and (or (= (select (store .cse7 .cse8 (+ .cse9 1)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse10) (or (not .cse10) (= (select (store .cse7 .cse8 (+ (- 1) .cse9)) c_ULTIMATE.start_main_~a~0.offset) 0)))))) (or (let ((.cse15 (store .cse11 .cse12 (+ .cse13 1)))) (let ((.cse14 (= (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse15) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse16 (select .cse15 .cse8))) (and (or .cse14 (= (select (store .cse15 .cse8 (+ .cse16 1)) c_ULTIMATE.start_main_~a~0.offset) 0)) (or (not .cse14) (= (select (store .cse15 .cse8 (+ (- 1) .cse16)) c_ULTIMATE.start_main_~a~0.offset) 0))))) .cse6))))))))) is different from false [2021-11-07 01:37:19,033 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse1 (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)))) (let ((.cse3 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse2 (select .cse0 .cse1))) (and (<= 1 c_ULTIMATE.start___VERIFIER_assert_~cond) (or (= (select (store .cse0 .cse1 (+ .cse2 1)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse3) (= (select .cse0 0) 0) (or (not .cse3) (= (select (store .cse0 .cse1 (+ (- 1) .cse2)) c_ULTIMATE.start_main_~a~0.offset) 0)) (= c_ULTIMATE.start_main_~a~0.offset 0) (forall ((v_ULTIMATE.start_main_~i~0_137 Int)) (or (< v_ULTIMATE.start_main_~i~0_137 (+ c_ULTIMATE.start_main_~i~0 1)) (let ((.cse9 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse10 (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)))) (let ((.cse6 (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_137 4))) (.cse11 (select .cse9 .cse10)) (.cse4 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0))) (and (or (not .cse4) (let ((.cse5 (store .cse9 .cse10 (+ (- 1) .cse11)))) (let ((.cse8 (= (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse5) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse7 (select .cse5 .cse6))) (and (or (= (select (store .cse5 .cse6 (+ .cse7 1)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse8) (or (not .cse8) (= (select (store .cse5 .cse6 (+ (- 1) .cse7)) c_ULTIMATE.start_main_~a~0.offset) 0)))))) (or (let ((.cse13 (store .cse9 .cse10 (+ .cse11 1)))) (let ((.cse12 (= (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse13) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse14 (select .cse13 .cse6))) (and (or .cse12 (= (select (store .cse13 .cse6 (+ .cse14 1)) c_ULTIMATE.start_main_~a~0.offset) 0)) (or (not .cse12) (= (select (store .cse13 .cse6 (+ (- 1) .cse14)) c_ULTIMATE.start_main_~a~0.offset) 0))))) .cse4))))))))) is different from false [2021-11-07 01:37:19,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:37:19,063 INFO L93 Difference]: Finished difference Result 43 states and 55 transitions. [2021-11-07 01:37:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-07 01:37:19,063 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-07 01:37:19,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:37:19,065 INFO L225 Difference]: With dead ends: 43 [2021-11-07 01:37:19,065 INFO L226 Difference]: Without dead ends: 34 [2021-11-07 01:37:19,067 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 15 SyntacticMatches, 5 SemanticMatches, 43 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=185, Invalid=1533, Unknown=16, NotChecked=246, Total=1980 [2021-11-07 01:37:19,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-07 01:37:19,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 27. [2021-11-07 01:37:19,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:19,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-11-07 01:37:19,075 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 14 [2021-11-07 01:37:19,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:37:19,075 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-11-07 01:37:19,075 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 1.1) internal successors, (33), 30 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:19,075 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-11-07 01:37:19,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-07 01:37:19,076 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:37:19,076 INFO L513 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:37:19,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:37:19,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable125 [2021-11-07 01:37:19,286 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:37:19,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:37:19,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1631292812, now seen corresponding path program 5 times [2021-11-07 01:37:19,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:37:19,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134456392] [2021-11-07 01:37:19,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:37:19,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:37:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:37:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:37:19,393 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:37:19,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134456392] [2021-11-07 01:37:19,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134456392] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:37:19,394 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745193825] [2021-11-07 01:37:19,394 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:37:19,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:19,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:37:19,397 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:37:19,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 01:37:19,578 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:37:19,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:37:19,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:37:19,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:37:19,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:37:19,674 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:37:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:37:19,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745193825] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:37:19,737 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1530473649] [2021-11-07 01:37:19,740 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:37:19,741 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:37:19,741 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:37:19,741 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:37:19,742 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:37:19,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:19,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:19,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:19,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:19,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:37:19,756 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_29|], 21=[|v_#valid_38|]} [2021-11-07 01:37:19,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,767 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:37:19,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:19,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:19,769 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:19,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:19,775 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:37:19,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:19,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:19,793 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:19,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:19,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:37:19,800 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:19,800 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:37:19,806 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:37:19,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:19,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:19,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:19,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:19,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:19,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:37:19,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:37:19,823 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_30|], 28=[|v_#valid_39|]} [2021-11-07 01:37:19,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,884 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:37:19,885 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 01:37:19,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:19,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:19,888 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:19,896 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:37:19,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:19,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:19,899 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:19,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:19,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:37:19,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:19,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:19,937 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:19,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:19,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 01:37:19,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:19,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:19,959 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:19,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:19,965 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-07 01:37:19,970 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 01:37:19,971 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:164 [2021-11-07 01:37:19,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:19,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:19,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:37:19,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:37:19,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:19,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:37:19,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:20,003 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:20,004 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:20,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 01:37:20,017 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:20,017 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:187, output treesize:183 [2021-11-07 01:37:20,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:20,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:37:20,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 380 [2021-11-07 01:37:20,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 01:37:20,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 446 [2021-11-07 01:37:20,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:20,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:20,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:37:20,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:20,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:20,174 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:20,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:20,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:20,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:20,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:20,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 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 01:37:20,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:37:20,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:37:20,200 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:20,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,264 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.5 percent of original size [2021-11-07 01:37:20,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 403 [2021-11-07 01:37:20,271 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:20,271 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:542, output treesize:403 [2021-11-07 01:37:20,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,340 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:37:20,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:20,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:37:20,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:37:20,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:20,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:20,352 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:20,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:37:20,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:20,357 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:37:20,362 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:20,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:20,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:20,368 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:37:20,376 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:20,397 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:37:20,397 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 01:37:20,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,400 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:20,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:20,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:20,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:20,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,410 INFO L628 ElimStorePlain]: treesize reduction 31, result has 70.5 percent of original size [2021-11-07 01:37:20,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 01:37:20,413 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:20,413 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:74 [2021-11-07 01:37:20,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,421 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,434 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:37:20,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:20,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:37:20,474 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:37:20,474 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 01:37:20,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,480 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:37:20,481 INFO L185 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size 42 [2021-11-07 01:37:20,482 INFO L180 QuantifierPusher]: