./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_partition_original_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_partition_original_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF --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 7c423fd522e95226e38270ab4d82928946afe4ab8940cfd611684a61e552aff6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 01:38:48,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 01:38:48,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 01:38:48,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 01:38:48,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 01:38:48,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 01:38:48,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 01:38:48,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 01:38:48,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 01:38:48,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 01:38:48,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 01:38:48,689 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 01:38:48,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 01:38:48,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 01:38:48,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 01:38:48,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 01:38:48,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 01:38:48,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 01:38:48,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 01:38:48,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 01:38:48,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 01:38:48,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 01:38:48,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 01:38:48,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 01:38:48,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 01:38:48,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 01:38:48,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 01:38:48,733 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 01:38:48,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 01:38:48,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 01:38:48,735 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 01:38:48,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 01:38:48,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 01:38:48,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 01:38:48,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 01:38:48,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 01:38:48,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 01:38:48,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 01:38:48,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 01:38:48,744 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 01:38:48,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 01:38:48,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-13 01:38:48,794 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 01:38:48,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 01:38:48,796 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 01:38:48,796 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 01:38:48,796 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-13 01:38:48,796 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-13 01:38:48,797 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-13 01:38:48,797 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-13 01:38:48,800 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-13 01:38:48,801 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-13 01:38:48,802 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-13 01:38:48,802 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-13 01:38:48,802 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-13 01:38:48,803 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-13 01:38:48,803 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-13 01:38:48,803 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-13 01:38:48,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 01:38:48,804 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 01:38:48,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 01:38:48,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 01:38:48,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 01:38:48,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 01:38:48,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 01:38:48,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 01:38:48,806 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 01:38:48,806 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 01:38:48,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 01:38:48,807 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 01:38:48,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 01:38:48,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 01:38:48,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 01:38:48,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:38:48,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 01:38:48,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 01:38:48,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 01:38:48,810 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-13 01:38:48,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 01:38:48,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 01:38:48,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 01:38:48,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 01:38:48,812 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_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c423fd522e95226e38270ab4d82928946afe4ab8940cfd611684a61e552aff6 [2021-11-13 01:38:49,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 01:38:49,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 01:38:49,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 01:38:49,185 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 01:38:49,186 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 01:38:49,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/array-examples/standard_partition_original_ground.i [2021-11-13 01:38:49,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/data/cfa311881/34aaa6c6321040f8926f0873f28296d8/FLAGf28776bbe [2021-11-13 01:38:49,728 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 01:38:49,728 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/sv-benchmarks/c/array-examples/standard_partition_original_ground.i [2021-11-13 01:38:49,734 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/data/cfa311881/34aaa6c6321040f8926f0873f28296d8/FLAGf28776bbe [2021-11-13 01:38:50,097 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/data/cfa311881/34aaa6c6321040f8926f0873f28296d8 [2021-11-13 01:38:50,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 01:38:50,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 01:38:50,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 01:38:50,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 01:38:50,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 01:38:50,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:38:50" (1/1) ... [2021-11-13 01:38:50,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5464e459 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50, skipping insertion in model container [2021-11-13 01:38:50,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:38:50" (1/1) ... [2021-11-13 01:38:50,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 01:38:50,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 01:38:50,349 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_bc5643fe-3d17-4946-954f-0160a95b5cb8/sv-benchmarks/c/array-examples/standard_partition_original_ground.i[827,840] [2021-11-13 01:38:50,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:38:50,372 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 01:38:50,383 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_bc5643fe-3d17-4946-954f-0160a95b5cb8/sv-benchmarks/c/array-examples/standard_partition_original_ground.i[827,840] [2021-11-13 01:38:50,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 01:38:50,402 INFO L208 MainTranslator]: Completed translation [2021-11-13 01:38:50,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50 WrapperNode [2021-11-13 01:38:50,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 01:38:50,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 01:38:50,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 01:38:50,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 01:38:50,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50" (1/1) ... [2021-11-13 01:38:50,419 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50" (1/1) ... [2021-11-13 01:38:50,440 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 01:38:50,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 01:38:50,441 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 01:38:50,441 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 01:38:50,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50" (1/1) ... [2021-11-13 01:38:50,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50" (1/1) ... [2021-11-13 01:38:50,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50" (1/1) ... [2021-11-13 01:38:50,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50" (1/1) ... [2021-11-13 01:38:50,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50" (1/1) ... [2021-11-13 01:38:50,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50" (1/1) ... [2021-11-13 01:38:50,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50" (1/1) ... [2021-11-13 01:38:50,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 01:38:50,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 01:38:50,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 01:38:50,467 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 01:38:50,468 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50" (1/1) ... [2021-11-13 01:38:50,475 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 01:38:50,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:38:50,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 01:38:50,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 01:38:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 01:38:50,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 01:38:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 01:38:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 01:38:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 01:38:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 01:38:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 01:38:50,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 01:38:50,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 01:38:50,831 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 01:38:50,832 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-13 01:38:50,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:38:50 BoogieIcfgContainer [2021-11-13 01:38:50,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 01:38:50,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 01:38:50,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 01:38:50,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 01:38:50,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:38:50" (1/3) ... [2021-11-13 01:38:50,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eeb0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:38:50, skipping insertion in model container [2021-11-13 01:38:50,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:38:50" (2/3) ... [2021-11-13 01:38:50,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eeb0e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:38:50, skipping insertion in model container [2021-11-13 01:38:50,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:38:50" (3/3) ... [2021-11-13 01:38:50,849 INFO L111 eAbstractionObserver]: Analyzing ICFG standard_partition_original_ground.i [2021-11-13 01:38:50,854 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 01:38:50,855 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 01:38:50,931 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 01:38:50,945 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 [2021-11-13 01:38:50,946 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 01:38:50,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 12 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:38:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 01:38:50,983 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:50,984 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:50,985 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:38:50,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash 835345387, now seen corresponding path program 1 times [2021-11-13 01:38:51,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:51,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190552745] [2021-11-13 01:38:51,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:51,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:51,191 