treesize reduction 21, result has 66.7 percent of original size [2021-11-07 01:37:20,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:37:20,482 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-11-07 01:37:20,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,489 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-11-07 01:37:20,492 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:20,492 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:102 [2021-11-07 01:37:20,499 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:20,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:20,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:20,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:37:20,514 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:37:20,550 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:37:20,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 25 treesize of output 32 [2021-11-07 01:37:20,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:20,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:20,555 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:20,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,565 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,593 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:37:20,593 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 33 [2021-11-07 01:37:20,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:37:20,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:37:20,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:37:20,600 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:20,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,608 INFO L628 ElimStorePlain]: treesize reduction 20, result has 89.1 percent of original size [2021-11-07 01:37:20,611 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.3 percent of original size [2021-11-07 01:37:20,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-07 01:37:20,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:20,615 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:158 [2021-11-07 01:37:20,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,642 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.2 percent of original size [2021-11-07 01:37:20,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:20,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:37:20,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:37:20,694 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:37:20,695 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 36 treesize of output 58 [2021-11-07 01:37:20,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,698 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:20,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:37:20,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:37:20,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:37:20,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:20,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,736 INFO L354 Elim1Store]: treesize reduction 46, result has 24.6 percent of original size [2021-11-07 01:37:20,737 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 35 treesize of output 33 [2021-11-07 01:37:20,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:20,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:20,741 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:20,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:20,747 INFO L628 ElimStorePlain]: treesize reduction 28, result has 86.5 percent of original size [2021-11-07 01:37:20,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:20,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 179 [2021-11-07 01:37:20,754 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:20,754 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:190, output treesize:179 [2021-11-07 01:37:20,760 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:20,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:20,766 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:37:21,236 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:37:21,236 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:37:21,236 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2021-11-07 01:37:21,236 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888001744] [2021-11-07 01:37:21,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-07 01:37:21,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:37:21,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-07 01:37:21,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2021-11-07 01:37:21,238 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 01:37:21,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:37:21,502 INFO L93 Difference]: Finished difference Result 61 states and 71 transitions. [2021-11-07 01:37:21,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-07 01:37:21,502 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 15 [2021-11-07 01:37:21,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:37:21,503 INFO L225 Difference]: With dead ends: 61 [2021-11-07 01:37:21,503 INFO L226 Difference]: Without dead ends: 53 [2021-11-07 01:37:21,504 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 33 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=127, Invalid=473, Unknown=0, NotChecked=0, Total=600 [2021-11-07 01:37:21,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-11-07 01:37:21,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 29. [2021-11-07 01:37:21,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 28 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2021-11-07 01:37:21,511 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 15 [2021-11-07 01:37:21,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:37:21,511 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-11-07 01:37:21,511 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 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 01:37:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-11-07 01:37:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:37:21,512 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:37:21,512 INFO L513 BasicCegarLoop]: trace histogram [5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:37:21,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:37:21,716 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:21,717 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:37:21,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:37:21,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1222709546, now seen corresponding path program 6 times [2021-11-07 01:37:21,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:37:21,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807978713] [2021-11-07 01:37:21,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:37:21,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:37:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:37:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:37:21,827 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:37:21,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807978713] [2021-11-07 01:37:21,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807978713] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:37:21,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800929410] [2021-11-07 01:37:21,828 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:37:21,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:21,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:37:21,829 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:37:21,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 01:37:21,998 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:37:21,999 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:37:22,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:37:22,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:37:22,097 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:37:22,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:37:22,143 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:37:22,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800929410] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:37:22,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [965785041] [2021-11-07 01:37:22,148 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:37:22,148 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:37:22,149 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:37:22,149 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:37:22,149 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:37:22,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:22,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:22,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:37:22,164 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_31|], 21=[|v_#valid_40|]} [2021-11-07 01:37:22,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:37:22,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:22,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:22,175 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,191 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:37:22,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:22,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:22,194 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,197 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:37:22,200 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,200 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:37:22,205 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:37:22,206 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,206 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:37:22,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:22,209 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:22,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:37:22,215 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_32|], 28=[|v_#valid_41|]} [2021-11-07 01:37:22,222 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:37:22,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:22,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:22,224 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,256 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:37:22,257 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 01:37:22,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:22,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:22,260 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:37:22,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:22,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:22,293 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,317 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 01:37:22,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:22,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:22,319 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,325 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-07 01:37:22,330 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 01:37:22,330 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:164 [2021-11-07 01:37:22,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:37:22,339 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:37:22,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:37:22,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:22,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:22,357 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,363 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 01:37:22,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,368 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:187, output treesize:183 [2021-11-07 01:37:22,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,466 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:37:22,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:22,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 380 [2021-11-07 01:37:22,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 01:37:22,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 446 [2021-11-07 01:37:22,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 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 01:37:22,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:37:22,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:37:22,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:22,552 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:37:22,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:22,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:22,556 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,613 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.5 percent of original size [2021-11-07 01:37:22,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 403 [2021-11-07 01:37:22,621 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:22,622 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:542, output treesize:403 [2021-11-07 01:37:22,628 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,684 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:37:22,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:22,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:37:22,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:37:22,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:22,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:22,695 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:37:22,700 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,700 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:37:22,706 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:22,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:22,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:22,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:37:22,719 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:22,739 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:37:22,739 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 01:37:22,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:22,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:22,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:22,747 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:22,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,750 INFO L628 ElimStorePlain]: treesize reduction 31, result has 70.5 percent of original size [2021-11-07 01:37:22,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-11-07 01:37:22,753 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,754 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:74 [2021-11-07 01:37:22,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,777 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:37:22,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:22,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:37:22,821 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:37:22,821 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 01:37:22,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:37:22,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:37:22,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:37:22,836 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:37:22,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,840 INFO L628 ElimStorePlain]: treesize reduction 42, result has 66.7 percent of original size [2021-11-07 01:37:22,842 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:37:22,843 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,844 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:37:22,849 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:22,851 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:22,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:37:22,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:22,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-07 01:37:22,871 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:22,893 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:37:22,894 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 36 treesize of output 38 [2021-11-07 01:37:22,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:22,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:22,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:22,902 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:22,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,917 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:22,929 INFO L354 Elim1Store]: treesize reduction 30, result has 11.8 percent of original size [2021-11-07 01:37:22,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 22 [2021-11-07 01:37:22,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-07 01:37:22,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-07 01:37:22,932 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:22,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,938 INFO L628 ElimStorePlain]: treesize reduction 41, result has 77.3 percent of original size [2021-11-07 01:37:22,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:37:22,942 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:22,942 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:194, output treesize:140 [2021-11-07 01:37:22,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:22,966 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.2 percent of original size [2021-11-07 01:37:22,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:37:22,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:22,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:22,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:22,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:37:23,043 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:37:23,043 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 57 [2021-11-07 01:37:23,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:23,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:23,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:23,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:23,047 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:23,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:23,054 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:23,092 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:37:23,092 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 36 treesize of output 58 [2021-11-07 01:37:23,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:23,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:23,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:23,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:37:23,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:37:23,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:23,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:37:23,111 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:23,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:23,138 INFO L628 ElimStorePlain]: treesize reduction 49, result has 79.8 percent of original size [2021-11-07 01:37:23,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:23,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:37:23,143 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:23,143 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:190, output treesize:193 [2021-11-07 01:37:23,153 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:23,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:23,159 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:37:23,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:37:23,564 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:37:23,564 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 16 [2021-11-07 01:37:23,564 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219478830] [2021-11-07 01:37:23,564 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-11-07 01:37:23,565 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:37:23,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-11-07 01:37:23,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2021-11-07 01:37:23,566 INFO L87 Difference]: Start difference. First operand 29 states and 36 transitions. Second operand has 16 states, 16 states have (on average 1.8125) internal successors, (29), 16 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 01:37:23,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:37:23,695 INFO L93 Difference]: Finished difference Result 59 states and 67 transitions. [2021-11-07 01:37:23,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:37:23,696 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.8125) internal successors, (29), 16 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 17 [2021-11-07 01:37:23,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:37:23,699 INFO L225 Difference]: With dead ends: 59 [2021-11-07 01:37:23,699 INFO L226 Difference]: Without dead ends: 47 [2021-11-07 01:37:23,700 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2021-11-07 01:37:23,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-07 01:37:23,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 30. [2021-11-07 01:37:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2021-11-07 01:37:23,716 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 17 [2021-11-07 01:37:23,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:37:23,716 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2021-11-07 01:37:23,717 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.8125) internal successors, (29), 16 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 01:37:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2021-11-07 01:37:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:37:23,719 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:37:23,720 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:37:23,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:37:23,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-11-07 01:37:23,941 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:37:23,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:37:23,941 INFO L85 PathProgramCache]: Analyzing trace with hash 702654167, now seen corresponding path program 1 times [2021-11-07 01:37:23,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:37:23,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716855162] [2021-11-07 01:37:23,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:37:23,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:37:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:37:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:24,496 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:37:24,496 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716855162] [2021-11-07 01:37:24,497 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716855162] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:37:24,497 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560111810] [2021-11-07 01:37:24,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:37:24,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:24,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:37:24,505 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:37:24,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 01:37:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:37:24,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-07 01:37:24,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:37:24,706 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 01:37:24,711 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 01:37:24,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 01:37:24,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:24,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:37:24,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:24,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:24,926 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:24,927 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 01:37:24,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:24,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-11-07 01:37:25,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:25,137 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 84 [2021-11-07 01:37:25,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:25,168 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 64 treesize of output 40 [2021-11-07 01:37:25,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:25,272 INFO L354 Elim1Store]: treesize reduction 86, result has 14.9 percent of original size [2021-11-07 01:37:25,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 106 treesize of output 94 [2021-11-07 01:37:25,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:25,316 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 60 treesize of output 28 [2021-11-07 01:37:25,621 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:25,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:37:27,173 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:37:27,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560111810] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:37:27,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [543136177] [2021-11-07 01:37:27,176 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-07 01:37:27,176 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:37:27,177 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:37:27,177 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:37:27,177 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:37:27,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,185 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:27,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,187 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:27,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:37:27,192 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_34|], 21=[|v_#valid_44|]} [2021-11-07 01:37:27,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,202 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:37:27,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:27,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:27,204 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,207 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,221 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:37:27,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:27,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:27,227 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,230 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:37:27,238 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,238 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:37:27,244 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:37:27,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:27,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:37:27,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:27,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:37:27,258 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_35|], 28=[|v_#valid_45|]} [2021-11-07 01:37:27,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,304 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:37:27,305 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 01:37:27,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:27,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:27,310 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,316 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:37:27,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:27,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:27,317 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,324 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,355 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:37:27,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:27,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:27,360 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,371 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,386 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 01:37:27,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:27,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:27,393 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,400 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-07 01:37:27,406 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 01:37:27,407 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:164 [2021-11-07 01:37:27,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:37:27,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-07 01:37:27,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,434 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:37:27,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,436 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:27,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:27,438 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,445 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 01:37:27,451 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,451 