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:51,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190552745] [2021-11-13 01:38:51,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190552745] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:51,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 01:38:51,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 01:38:51,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669367570] [2021-11-13 01:38:51,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:51,201 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 01:38:51,201 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:51,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 01:38:51,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:38:51,248 INFO L87 Difference]: Start difference. First operand has 16 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 12 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:51,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:51,343 INFO L93 Difference]: Finished difference Result 31 states and 43 transitions. [2021-11-13 01:38:51,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 01:38:51,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-13 01:38:51,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:51,356 INFO L225 Difference]: With dead ends: 31 [2021-11-13 01:38:51,356 INFO L226 Difference]: Without dead ends: 16 [2021-11-13 01:38:51,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 01:38:51,367 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.88ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:51,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 17 Unknown, 0 Unchecked, 1.32ms Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 66.88ms Time] [2021-11-13 01:38:51,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-13 01:38:51,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-13 01:38:51,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:38:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2021-11-13 01:38:51,426 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 8 [2021-11-13 01:38:51,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:51,427 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2021-11-13 01:38:51,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2021-11-13 01:38:51,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 01:38:51,429 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:51,429 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:51,430 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 01:38:51,431 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:38:51,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:51,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1181537117, now seen corresponding path program 1 times [2021-11-13 01:38:51,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:51,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157142559] [2021-11-13 01:38:51,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:51,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 01:38:51,546 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:51,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157142559] [2021-11-13 01:38:51,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157142559] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:38:51,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574964655] [2021-11-13 01:38:51,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:51,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:38:51,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:38:51,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:38:51,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 01:38:51,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:51,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 01:38:51,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:38:51,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 01:38:51,696 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:38:51,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 01:38:51,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574964655] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 01:38:51,767 INFO L186 FreeRefinementEngine]: Found 2 perfect and 1 imperfect interpolant sequences. [2021-11-13 01:38:51,767 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [3] total 5 [2021-11-13 01:38:51,768 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715420325] [2021-11-13 01:38:51,768 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 01:38:51,769 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 01:38:51,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:51,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 01:38:51,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:38:51,771 INFO L87 Difference]: Start difference. First operand 16 states and 20 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:51,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:51,812 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2021-11-13 01:38:51,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 01:38:51,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-13 01:38:51,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:51,817 INFO L225 Difference]: With dead ends: 30 [2021-11-13 01:38:51,817 INFO L226 Difference]: Without dead ends: 18 [2021-11-13 01:38:51,818 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 01:38:51,820 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.74ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.93ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.73ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:51,821 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 15 Unknown, 0 Unchecked, 2.93ms Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 23.73ms Time] [2021-11-13 01:38:51,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-11-13 01:38:51,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-11-13 01:38:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:38:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2021-11-13 01:38:51,833 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 9 [2021-11-13 01:38:51,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:51,833 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2021-11-13 01:38:51,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2021-11-13 01:38:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 01:38:51,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:51,834 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:51,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 01:38:52,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:38:52,035 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:38:52,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:52,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1516618877, now seen corresponding path program 1 times [2021-11-13 01:38:52,036 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:52,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670986250] [2021-11-13 01:38:52,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:52,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 01:38:52,078 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:52,078 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670986250] [2021-11-13 01:38:52,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670986250] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:38:52,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049162315] [2021-11-13 01:38:52,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:52,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:38:52,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:38:52,080 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:38:52,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 01:38:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:52,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 01:38:52,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:38:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 01:38:52,220 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:38:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 01:38:52,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049162315] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:38:52,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [957774737] [2021-11-13 01:38:52,277 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-13 01:38:52,278 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:38:52,283 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:38:52,289 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:38:52,289 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:38:52,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-13 01:38:52,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-13 01:38:52,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-13 01:38:52,365 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 55=[|v_#valid_31|]} [2021-11-13 01:38:52,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-13 01:38:52,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:52,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:52,412 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:52,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:52,453 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,538 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-13 01:38:52,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-13 01:38:52,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:38:52,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:38:52,548 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:52,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:52,571 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-13 01:38:52,582 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:38:52,583 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-13 01:38:52,595 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-13 01:38:52,604 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:52,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:52,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:38:52,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:52,614 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:38:52,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 01:38:52,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:52,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:38:52,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:38:52,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:38:52,647 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:52,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:52,663 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 01:38:52,676 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:38:52,676 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:181, output treesize:183 [2021-11-13 01:38:52,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:52,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:52,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:52,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 01:38:52,935 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,936 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:38:52,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-13 01:38:52,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-13 01:38:52,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-13 01:38:52,974 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:52,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:52,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:52,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:52,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,004 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,006 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:38:53,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:53,009 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:53,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:53,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:38:53,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:53,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:53,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 01:38:53,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-13 01:38:53,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-13 01:38:53,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-13 01:38:53,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-13 01:38:53,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-13 01:38:53,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:53,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:53,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:38:53,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:38:53,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:38:53,163 