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:187, output treesize:183 [2021-11-07 01:37:27,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:37:27,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:27,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 380 [2021-11-07 01:37:27,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 01:37:27,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 446 [2021-11-07 01:37:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,602 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:37:27,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:27,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:27,606 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:27,635 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 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 01:37:27,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:37:27,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-07 01:37:27,639 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,680 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,694 INFO L180 QuantifierPusher]: treesize reduction 131, result has 75.5 percent of original size [2021-11-07 01:37:27,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 403 [2021-11-07 01:37:27,701 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:27,701 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:542, output treesize:403 [2021-11-07 01:37:27,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,769 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:37:27,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,771 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:27,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:37:27,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:37:27,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:27,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:27,780 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:37:27,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,786 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:37:27,791 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:27,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:27,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:27,799 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:37:27,824 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:37:27,824 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 01:37:27,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,829 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:37:27,830 INFO L185 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size 27 [2021-11-07 01:37:27,830 INFO L180 QuantifierPusher]: treesize reduction 12, result has 69.2 percent of original size [2021-11-07 01:37:27,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:37:27,831 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:37:27,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,834 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,836 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.5 percent of original size [2021-11-07 01:37:27,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 82 [2021-11-07 01:37:27,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,838 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:82 [2021-11-07 01:37:27,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,872 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:37:27,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:27,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:37:27,916 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:37:27,917 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 01:37:27,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,920 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,923 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:37:27,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:37:27,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:37:27,926 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:37:27,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:27,931 INFO L628 ElimStorePlain]: treesize reduction 41, result has 67.2 percent of original size [2021-11-07 01:37:27,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:37:27,934 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,934 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:37:27,939 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:27,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:27,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:27,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:27,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:37:27,958 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-07 01:37:27,968 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:27,993 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:37:27,994 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 35 treesize of output 37 [2021-11-07 01:37:27,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:27,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:27,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:27,997 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:27,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,003 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,011 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:28,041 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:37:28,042 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 36 treesize of output 38 [2021-11-07 01:37:28,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,045 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:28,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:28,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:28,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:28,050 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:28,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,065 INFO L628 ElimStorePlain]: treesize reduction 24, result has 88.4 percent of original size [2021-11-07 01:37:28,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-07 01:37:28,070 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:28,071 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:194, output treesize:183 [2021-11-07 01:37:28,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,098 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.2 percent of original size [2021-11-07 01:37:28,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:28,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:37:28,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:28,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:28,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:37:28,154 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:37:28,155 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 36 treesize of output 58 [2021-11-07 01:37:28,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:28,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,160 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:28,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-07 01:37:28,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:37:28,166 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:37:28,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 109 [2021-11-07 01:37:28,169 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:37:28,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,178 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,206 INFO L354 Elim1Store]: treesize reduction 46, result has 24.6 percent of original size [2021-11-07 01:37:28,206 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 35 treesize of output 33 [2021-11-07 01:37:28,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:28,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:28,210 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:28,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,219 INFO L628 ElimStorePlain]: treesize reduction 94, result has 61.6 percent of original size [2021-11-07 01:37:28,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-07 01:37:28,224 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:28,224 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:190, output treesize:151 [2021-11-07 01:37:28,230 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:28,232 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:28,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,242 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.6 percent of original size 86 [2021-11-07 01:37:28,245 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.6 percent of original size [2021-11-07 01:37:28,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:37:28,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,275 INFO L180 QuantifierPusher]: treesize reduction 48, result has 61.6 percent of original size [2021-11-07 01:37:28,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:37:28,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:28,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-07 01:37:28,292 INFO L180 QuantifierPusher]: treesize reduction 48, result has 61.6 percent of original size [2021-11-07 01:37:28,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:37:28,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:28,334 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:37:29,420 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:37:29,420 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:37:29,420 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 37 [2021-11-07 01:37:29,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729884104] [2021-11-07 01:37:29,421 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2021-11-07 01:37:29,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:37:29,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-11-07 01:37:29,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1633, Unknown=0, NotChecked=0, Total=1806 [2021-11-07 01:37:29,423 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand has 37 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 37 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:30,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:37:30,832 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2021-11-07 01:37:30,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-07 01:37:30,833 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 37 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:37:30,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:37:30,833 INFO L225 Difference]: With dead ends: 33 [2021-11-07 01:37:30,834 INFO L226 Difference]: Without dead ends: 20 [2021-11-07 01:37:30,835 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 21 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=244, Invalid=2306, Unknown=0, NotChecked=0, Total=2550 [2021-11-07 01:37:30,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-07 01:37:30,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2021-11-07 01:37:30,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 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 01:37:30,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2021-11-07 01:37:30,839 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 17 [2021-11-07 01:37:30,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:37:30,840 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-11-07 01:37:30,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 37 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:30,840 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-11-07 01:37:30,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:37:30,840 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:37:30,841 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:37:30,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:37:31,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable236,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:31,041 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:37:31,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:37:31,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1191869440, now seen corresponding path program 7 times [2021-11-07 01:37:31,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:37:31,042 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198716322] [2021-11-07 01:37:31,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:37:31,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:37:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:37:31,803 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 01:37:31,803 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:37:31,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198716322] [2021-11-07 01:37:31,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198716322] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:37:31,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1913527467] [2021-11-07 01:37:31,803 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:37:31,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:31,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:37:31,805 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:37:31,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 01:37:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:37:32,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-07 01:37:32,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:37:32,086 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 01:37:32,092 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 01:37:32,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,126 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 01:37:32,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,157 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 01:37:32,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,163 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 01:37:32,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,203 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 65 treesize of output 61 [2021-11-07 01:37:32,218 INFO L354 Elim1Store]: treesize reduction 48, result has 23.8 percent of original size [2021-11-07 01:37:32,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 78 treesize of output 87 [2021-11-07 01:37:32,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,413 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 60 treesize of output 48 [2021-11-07 01:37:32,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:32,487 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 69 treesize of output 53 [2021-11-07 01:37:32,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:32,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,573 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 54 treesize of output 47 [2021-11-07 01:37:32,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 105 [2021-11-07 01:37:32,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,774 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 69 treesize of output 39 [2021-11-07 01:37:32,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:32,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:33,009 INFO L354 Elim1Store]: treesize reduction 176, result has 35.1 percent of original size [2021-11-07 01:37:33,009 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 9 case distinctions, treesize of input 115 treesize of output 177 [2021-11-07 01:37:33,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:33,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:33,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:33,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:33,071 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:33,072 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 81 treesize of output 77 [2021-11-07 01:37:33,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:33,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:33,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:33,413 INFO L354 Elim1Store]: treesize reduction 322, result has 21.3 percent of original size [2021-11-07 01:37:33,413 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 159 treesize of output 181 [2021-11-07 01:37:33,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:33,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:33,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:33,543 INFO L354 Elim1Store]: treesize reduction 31, result has 24.4 percent of original size [2021-11-07 01:37:33,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 172 treesize of output 144 [2021-11-07 01:37:33,942 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 01:37:33,943 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:37:52,973 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~0_252 Int) (v_ULTIMATE.start_main_~i~0_253 Int)) (or (let ((.cse10 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse11 (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)))) (let ((.cse3 (+ (* v_ULTIMATE.start_main_~i~0_252 4) c_ULTIMATE.start_main_~a~0.offset)) (.cse8 (+ (* v_ULTIMATE.start_main_~i~0_253 4) c_ULTIMATE.start_main_~a~0.offset)) (.cse12 (select .cse10 .cse11)) (.cse0 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0))) (and (or (not .cse0) (let ((.cse7 (store .cse10 .cse11 (+ (- 1) .cse12)))) (let ((.cse9 (select .cse7 .cse8))) (let ((.cse2 (store .cse7 .cse8 (+ (- 1) .cse9)))) (let ((.cse4 (select .cse2 .cse3)) (.cse1 (= c_~N~0 (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse2) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|))) (.cse5 (= (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse7) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0))) (and (or (not .cse1) (= (select (store .cse2 .cse3 (+ (- 1) .cse4)) c_ULTIMATE.start_main_~a~0.offset) 0)) (or (= (select (store .cse2 .cse3 (+ .cse4 1)) c_ULTIMATE.start_main_~a~0.offset) 0) (not .cse5) .cse1) (or .cse5 (= (select (let ((.cse6 (store .cse7 .cse8 (+ .cse9 1)))) (store .cse6 .cse3 (+ (select .cse6 .cse3) 1))) c_ULTIMATE.start_main_~a~0.offset) 0)))))))) (or (let ((.cse15 (store .cse10 .cse11 (+ .cse12 1)))) (let ((.cse16 (select .cse15 .cse8))) (let ((.cse17 (store .cse15 .cse8 (+ .cse16 1)))) (let ((.cse19 (= c_~N~0 (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse17) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|))) (.cse18 (select .cse17 .cse3)) (.cse13 (= (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse15) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0))) (and (or (not .cse13) (= (select (let ((.cse14 (store .cse15 .cse8 (+ (- 1) .cse16)))) (store .cse14 .cse3 (+ (- 1) (select .cse14 .cse3)))) c_ULTIMATE.start_main_~a~0.offset) 0)) (or (= (select (store .cse17 .cse3 (+ 1 .cse18)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse19) (or (not .cse19) (= (select (store .cse17 .cse3 (+ (- 1) .cse18)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse13)))))) .cse0)))) (< v_ULTIMATE.start_main_~i~0_252 (+ v_ULTIMATE.start_main_~i~0_253 1)) (< v_ULTIMATE.start_main_~i~0_253 (+ c_ULTIMATE.start_main_~i~0 1)))) is different from false [2021-11-07 01:37:59,305 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2021-11-07 01:37:59,306 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1913527467] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:37:59,306 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [185153862] [2021-11-07 01:37:59,307 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:37:59,307 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:37:59,308 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:37:59,308 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:37:59,308 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:37:59,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:59,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:37:59,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:37:59,321 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_37|], 21=[|v_#valid_48|]} [2021-11-07 01:37:59,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,331 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:37:59,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:59,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:59,333 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,336 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:37:59,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:59,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:59,351 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:37:59,355 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,355 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:37:59,358 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:37:59,359 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:59,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:59,361 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:37:59,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:37:59,365 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_38|], 28=[|v_#valid_49|]} [2021-11-07 01:37:59,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,412 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:37:59,413 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 01:37:59,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:59,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:37:59,415 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,422 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:37:59,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:59,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:59,423 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,427 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:37:59,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:59,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:59,449 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,453 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 01:37:59,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:59,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:37:59,469 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,473 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-07 01:37:59,476 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 01:37:59,476 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:164 [2021-11-07 01:37:59,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:37:59,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-07 01:37:59,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,493 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-11-07 01:37:59,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:59,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:59,495 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:37:59,503 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,503 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:171 [2021-11-07 01:37:59,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:37:59,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:37:59,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 376 [2021-11-07 01:37:59,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 357 [2021-11-07 01:37:59,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 439 [2021-11-07 01:37:59,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 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 01:37:59,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:59,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:59,646 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:59,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:37:59,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:59,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:59,671 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,694 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,702 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.0 percent of original size [2021-11-07 01:37:59,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 398 [2021-11-07 01:37:59,706 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:59,706 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:532, output treesize:398 [2021-11-07 01:37:59,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,763 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:37:59,764 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,765 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:37:59,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:37:59,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:37:59,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:59,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:37:59,773 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,776 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:37:59,778 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,778 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:37:59,783 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:59,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:59,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,788 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,788 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:59,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-07 01:37:59,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:59,819 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:37:59,819 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 01:37:59,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,828 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:37:59,829 INFO L185 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size 32 [2021-11-07 01:37:59,830 INFO L180 QuantifierPusher]: treesize reduction 12, result has 72.7 percent of original size [2021-11-07 01:37:59,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:37:59,831 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:37:59,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,833 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-07 01:37:59,836 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,836 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:88, output treesize:94 [2021-11-07 01:37:59,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,852 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:37:59,853 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,854 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,854 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:37:59,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:37:59,885 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:37:59,885 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 01:37:59,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:37:59,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:37:59,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:37:59,891 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:37:59,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,894 INFO L628 ElimStorePlain]: treesize reduction 42, result has 66.7 percent of original size [2021-11-07 01:37:59,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:37:59,896 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,896 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:37:59,900 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:37:59,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:37:59,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:37:59,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:37:59,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-07 01:37:59,929 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:59,947 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:37:59,947 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 36 treesize of output 38 [2021-11-07 01:37:59,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:59,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:59,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:59,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:59,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:37:59,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,957 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,963 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:59,972 INFO L354 Elim1Store]: treesize reduction 30, result has 11.8 percent of original size [2021-11-07 01:37:59,972 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 35 treesize of output 22 [2021-11-07 01:37:59,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-07 01:37:59,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-11-07 01:37:59,976 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:59,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,980 INFO L628 ElimStorePlain]: treesize reduction 13, result has 92.8 percent of original size [2021-11-07 01:37:59,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:59,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-11-07 01:37:59,983 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:59,983 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:194, output treesize:168 [2021-11-07 