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:53,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:53,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:53,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:53,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-13 01:38:53,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:38:53,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:38:53,198 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:53,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,365 INFO L180 QuantifierPusher]: treesize reduction 142, result has 74.2 percent of original size [2021-11-13 01:38:53,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 419 [2021-11-13 01:38:53,391 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:38:53,394 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:557, output treesize:419 [2021-11-13 01:38:53,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,542 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-13 01:38:53,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:38:53,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:38:53,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:53,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:38:53,567 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 [2021-11-13 01:38:53,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:38:53,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:38:53,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:53,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,584 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:38:53,595 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:38:53,595 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-13 01:38:53,610 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-13 01:38:53,615 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:38:53,621 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:38:53,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-13 01:38:53,651 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:38:53,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-13 01:38:53,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:38:53,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:38:53,655 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:53,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,662 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,680 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:38:53,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-13 01:38:53,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:38:53,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,684 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:38:53,684 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:53,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,692 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-13 01:38:53,697 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:38:53,698 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-13 01:38:53,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,722 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:38:53,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:53,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:38:53,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:53,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:53,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-13 01:38:53,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:53,784 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:53,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:38:53,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-13 01:38:53,806 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:38:53,818 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:38:53,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:38:53,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:53,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:53,821 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:53,855 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:38:53,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:38:53,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:53,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:53,860 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:53,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:53,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,950 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:38:53,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:38:53,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:53,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:53,953 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:53,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:38:53,977 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:38:53,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:38:53,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:53,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:53,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:53,981 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:53,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:54,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,026 INFO L180 QuantifierPusher]: treesize reduction 218, result has 61.0 percent of original size [2021-11-13 01:38:54,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-13 01:38:54,032 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-13 01:38:54,032 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:575, output treesize:341 [2021-11-13 01:38:54,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:54,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:54,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:54,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:54,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:54,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:54,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:54,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:54,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:54,081 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-13 01:38:54,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:54,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:54,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:54,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:54,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:38:54,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:38:54,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:54,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:54,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:54,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:54,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:54,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-13 01:38:54,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:54,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:38:54,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:54,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:54,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-13 01:38:54,144 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:38:54,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:38:54,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:54,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:54,154 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:54,154 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:54,162 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,184 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:38:54,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:38:54,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:54,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:54,188 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:54,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:54,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-13 01:38:54,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:38:54,201 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-13 01:38:54,212 INFO L180 QuantifierPusher]: treesize reduction 46, result has 65.2 percent of original size [2021-11-13 01:38:54,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:54,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:54,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:38:54,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:54,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:38:54,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:54,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:54,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:54,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:38:54,230 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:38:54,232 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 30 for LOIs [2021-11-13 01:38:54,238 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:38:54,815 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:38:54,815 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:38:54,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2021-11-13 01:38:54,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655253478] [2021-11-13 01:38:54,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:38:54,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 01:38:54,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:54,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 01:38:54,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:38:54,817 INFO L87 Difference]: Start difference. First operand 18 states and 22 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:54,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:54,851 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2021-11-13 01:38:54,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 01:38:54,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-13 01:38:54,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:54,853 INFO L225 Difference]: With dead ends: 36 [2021-11-13 01:38:54,853 INFO L226 Difference]: Without dead ends: 21 [2021-11-13 01:38:54,853 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-13 01:38:54,854 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.96ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.86ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:54,855 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 34 Unknown, 0 Unchecked, 0.96ms Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 26.86ms Time] [2021-11-13 01:38:54,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-13 01:38:54,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-13 01:38:54,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 17 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:38:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-11-13 01:38:54,860 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 11 [2021-11-13 01:38:54,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:54,861 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-11-13 01:38:54,861 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:54,861 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2021-11-13 01:38:54,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 01:38:54,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:54,862 INFO L514 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:54,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 01:38:55,075 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:38:55,075 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:38:55,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:55,076 INFO L85 PathProgramCache]: Analyzing trace with hash 669624011, now seen corresponding path program 2 times [2021-11-13 01:38:55,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:55,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486581387] [2021-11-13 01:38:55,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:55,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 01:38:55,154 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:55,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486581387] [2021-11-13 01:38:55,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486581387] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:38:55,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367411002] [2021-11-13 01:38:55,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 01:38:55,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:38:55,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:38:55,171 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:38:55,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 01:38:55,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 01:38:55,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:38:55,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 01:38:55,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:38:55,274 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 01:38:55,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:38:55,361 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-13 