01:37:59,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:59,999 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.2 percent of original size [2021-11-07 01:38:00,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:00,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:00,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:38:00,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:00,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:00,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:38:00,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:38:00,040 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:38:00,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 57 [2021-11-07 01:38:00,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:00,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:38:00,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:00,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:38:00,044 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:00,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:00,048 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:00,080 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:38:00,080 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 36 treesize of output 58 [2021-11-07 01:38:00,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:00,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:00,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:00,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:38:00,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:38:00,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:00,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:38:00,086 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:38:00,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:00,090 INFO L628 ElimStorePlain]: treesize reduction 49, result has 79.8 percent of original size [2021-11-07 01:38:00,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:00,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:38:00,094 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:38:00,095 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:190, output treesize:193 [2021-11-07 01:38:00,099 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:38:00,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:38:00,103 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:38:01,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:38:01,126 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:38:01,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 38 [2021-11-07 01:38:01,127 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70994711] [2021-11-07 01:38:01,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2021-11-07 01:38:01,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:38:01,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-11-07 01:38:01,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1556, Unknown=12, NotChecked=80, Total=1806 [2021-11-07 01:38:01,129 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 38 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 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 01:38:05,343 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse12 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse13 (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)))) (let ((.cse15 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse14 (select .cse12 .cse13))) (and (forall ((v_ULTIMATE.start_main_~i~0_252 Int)) (or (let ((.cse9 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse10 (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)))) (let ((.cse11 (select .cse9 .cse10))) (let ((.cse1 (store .cse9 .cse10 (+ .cse11 1))) (.cse4 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse7 (store .cse9 .cse10 (+ (- 1) .cse11))) (.cse2 (+ (* v_ULTIMATE.start_main_~i~0_252 4) c_ULTIMATE.start_main_~a~0.offset))) (let ((.cse8 (select .cse7 .cse2)) (.cse6 (not .cse4)) (.cse5 (= (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse7) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse3 (select .cse1 .cse2)) (.cse0 (= (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse1) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0))) (and (or (not .cse0) (= (select (store .cse1 .cse2 (+ .cse3 (- 1))) c_ULTIMATE.start_main_~a~0.offset) 0) .cse4) (or (not .cse5) .cse6 (= (select (store .cse7 .cse2 (+ (- 1) .cse8)) c_ULTIMATE.start_main_~a~0.offset) 0)) (or (= (select (store .cse7 .cse2 (+ .cse8 1)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse6 .cse5) (or (= (select (store .cse1 .cse2 (+ .cse3 1)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse0 .cse4)))))) (< v_ULTIMATE.start_main_~i~0_252 (+ c_ULTIMATE.start_main_~i~0 1)))) (<= 1 c_ULTIMATE.start___VERIFIER_assert_~cond) (or (= (select (store .cse12 .cse13 (+ .cse14 1)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse15) (= (select .cse12 c_ULTIMATE.start_main_~a~0.offset) 0) (let ((.cse16 (select .cse12 (+ c_ULTIMATE.start_main_~a~0.offset 8))) (.cse20 (select .cse12 (+ c_ULTIMATE.start_main_~a~0.offset 4)))) (let ((.cse18 (= .cse20 1)) (.cse19 (= .cse16 0)) (.cse17 (= .cse20 0))) (or (and (= .cse16 1) (or .cse17 .cse18)) (and .cse19 .cse18) (and .cse19 .cse17)))) (or (not .cse15) (= (select (store .cse12 .cse13 (+ (- 1) .cse14)) c_ULTIMATE.start_main_~a~0.offset) 0)) (= c_ULTIMATE.start_main_~a~0.offset 0) (exists ((|ULTIMATE.start_main_~#sum~0.base| Int) (|ULTIMATE.start_main_~#sum~0.offset| Int)) (and (not (= |ULTIMATE.start_main_~#sum~0.base| c_ULTIMATE.start_main_~a~0.base)) (= 3 (select (select |c_#memory_int| |ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|))))))) is different from false [2021-11-07 01:38:06,453 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse12 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse13 (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)))) (let ((.cse15 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse14 (select .cse12 .cse13))) (and (forall ((v_ULTIMATE.start_main_~i~0_252 Int)) (or (let ((.cse9 (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base)) (.cse10 (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)))) (let ((.cse11 (select .cse9 .cse10))) (let ((.cse1 (store .cse9 .cse10 (+ .cse11 1))) (.cse4 (= (select (select |c_#memory_int| |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse7 (store .cse9 .cse10 (+ (- 1) .cse11))) (.cse2 (+ (* v_ULTIMATE.start_main_~i~0_252 4) c_ULTIMATE.start_main_~a~0.offset))) (let ((.cse8 (select .cse7 .cse2)) (.cse6 (not .cse4)) (.cse5 (= (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse7) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0)) (.cse3 (select .cse1 .cse2)) (.cse0 (= (select (select (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse1) |c_ULTIMATE.start_main_~#sum~0.base|) |c_ULTIMATE.start_main_~#sum~0.offset|) c_~N~0))) (and (or (not .cse0) (= (select (store .cse1 .cse2 (+ .cse3 (- 1))) c_ULTIMATE.start_main_~a~0.offset) 0) .cse4) (or (not .cse5) .cse6 (= (select (store .cse7 .cse2 (+ (- 1) .cse8)) c_ULTIMATE.start_main_~a~0.offset) 0)) (or (= (select (store .cse7 .cse2 (+ .cse8 1)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse6 .cse5) (or (= (select (store .cse1 .cse2 (+ .cse3 1)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse0 .cse4)))))) (< v_ULTIMATE.start_main_~i~0_252 (+ c_ULTIMATE.start_main_~i~0 1)))) (<= 1 c_ULTIMATE.start___VERIFIER_assert_~cond) (or (= (select (store .cse12 .cse13 (+ .cse14 1)) c_ULTIMATE.start_main_~a~0.offset) 0) .cse15) (= (select .cse12 0) 0) (or (not .cse15) (= (select (store .cse12 .cse13 (+ (- 1) .cse14)) c_ULTIMATE.start_main_~a~0.offset) 0)) (= c_ULTIMATE.start_main_~a~0.offset 0)))) is different from false [2021-11-07 01:38:06,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:06,511 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2021-11-07 01:38:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-07 01:38:06,511 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 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 17 [2021-11-07 01:38:06,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:06,512 INFO L225 Difference]: With dead ends: 48 [2021-11-07 01:38:06,512 INFO L226 Difference]: Without dead ends: 38 [2021-11-07 01:38:06,513 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 14 SyntacticMatches, 11 SemanticMatches, 50 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 734 ImplicationChecksByTransitivity, 25.8s TimeCoverageRelationStatistics Valid=224, Invalid=2126, Unknown=14, NotChecked=288, Total=2652 [2021-11-07 01:38:06,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-11-07 01:38:06,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 30. [2021-11-07 01:38:06,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.206896551724138) internal successors, (35), 29 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:06,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2021-11-07 01:38:06,520 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 17 [2021-11-07 01:38:06,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:06,521 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2021-11-07 01:38:06,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 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 01:38:06,522 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2021-11-07 01:38:06,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:38:06,522 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:06,523 INFO L513 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:38:06,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:06,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:38:06,736 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:06,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:06,736 INFO L85 PathProgramCache]: Analyzing trace with hash 205170097, now seen corresponding path program 8 times [2021-11-07 01:38:06,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:38:06,736 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107507527] [2021-11-07 01:38:06,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:06,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:38:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:38:06,828 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:38:06,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107507527] [2021-11-07 01:38:06,829 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107507527] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:38:06,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833836807] [2021-11-07 01:38:06,829 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:38:06,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:38:06,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:38:06,830 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:38:06,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 01:38:07,162 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:38:07,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:38:07,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-07 01:38:07,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:07,277 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:38:07,277 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:38:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-07 01:38:07,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833836807] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:38:07,354 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1737574949] [2021-11-07 01:38:07,356 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:38:07,356 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:38:07,357 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:38:07,357 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:38:07,357 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:38:07,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:38:07,364 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:38:07,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:38:07,367 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_40|], 21=[|v_#valid_51|]} [2021-11-07 01:38:07,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-07 01:38:07,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:38:07,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:38:07,384 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-07 01:38:07,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:38:07,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:38:07,410 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,415 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:38:07,417 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,417 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:99 [2021-11-07 01:38:07,423 INFO L180 QuantifierPusher]: treesize reduction 6, result has 97.0 percent of original size [2021-11-07 01:38:07,424 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-07 01:38:07,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:38:07,428 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:38:07,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-07 01:38:07,436 INFO L446 ElimStorePlain]: Different costs {9=[|v_#length_41|], 28=[|v_#valid_52|]} [2021-11-07 01:38:07,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-07 01:38:07,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:38:07,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:38:07,449 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,480 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-07 01:38:07,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 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 01:38:07,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:38:07,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:38:07,484 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 49 [2021-11-07 01:38:07,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:38:07,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:38:07,530 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 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 01:38:07,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:38:07,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:38:07,553 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-07 01:38:07,564 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 01:38:07,564 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:360, output treesize:164 [2021-11-07 01:38:07,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:38:07,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 