01:38:55,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367411002] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:38:55,362 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1071955147] [2021-11-13 01:38:55,364 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-13 01:38:55,364 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:38:55,365 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:38:55,365 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:38:55,365 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:38:55,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-13 01:38:55,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-13 01:38:55,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-13 01:38:55,381 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 55=[|v_#valid_32|]} [2021-11-13 01:38:55,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-13 01:38:55,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:55,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:55,410 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:55,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:55,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,479 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-13 01:38:55,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-13 01:38:55,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:38:55,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:38:55,485 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:55,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:55,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-13 01:38:55,500 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:38:55,500 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-13 01:38:55,505 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-13 01:38:55,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:38:55,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:38:55,512 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:38:55,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:38:55,515 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-13 01:38:55,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-13 01:38:55,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,534 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-13 01:38:55,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:38:55,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:38:55,537 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:55,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:55,545 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-13 01:38:55,553 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:38:55,553 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-13 01:38:55,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:55,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:55,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:55,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:38:55,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:38:55,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-13 01:38:55,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-13 01:38:55,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-13 01:38:55,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,702 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:55,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:55,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:38:55,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:55,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:55,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:55,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:38:55,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:55,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:55,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:38:55,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-13 01:38:55,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-13 01:38:55,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-11-13 01:38:55,747 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:55,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-13 01:38:55,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 442 [2021-11-13 01:38:55,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-13 01:38:55,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:38:55,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:38:55,804 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:55,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:55,822 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:38:55,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:38:55,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:38:55,825 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:55,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:55,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:55,932 INFO L180 QuantifierPusher]: treesize reduction 142, result has 73.7 percent of original size [2021-11-13 01:38:55,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-13 01:38:55,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:38:55,944 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:547, output treesize:409 [2021-11-13 01:38:55,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,027 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-13 01:38:56,030 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,031 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:38:56,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:38:56,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:56,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:38:56,041 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 [2021-11-13 01:38:56,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:38:56,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:38:56,043 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:56,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:38:56,051 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:38:56,051 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-13 01:38:56,059 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-13 01:38:56,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:38:56,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:38:56,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-13 01:38:56,084 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:38:56,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-13 01:38:56,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:38:56,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:38:56,088 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:56,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,093 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,109 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:38:56,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-13 01:38:56,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:38:56,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:38:56,112 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:56,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,119 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-13 01:38:56,123 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:38:56,124 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-13 01:38:56,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:38:56,174 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,175 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:56,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:38:56,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:56,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:56,191 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-13 01:38:56,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:56,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:38:56,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-13 01:38:56,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:38:56,232 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:38:56,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:38:56,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:56,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:56,235 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:56,261 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:38:56,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:38:56,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:56,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:56,264 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:56,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,292 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:38:56,313 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:38:56,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:38:56,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:56,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:56,316 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:56,344 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:38:56,345 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:38:56,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:56,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:56,347 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:56,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,386 INFO L180 QuantifierPusher]: treesize reduction 218, result has 61.0 percent of original size [2021-11-13 01:38:56,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-13 01:38:56,391 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-13 01:38:56,392 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:575, output treesize:341 [2021-11-13 01:38:56,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,459 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-13 01:38:56,464 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:38:56,469 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:56,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:38:56,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:56,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:56,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-13 01:38:56,484 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:38:56,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:56,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-13 01:38:56,515 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:38:56,515 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:38:56,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:56,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:56,518 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:56,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,526 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,547 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:38:56,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:38:56,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:56,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:56,550 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:56,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:56,557 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-13 01:38:56,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:38:56,563 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-13 01:38:56,575 INFO L180 QuantifierPusher]: treesize reduction 46, result has 65.2 percent of original size [2021-11-13 01:38:56,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,585 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,586 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:38:56,587 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:38:56,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:56,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:56,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:56,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:38:56,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:38:56,594 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 30 for LOIs [2021-11-13 01:38:56,600 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:38:57,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:38:57,194 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:38:57,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 12 [2021-11-13 01:38:57,194 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712175946] [2021-11-13 01:38:57,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:38:57,195 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-13 01:38:57,195 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:57,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-13 01:38:57,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2021-11-13 01:38:57,196 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 12 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:57,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:57,306 INFO L93 Difference]: Finished difference Result 41 states and 53 transitions. [2021-11-13 01:38:57,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-13 01:38:57,307 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 12 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-11-13 01:38:57,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:57,308 INFO L225 Difference]: With dead ends: 41 [2021-11-13 01:38:57,308 INFO L226 Difference]: Without dead ends: 26 [2021-11-13 01:38:57,309 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=139, Invalid=461, Unknown=0, NotChecked=0, Total=600 [2021-11-13 01:38:57,310 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.53ms SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.66ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:57,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 55 Invalid, 63 Unknown, 0 Unchecked, 1.53ms Time], IncrementalHoareTripleChecker [24 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 44.66ms Time] [2021-11-13 01:38:57,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-13 01:38:57,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-13 01:38:57,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:38:57,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2021-11-13 01:38:57,315 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 14 [2021-11-13 01:38:57,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:57,316 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2021-11-13 01:38:57,316 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 12 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:57,316 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-11-13 01:38:57,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-13 01:38:57,317 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:57,317 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:57,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 01:38:57,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2021-11-13 01:38:57,531 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:38:57,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:57,532 INFO L85 PathProgramCache]: Analyzing trace with hash -63208637, now seen corresponding path program 3 times [2021-11-13 01:38:57,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:57,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463725089] [2021-11-13 01:38:57,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:57,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 01:38:57,610 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:57,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463725089] [2021-11-13 01:38:57,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463725089] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:38:57,610 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003884942] [2021-11-13 01:38:57,610 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 01:38:57,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:38:57,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:38:57,611 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:38:57,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 01:38:57,665 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 01:38:57,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:38:57,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 01:38:57,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:38:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 01:38:57,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:38:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 01:38:57,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003884942] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:38:57,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [404666062] [2021-11-13 01:38:57,811 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-13 01:38:57,811 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:38:57,812 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:38:57,812 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:38:57,812 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:38:57,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:57,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-13 01:38:57,828 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:57,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-13 01:38:57,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-13 01:38:57,836 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 55=[|v_#valid_33|]} [2021-11-13 01:38:57,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-13 01:38:57,861 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:57,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:57,863 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:57,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:57,869 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,931 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-13 01:38:57,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-13 01:38:57,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:38:57,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:38:57,938 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:57,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:57,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-13 01:38:57,952 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:38:57,952 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-13 01:38:57,958 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-13 01:38:57,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:57,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,969 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:57,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:38:57,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:38:57,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:57,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:57,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:38:57,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:38:57,975 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:57,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:57,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-13 01:38:57,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-13 01:38:57,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:57,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:58,000 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-13 01:38:58,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:38:58,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:38:58,008 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-13 01:38:58,028 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,028 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-13 01:38:58,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:38:58,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:38:58,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-13 01:38:58,164 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-13 01:38:58,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-13 01:38:58,183 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:58,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:58,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,202 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,203 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:38:58,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:58,205 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,206 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:58,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:58,208 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:38:58,211 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:58,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:38:58,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:38:58,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-13 01:38:58,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-13 01:38:58,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-11-13 01:38:58,227 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-13 01:38:58,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 442 [2021-11-13 01:38:58,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:58,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:58,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:58,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-13 01:38:58,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:38:58,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:38:58,282 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:58,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:38:58,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:38:58,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:38:58,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:38:58,304 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,350 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,377 INFO L180 QuantifierPusher]: treesize reduction 142, result has 73.7 percent of original size [2021-11-13 01:38:58,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-13 01:38:58,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:38:58,388 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:547, output treesize:409 [2021-11-13 01:38:58,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,469 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-13 01:38:58,472 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,473 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:38:58,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:38:58,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,476 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:38:58,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:38:58,484 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 [2021-11-13 01:38:58,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:38:58,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:38:58,486 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:38:58,494 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,494 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-13 01:38:58,503 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-13 01:38:58,506 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:38:58,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,508 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:38:58,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-13 01:38:58,528 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:38:58,528 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-13 01:38:58,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:38:58,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:38:58,531 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,552 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:38:58,553 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-13 01:38:58,553 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:38:58,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:38:58,555 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-13 01:38:58,565 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:38:58,566 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-13 01:38:58,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,604 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:58,608 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:38:58,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:38:58,611 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,613 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:38:58,619 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:38:58,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-13 01:38:58,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:38:58,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:58,636 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-13 01:38:58,675 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:38:58,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:38:58,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:58,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:58,678 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,689 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:38:58,702 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:38:58,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:38:58,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:58,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:58,705 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,746 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,770 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:38:58,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:38:58,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:58,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:58,774 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:38:58,794 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:38:58,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:38:58,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:58,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:58,797 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,835 INFO L180 QuantifierPusher]: treesize reduction 218, result has 61.0 percent of original size [2021-11-13 01:38:58,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-13 01:38:58,839 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-13 01:38:58,840 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:575, output treesize:341 [2021-11-13 01:38:58,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,878 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-13 01:38:58,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:38:58,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:58,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:38:58,889 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,892 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:58,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,895 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:58,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-13 01:38:58,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:38:58,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:38:58,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-13 01:38:58,928 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:38:58,928 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:38:58,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:58,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:38:58,931 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,957 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:38:58,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:38:58,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:58,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:58,960 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:38:58,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:38:58,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-13 01:38:58,971 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:38:58,971 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-13 01:38:58,981 INFO L180 QuantifierPusher]: treesize reduction 46, result has 65.2 percent of original size [2021-11-13 01:38:58,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:38:58,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:38:58,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:38:58,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:38:58,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:38:58,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:38:58,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:38:58,996 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 30 for LOIs [2021-11-13 01:38:59,001 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:38:59,507 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:38:59,507 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:38:59,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-13 01:38:59,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711375173] [2021-11-13 01:38:59,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:38:59,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 01:38:59,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:38:59,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 01:38:59,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:38:59,509 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:59,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:38:59,561 INFO L93 Difference]: Finished difference Result 52 states and 66 transitions. [2021-11-13 01:38:59,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-13 01:38:59,562 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-13 01:38:59,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:38:59,563 INFO L225 Difference]: With dead ends: 52 [2021-11-13 01:38:59,563 INFO L226 Difference]: Without dead ends: 33 [2021-11-13 01:38:59,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2021-11-13 01:38:59,564 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.18ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.19ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.27ms IncrementalHoareTripleChecker+Time [2021-11-13 01:38:59,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 52 Unknown, 0 Unchecked, 1.19ms Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 43.27ms Time] [2021-11-13 01:38:59,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-13 01:38:59,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-13 01:38:59,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 29 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:38:59,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2021-11-13 01:38:59,570 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 19 [2021-11-13 01:38:59,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:38:59,573 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2021-11-13 01:38:59,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:38:59,574 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2021-11-13 01:38:59,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 01:38:59,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:38:59,575 INFO L514 BasicCegarLoop]: trace histogram [12, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:38:59,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 01:38:59,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2021-11-13 01:38:59,791 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:38:59,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:38:59,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1889463157, now seen corresponding path program 4 times [2021-11-13 01:38:59,792 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:38:59,792 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592499112] [2021-11-13 01:38:59,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:38:59,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:38:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:38:59,955 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 01:38:59,955 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:38:59,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592499112] [2021-11-13 01:38:59,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592499112] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:38:59,956 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139521717] [2021-11-13 01:38:59,956 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-13 01:38:59,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:38:59,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:38:59,957 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:38:59,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 01:39:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:00,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-13 01:39:00,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 01:39:00,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:00,388 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 01:39:00,389 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139521717] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:39:00,389 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1698520951] [2021-11-13 01:39:00,391 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-13 01:39:00,391 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:39:00,391 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:39:00,392 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:39:00,392 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:39:00,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-13 01:39:00,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-13 01:39:00,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-13 01:39:00,409 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 55=[|v_#valid_34|]} [2021-11-13 01:39:00,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-13 01:39:00,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:00,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:00,458 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:00,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,464 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,526 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-13 01:39:00,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-13 01:39:00,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:39:00,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:39:00,532 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:00,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,539 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-13 01:39:00,545 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:00,545 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-13 01:39:00,549 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-13 01:39:00,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:39:00,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:39:00,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:39:00,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:00,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-13 01:39:00,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-13 01:39:00,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,574 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-13 01:39:00,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:39:00,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,577 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:39:00,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:00,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-13 01:39:00,591 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:00,592 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-13 01:39:00,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,680 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:00,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:00,683 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,695 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:39:00,706 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:00,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-13 01:39:00,713 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,717 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-13 01:39:00,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-13 01:39:00,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,740 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:00,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:00,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:00,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:00,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:39:00,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:00,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:00,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:39:00,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-13 01:39:00,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-13 01:39:00,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-11-13 01:39:00,766 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-13 01:39:00,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 442 [2021-11-13 01:39:00,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:39:00,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:00,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:00,810 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:00,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:00,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-13 01:39:00,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:39:00,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:39:00,835 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:00,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,879 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,897 INFO L180 QuantifierPusher]: treesize reduction 142, result has 73.7 percent of original size [2021-11-13 01:39:00,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-13 01:39:00,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:00,906 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:547, output treesize:409 [2021-11-13 01:39:00,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,974 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-13 01:39:00,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:39:00,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:39:00,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:00,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:00,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:39:00,989 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 [2021-11-13 01:39:00,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:00,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:00,991 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:00,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:00,994 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:00,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:39:00,997 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:01,012 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-13 01:39:01,021 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-13 