177 [2021-11-07 01:38:07,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 40 [2021-11-07 01:38:07,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:38:07,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:38:07,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-07 01:38:07,613 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,613 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:175, output treesize:171 [2021-11-07 01:38:07,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:38:07,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:38:07,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 376 [2021-11-07 01:38:07,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 357 [2021-11-07 01:38:07,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 439 [2021-11-07 01:38:07,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,739 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 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 01:38:07,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:38:07,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:38:07,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:07,770 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2021-11-07 01:38:07,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:38:07,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:38:07,773 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,805 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,852 INFO L180 QuantifierPusher]: treesize reduction 126, result has 76.0 percent of original size [2021-11-07 01:38:07,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 398 [2021-11-07 01:38:07,859 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:38:07,859 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:532, output treesize:398 [2021-11-07 01:38:07,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,915 INFO L180 QuantifierPusher]: treesize reduction 48, result has 62.2 percent of original size [2021-11-07 01:38:07,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:38:07,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-07 01:38:07,925 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:38:07,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:38:07,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:38:07,927 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,930 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-11-07 01:38:07,932 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,932 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:72 [2021-11-07 01:38:07,938 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:38:07,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:38:07,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:38:07,945 INFO L185 QuantifierPusher]: treesize reduction 3, result has 96.3 percent of original size 77 [2021-11-07 01:38:07,971 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:38:07,972 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 01:38:07,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,974 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:07,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:38:07,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:38:07,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:07,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-07 01:38:07,979 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:38:07,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,982 INFO L628 ElimStorePlain]: treesize reduction 25, result has 74.2 percent of original size [2021-11-07 01:38:07,984 INFO L180 QuantifierPusher]: treesize reduction 3, result has 95.8 percent of original size [2021-11-07 01:38:07,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:38:07,985 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:38:07,985 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:79, output treesize:69 [2021-11-07 01:38:07,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:07,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,013 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:08,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:38:08,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:38:08,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:38:08,052 INFO L354 Elim1Store]: treesize reduction 19, result has 56.8 percent of original size [2021-11-07 01:38:08,055 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 01:38:08,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:08,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:38:08,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:38:08,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:38:08,062 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-11-07 01:38:08,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:08,076 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 22 [2021-11-07 01:38:08,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:38:08,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:38:08,080 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:08,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,089 INFO L628 ElimStorePlain]: treesize reduction 33, result has 87.8 percent of original size [2021-11-07 01:38:08,095 INFO L180 QuantifierPusher]: treesize reduction 102, result has 57.0 percent of original size [2021-11-07 01:38:08,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-07 01:38:08,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:38:08,097 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:279, output treesize:135 [2021-11-07 01:38:08,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,123 INFO L180 QuantifierPusher]: treesize reduction 48, result has 65.0 percent of original size [2021-11-07 01:38:08,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:08,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:38:08,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-07 01:38:08,167 INFO L354 Elim1Store]: treesize reduction 26, result has 63.4 percent of original size [2021-11-07 01:38:08,168 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 01:38:08,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:08,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:38:08,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:38:08,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:38:08,176 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-11-07 01:38:08,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,180 INFO L628 ElimStorePlain]: treesize reduction 41, result has 67.2 percent of original size [2021-11-07 01:38:08,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:38:08,182 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:38:08,183 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:86, output treesize:84 [2021-11-07 01:38:08,188 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:38:08,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:38:08,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:08,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:38:08,195 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:08,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:38:08,198 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.3 percent of original size 109 [2021-11-07 01:38:08,240 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:38:08,240 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 25 treesize of output 32 [2021-11-07 01:38:08,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:38:08,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:38:08,244 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:08,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,250 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,284 INFO L354 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2021-11-07 01:38:08,284 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 33 [2021-11-07 01:38:08,285 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:08,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:38:08,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:38:08,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:38:08,292 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:38:08,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,299 INFO L628 ElimStorePlain]: treesize reduction 20, result has 89.1 percent of original size [2021-11-07 01:38:08,303 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.3 percent of original size [2021-11-07 01:38:08,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 158 [2021-11-07 01:38:08,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:38:08,306 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:158 [2021-11-07 01:38:08,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,341 INFO L180 QuantifierPusher]: treesize reduction 48, result has 74.2 percent of original size [2021-11-07 01:38:08,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:08,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,344 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:38:08,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:08,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-07 01:38:08,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-07 01:38:08,404 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:38:08,405 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 35 treesize of output 57 [2021-11-07 01:38:08,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:38:08,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:38:08,410 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:38:08,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,499 INFO L354 Elim1Store]: treesize reduction 21, result has 65.6 percent of original size [2021-11-07 01:38:08,500 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 36 treesize of output 58 [2021-11-07 01:38:08,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:38:08,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:38:08,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:38:08,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:38:08,508 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-11-07 01:38:08,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:38:08,519 INFO L628 ElimStorePlain]: treesize reduction 49, result has 79.8 percent of original size [2021-11-07 01:38:08,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:08,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 193 [2021-11-07 01:38:08,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:38:08,524 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:190, output treesize:193 [2021-11-07 01:38:08,533 INFO L180 QuantifierPusher]: treesize reduction 49, result has 55.9 percent of original size [2021-11-07 01:38:08,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:38:08,539 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:38:09,041 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:38:09,042 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:38:09,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2021-11-07 01:38:09,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978055282] [2021-11-07 01:38:09,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 01:38:09,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:38:09,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 01:38:09,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:38:09,043 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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 01:38:09,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:38:09,284 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2021-11-07 01:38:09,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-07 01:38:09,284 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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 18 [2021-11-07 01:38:09,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:38:09,285 INFO L225 Difference]: With dead ends: 76 [2021-11-07 01:38:09,285 INFO L226 Difference]: Without dead ends: 67 [2021-11-07 01:38:09,286 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 37 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=175, Invalid=695, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:38:09,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-07 01:38:09,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 32. [2021-11-07 01:38:09,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:38:09,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2021-11-07 01:38:09,295 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 18 [2021-11-07 01:38:09,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:38:09,295 INFO L470 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2021-11-07 01:38:09,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 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 01:38:09,295 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2021-11-07 01:38:09,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-07 01:38:09,296 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:38:09,296 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:38:09,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:38:09,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable324 [2021-11-07 01:38:09,521 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:38:09,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:38:09,521 INFO L85 PathProgramCache]: Analyzing trace with hash 493013884, now seen corresponding path program 2 times [2021-11-07 01:38:09,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:38:09,522 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072930706] [2021-11-07 01:38:09,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:38:09,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:38:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:38:10,643 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:38:10,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072930706] [2021-11-07 01:38:10,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072930706] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:38:10,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755528844] [2021-11-07 01:38:10,644 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:38:10,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:38:10,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:38:10,645 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:38:10,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c1ce511-948b-49a0-98c6-80e8b5cf185a/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 01:38:11,082 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-07 01:38:11,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:38:11,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-07 01:38:11,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:38:11,139 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 01:38:11,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,186 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 21 treesize of output 20 [2021-11-07 01:38:11,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,272 INFO L354 Elim1Store]: treesize reduction 54, result has 23.9 percent of original size [2021-11-07 01:38:11,272 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 2 case distinctions, treesize of input 38 treesize of output 40 [2021-11-07 01:38:11,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,457 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-11-07 01:38:11,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 55 treesize of output 52 [2021-11-07 01:38:11,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,563 INFO L354 Elim1Store]: treesize reduction 26, result has 3.7 percent of original size [2021-11-07 01:38:11,563 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 52 [2021-11-07 01:38:11,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,596 INFO L354 Elim1Store]: treesize reduction 68, result has 1.4 percent of original size [2021-11-07 01:38:11,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 63 [2021-11-07 01:38:11,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:38:11,704 INFO L354 Elim1Store]: treesize reduction 111, result has 17.2 percent of original size [2021-11-07 01:38:11,705 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 6 new quantified variables, introduced 5 case distinctions, treesize of input 112 treesize of output 120 [2021-11-07 01:38:11,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,759 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 78 treesize of output 45 [2021-11-07 01:38:11,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:11,818 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 102 treesize of output 54 [2021-11-07 01:38:12,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:12,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:12,040 INFO L354 Elim1Store]: treesize reduction 94, result has 19.7 percent of original size [2021-11-07 01:38:12,041 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 145 treesize of output 129 [2021-11-07 01:38:12,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:12,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:12,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:12,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:12,183 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 143 treesize of output 93 [2021-11-07 01:38:12,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:12,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:12,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:12,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:12,210 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 142 treesize of output 100 [2021-11-07 01:38:12,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:12,593 INFO L354 Elim1Store]: treesize reduction 314, result has 31.0 percent of original size [2021-11-07 01:38:12,594 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 7 new quantified variables, introduced 18 case distinctions, treesize of input 163 treesize of output 233 [2021-11-07 01:38:13,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:13,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:13,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:13,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:13,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:13,422 INFO L354 Elim1Store]: treesize reduction 10, result has 63.0 percent of original size [2021-11-07 01:38:13,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 114 treesize of output 80 [2021-11-07 01:38:13,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:13,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:13,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:13,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:13,865 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 72 treesize of output 36 [2021-11-07 01:38:14,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:14,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:14,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:14,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:14,656 INFO L354 Elim1Store]: treesize reduction 31, result has 27.9 percent of original size [2021-11-07 01:38:14,656 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 135 treesize of output 89 [2021-11-07 01:38:15,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,146 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 59 treesize of output 35 [2021-11-07 01:38:15,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,210 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 61 treesize of output 35 [2021-11-07 01:38:15,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:15,312 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:15,312 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 1 case distinctions, treesize of input 68 treesize of output 54 [2021-11-07 01:38:19,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:19,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:19,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:19,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:38:19,096 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:38:19,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 301 treesize of output 261 [2021-11-07 01:38:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:38:26,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:30,672 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~i~0_321 Int) (|ULTIMATE.start_main_~#sum~0.offset| Int) (v_subst_2 Int)) (let ((.cse1 (+ c_ULTIMATE.start_main_~a~0.offset 4))) (let ((.cse6 (let ((.cse16 (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)) 1))) (let ((.cse11 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse16))) (store .cse11 |c_ULTIMATE.start_main_~#sum~0.base| (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~#sum~0.base|))) (store .cse12 |ULTIMATE.start_main_~#sum~0.offset| (let ((.cse13 (select .cse16 c_ULTIMATE.start_main_~a~0.offset)) (.cse14 (select .cse12 |ULTIMATE.start_main_~#sum~0.offset|))) (let ((.cse15 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse12 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse13 .cse14))) c_ULTIMATE.start_main_~a~0.base) .cse1))) (+ (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse12 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse13 .cse14 .cse15))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* v_subst_2 4))) .cse13 .cse14 .cse15)))))))))) (let ((.cse7 (let ((.cse10 (select .cse6 c_ULTIMATE.start_main_~a~0.base))) (store .cse10 c_ULTIMATE.start_main_~a~0.offset (+ (select .cse10 c_ULTIMATE.start_main_~a~0.offset) 1))))) (let ((.cse0 (let ((.cse8 (store .cse7 .cse1 (+ (select .cse7 .cse1) 1))) (.cse9 (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_321 4)))) (store .cse8 .cse9 (+ (select .cse8 .cse9) 1))))) (or (= (select .cse0 .cse1) 0) (not (= (select .cse0 c_ULTIMATE.start_main_~a~0.offset) 0)) (let ((.cse5 (+ v_ULTIMATE.start_main_~i~0_321 1))) (let ((.cse3 (select (select (store .cse6 c_ULTIMATE.start_main_~a~0.base .cse7) |c_ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|)) (.cse2 (<= v_ULTIMATE.start_main_~i~0_321 0)) (.cse4 (<= .cse5 c_ULTIMATE.start_main_~i~0))) (and (or .cse2 (<= .cse3 2) (<= .cse3 (+ c_ULTIMATE.start_main_~i~0 1)) .cse4) (or (<= .cse5 .cse3) .cse2 .cse4)))))))))) (forall ((v_ULTIMATE.start_main_~i~0_321 Int) (|ULTIMATE.start_main_~#sum~0.offset| Int) (v_subst_1 Int)) (let ((.cse18 (+ c_ULTIMATE.start_main_~a~0.offset 4))) (let ((.cse23 (let ((.cse31 (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)) 1))) (let ((.cse26 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse31))) (store .cse26 |c_ULTIMATE.start_main_~#sum~0.base| (let ((.cse27 (select .cse26 |c_ULTIMATE.start_main_~#sum~0.base|))) (store .cse27 |ULTIMATE.start_main_~#sum~0.offset| (let ((.cse28 (select .cse31 c_ULTIMATE.start_main_~a~0.offset)) (.cse29 (select .cse27 |ULTIMATE.start_main_~#sum~0.offset|))) (let ((.cse30 (select (select (store .cse26 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse27 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse28 .cse29))) c_ULTIMATE.start_main_~a~0.base) .cse18))) (+ .cse28 .cse29 .cse30 (select (select (store .cse26 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse27 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse28 .cse29 .cse30))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* v_subst_1 4))))))))))))) (let ((.cse24 (let ((.cse25 (select .cse23 c_ULTIMATE.start_main_~a~0.base))) (store .cse25 c_ULTIMATE.start_main_~a~0.offset (+ (- 1) (select .cse25 c_ULTIMATE.start_main_~a~0.offset)))))) (let ((.cse22 (select (select (store .cse23 c_ULTIMATE.start_main_~a~0.base .cse24) |c_ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|))) (or (let ((.cse19 (store .cse24 .cse18 (+ (- 1) (select .cse24 .cse18)))) (.cse20 (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_321 4)))) (let ((.cse21 (select .cse19 .cse20))) (and (let ((.cse17 (store .cse19 .cse20 (+ .cse21 (- 1))))) (or (not (= (select .cse17 c_ULTIMATE.start_main_~a~0.offset) 0)) (= (select .cse17 .cse18) 0))) (or (= .cse22 (select (select (store .cse23 c_ULTIMATE.start_main_~a~0.base .cse19) |c_ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|)) (not (= (select (store .cse19 .cse20 (+ .cse21 1)) c_ULTIMATE.start_main_~a~0.offset) 0)))))) (<= .cse22 1) (< (+ v_ULTIMATE.start_main_~i~0_321 1) .cse22) (<= .cse22 c_ULTIMATE.start_main_~i~0)))))))) is different from false [2021-11-07 01:39:40,129 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~i~0_329 Int)) (or (and (forall ((v_ULTIMATE.start_main_~i~0_321 Int) (|ULTIMATE.start_main_~#sum~0.offset| Int) (v_subst_2 Int)) (let ((.cse7 (+ c_ULTIMATE.start_main_~a~0.offset 4))) (let ((.cse5 (let ((.cse16 (store (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)) 1) (+ (* v_ULTIMATE.start_main_~i~0_329 4) c_ULTIMATE.start_main_~a~0.offset) 1))) (let ((.cse11 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse16))) (store .cse11 |c_ULTIMATE.start_main_~#sum~0.base| (let ((.cse12 (select .cse11 |c_ULTIMATE.start_main_~#sum~0.base|))) (store .cse12 |ULTIMATE.start_main_~#sum~0.offset| (let ((.cse13 (select .cse16 c_ULTIMATE.start_main_~a~0.offset)) (.cse15 (select .cse12 |ULTIMATE.start_main_~#sum~0.offset|))) (let ((.cse14 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse12 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse13 .cse15))) c_ULTIMATE.start_main_~a~0.base) .cse7))) (+ .cse13 .cse14 (select (select (store .cse11 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse12 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse13 .cse14 .cse15))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* v_subst_2 4))) .cse15)))))))))) (let ((.cse6 (let ((.cse10 (select .cse5 c_ULTIMATE.start_main_~a~0.base))) (store .cse10 c_ULTIMATE.start_main_~a~0.offset (+ (select .cse10 c_ULTIMATE.start_main_~a~0.offset) 1))))) (let ((.cse0 (let ((.cse8 (store .cse6 .cse7 (+ (select .cse6 .cse7) 1))) (.cse9 (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_321 4)))) (store .cse8 .cse9 (+ (select .cse8 .cse9) 1))))) (or (not (= (select .cse0 c_ULTIMATE.start_main_~a~0.offset) 0)) (let ((.cse1 (+ v_ULTIMATE.start_main_~i~0_321 1))) (let ((.cse2 (select (select (store .cse5 c_ULTIMATE.start_main_~a~0.base .cse6) |c_ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|)) (.cse3 (<= v_ULTIMATE.start_main_~i~0_321 0)) (.cse4 (<= .cse1 v_ULTIMATE.start_main_~i~0_329))) (and (or (<= .cse1 .cse2) .cse3 .cse4) (or (<= .cse2 2) (<= .cse2 (+ v_ULTIMATE.start_main_~i~0_329 1)) .cse3 .cse4)))) (= (select .cse0 .cse7) 0))))))) (forall ((v_ULTIMATE.start_main_~i~0_321 Int) (|ULTIMATE.start_main_~#sum~0.offset| Int) (v_subst_1 Int)) (let ((.cse23 (+ c_ULTIMATE.start_main_~a~0.offset 4))) (let ((.cse21 (let ((.cse31 (store (store (select |c_#memory_int| c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* c_ULTIMATE.start_main_~i~0 4)) 1) (+ (* v_ULTIMATE.start_main_~i~0_329 4) c_ULTIMATE.start_main_~a~0.offset) 1))) (let ((.cse26 (store |c_#memory_int| c_ULTIMATE.start_main_~a~0.base .cse31))) (store .cse26 |c_ULTIMATE.start_main_~#sum~0.base| (let ((.cse27 (select .cse26 |c_ULTIMATE.start_main_~#sum~0.base|))) (store .cse27 |ULTIMATE.start_main_~#sum~0.offset| (let ((.cse28 (select .cse31 c_ULTIMATE.start_main_~a~0.offset)) (.cse30 (select .cse27 |ULTIMATE.start_main_~#sum~0.offset|))) (let ((.cse29 (select (select (store .cse26 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse27 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse28 .cse30))) c_ULTIMATE.start_main_~a~0.base) .cse23))) (+ .cse28 .cse29 (select (select (store .cse26 |c_ULTIMATE.start_main_~#sum~0.base| (store .cse27 |ULTIMATE.start_main_~#sum~0.offset| (+ .cse28 .cse29 .cse30))) c_ULTIMATE.start_main_~a~0.base) (+ c_ULTIMATE.start_main_~a~0.offset (* v_subst_1 4))) .cse30)))))))))) (let ((.cse24 (let ((.cse25 (select .cse21 c_ULTIMATE.start_main_~a~0.base))) (store .cse25 c_ULTIMATE.start_main_~a~0.offset (+ (- 1) (select .cse25 c_ULTIMATE.start_main_~a~0.offset)))))) (let ((.cse17 (select (select (store .cse21 c_ULTIMATE.start_main_~a~0.base .cse24) |c_ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|))) (or (< (+ v_ULTIMATE.start_main_~i~0_321 1) .cse17) (<= .cse17 1) (let ((.cse18 (store .cse24 .cse23 (+ (- 1) (select .cse24 .cse23)))) (.cse19 (+ c_ULTIMATE.start_main_~a~0.offset (* v_ULTIMATE.start_main_~i~0_321 4)))) (let ((.cse20 (select .cse18 .cse19))) (and (or (not (= (select (store .cse18 .cse19 (+ .cse20 1)) c_ULTIMATE.start_main_~a~0.offset) 0)) (= .cse17 (select (select (store .cse21 c_ULTIMATE.start_main_~a~0.base .cse18) |c_ULTIMATE.start_main_~#sum~0.base|) |ULTIMATE.start_main_~#sum~0.offset|))) (let ((.cse22 (store .cse18 .cse19 (+ (- 1) .cse20)))) (or (not (= (select .cse22 c_ULTIMATE.start_main_~a~0.offset) 0)) (= (select .cse22 .cse23) 0)))))) (<= .cse17 v_ULTIMATE.start_main_~i~0_329)))))))) (< v_ULTIMATE.start_main_~i~0_329 (+ c_ULTIMATE.start_main_~i~0 1)))) is different from false