01:39:01,023 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:01,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:01,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 01:39:01,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:39:01,049 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:39:01,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 23 [2021-11-13 01:39:01,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:01,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:01,053 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:01,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:01,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:39:01,075 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:39:01,076 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 24 [2021-11-13 01:39:01,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-13 01:39:01,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-13 01:39:01,079 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:01,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:01,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-13 01:39:01,090 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:01,090 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:174, output treesize:166 [2021-11-13 01:39:01,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:01,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:01,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:01,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:01,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:01,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:01,122 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-13 01:39:01,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:01,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:01,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:39:01,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:01,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:01,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-13 01:39:01,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:01,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:01,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-13 01:39:01,177 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:01,178 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:01,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:01,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:01,181 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:01,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:01,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,219 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:01,219 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:01,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:01,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:01,223 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:01,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:01,229 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-13 01:39:01,234 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:01,234 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-13 01:39:01,244 INFO L180 QuantifierPusher]: treesize reduction 46, result has 65.2 percent of original size [2021-11-13 01:39:01,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:01,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:39:01,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:01,254 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:01,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:01,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:39:01,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:39:01,260 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 30 for LOIs [2021-11-13 01:39:01,265 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:39:01,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:39:01,890 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:39:01,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 27 [2021-11-13 01:39:01,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508967271] [2021-11-13 01:39:01,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:39:01,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2021-11-13 01:39:01,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:01,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-11-13 01:39:01,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=792, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:39:01,892 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 27 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:01,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:01,976 INFO L93 Difference]: Finished difference Result 66 states and 87 transitions. [2021-11-13 01:39:01,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-13 01:39:01,977 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 27 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2021-11-13 01:39:01,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:01,978 INFO L225 Difference]: With dead ends: 66 [2021-11-13 01:39:01,978 INFO L226 Difference]: Without dead ends: 47 [2021-11-13 01:39:01,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=398, Invalid=792, Unknown=0, NotChecked=0, Total=1190 [2021-11-13 01:39:01,980 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.83ms SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.30ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:01,980 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 84 Unknown, 0 Unchecked, 4.83ms Time], IncrementalHoareTripleChecker [14 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 57.30ms Time] [2021-11-13 01:39:01,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-11-13 01:39:01,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2021-11-13 01:39:01,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 43 states have (on average 1.0930232558139534) internal successors, (47), 43 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:39:01,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 51 transitions. [2021-11-13 01:39:01,988 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 51 transitions. Word has length 26 [2021-11-13 01:39:01,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:01,988 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 51 transitions. [2021-11-13 01:39:01,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 27 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 51 transitions. [2021-11-13 01:39:01,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 01:39:01,990 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:01,990 INFO L514 BasicCegarLoop]: trace histogram [26, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:39:02,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:02,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable113 [2021-11-13 01:39:02,211 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:39:02,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:02,211 INFO L85 PathProgramCache]: Analyzing trace with hash 363115915, now seen corresponding path program 5 times [2021-11-13 01:39:02,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:02,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936045015] [2021-11-13 01:39:02,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:02,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:02,756 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 01:39:02,757 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:02,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936045015] [2021-11-13 01:39:02,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936045015] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:39:02,757 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247078432] [2021-11-13 01:39:02,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 01:39:02,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:39:02,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:39:02,759 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:39:02,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-13 01:39:02,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-13 01:39:02,948 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:39:02,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-13 01:39:02,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-11-13 01:39:03,201 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:03,508 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-11-13 01:39:03,508 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247078432] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:39:03,508 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [57067845] [2021-11-13 01:39:03,510 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-13 01:39:03,510 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:39:03,511 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:39:03,511 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:39:03,511 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:39:03,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-13 01:39:03,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-13 01:39:03,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-13 01:39:03,538 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 55=[|v_#valid_35|]} [2021-11-13 01:39:03,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-13 01:39:03,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:03,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:03,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:03,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:03,573 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,647 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-13 01:39:03,647 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-13 01:39:03,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:39:03,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:39:03,654 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:03,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:03,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-13 01:39:03,667 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:03,667 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-13 01:39:03,672 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-13 01:39:03,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,676 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:39:03,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:03,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:39:03,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:39:03,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-13 01:39:03,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-13 01:39:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,720 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-13 01:39:03,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:39:03,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:39:03,724 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:03,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:03,732 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-13 01:39:03,739 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:03,740 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-13 01:39:03,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:03,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:03,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:03,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,821 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:03,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:03,823 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,839 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:03,841 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:39:03,847 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-13 01:39:03,848 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,852 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-13 01:39:03,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-13 01:39:03,867 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:03,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:03,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,878 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:39:03,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-13 01:39:03,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-13 01:39:03,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:03,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:03,885 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,886 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:03,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:03,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:39:03,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-11-13 01:39:03,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:03,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-13 01:39:03,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 442 [2021-11-13 01:39:03,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:39:03,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:03,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:03,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:03,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:03,963 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-13 01:39:03,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:39:03,965 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:03,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:39:03,966 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:03,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,008 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,023 INFO L180 QuantifierPusher]: treesize reduction 142, result has 73.7 percent of original size [2021-11-13 01:39:04,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-13 01:39:04,031 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:04,031 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:547, output treesize:409 [2021-11-13 01:39:04,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,123 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-13 01:39:04,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:39:04,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:39:04,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:04,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:39:04,137 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 [2021-11-13 01:39:04,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:04,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:04,139 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:04,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,142 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:39:04,145 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:04,145 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-13 01:39:04,154 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-13 01:39:04,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:39:04,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:39:04,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-13 01:39:04,179 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:39:04,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-13 01:39:04,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:39:04,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:39:04,182 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:04,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,201 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:39:04,201 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-13 01:39:04,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:39:04,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:39:04,204 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:04,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-13 01:39:04,213 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:04,214 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-13 01:39:04,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:04,258 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:04,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:39:04,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,268 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:04,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:04,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-13 01:39:04,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:04,280 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:04,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-13 01:39:04,325 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:04,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:04,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:04,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:04,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:04,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:39:04,349 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:39:04,350 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:04,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:04,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:04,353 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:04,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,374 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,400 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:04,400 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:04,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:04,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:04,403 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:04,412 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:39:04,443 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:39:04,443 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:04,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:04,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:04,445 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:04,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,478 INFO L180 QuantifierPusher]: treesize reduction 218, result has 61.0 percent of original size [2021-11-13 01:39:04,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-13 01:39:04,482 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-13 01:39:04,482 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:575, output treesize:341 [2021-11-13 01:39:04,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,517 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-13 01:39:04,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,522 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:04,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:04,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:39:04,529 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:04,534 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:04,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-13 01:39:04,538 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:04,540 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:04,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-13 01:39:04,566 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:04,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:04,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:04,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:04,570 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:04,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,596 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:04,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:04,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:04,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:04,600 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:04,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:04,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-13 01:39:04,609 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:04,610 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-13 01:39:04,620 INFO L180 QuantifierPusher]: treesize reduction 46, result has 65.2 percent of original size [2021-11-13 01:39:04,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:04,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:39:04,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:04,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:04,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:04,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:39:04,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:39:04,636 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 30 for LOIs [2021-11-13 01:39:04,641 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:39:05,335 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:39:05,335 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:39:05,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 8, 8] total 42 [2021-11-13 01:39:05,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953469867] [2021-11-13 01:39:05,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:39:05,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-13 01:39:05,337 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:05,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-13 01:39:05,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=559, Invalid=1891, Unknown=0, NotChecked=0, Total=2450 [2021-11-13 01:39:05,339 INFO L87 Difference]: Start difference. First operand 47 states and 51 transitions. Second operand has 43 states, 43 states have (on average 1.255813953488372) internal successors, (54), 42 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:06,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:06,032 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2021-11-13 01:39:06,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-13 01:39:06,032 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 1.255813953488372) internal successors, (54), 42 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2021-11-13 01:39:06,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:06,034 INFO L225 Difference]: With dead ends: 75 [2021-11-13 01:39:06,034 INFO L226 Difference]: Without dead ends: 56 [2021-11-13 01:39:06,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1127 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1720, Invalid=4132, Unknown=0, NotChecked=0, Total=5852 [2021-11-13 01:39:06,038 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 116.59ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.32ms SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 149.87ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:06,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 88 Invalid, 211 Unknown, 0 Unchecked, 2.32ms Time], IncrementalHoareTripleChecker [124 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 149.87ms Time] [2021-11-13 01:39:06,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-11-13 01:39:06,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-11-13 01:39:06,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 52 states have (on average 1.0769230769230769) internal successors, (56), 52 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:39:06,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2021-11-13 01:39:06,048 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 60 transitions. Word has length 40 [2021-11-13 01:39:06,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:06,048 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 60 transitions. [2021-11-13 01:39:06,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.255813953488372) internal successors, (54), 42 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:06,049 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 60 transitions. [2021-11-13 01:39:06,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 01:39:06,050 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:06,050 INFO L514 BasicCegarLoop]: trace histogram [27, 14, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:39:06,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:06,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:39:06,263 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:39:06,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:06,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1134293443, now seen corresponding path program 6 times [2021-11-13 01:39:06,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:06,264 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595080341] [2021-11-13 01:39:06,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:06,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:06,700 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 01:39:06,700 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:06,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595080341] [2021-11-13 01:39:06,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595080341] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:39:06,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355567582] [2021-11-13 01:39:06,700 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 01:39:06,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:39:06,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:39:06,701 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:39:06,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-13 01:39:06,794 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 01:39:06,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:39:06,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-13 01:39:06,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:06,933 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 01:39:06,933 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:07,967 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 01:39:07,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355567582] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:39:07,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1890683008] [2021-11-13 01:39:07,970 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-13 01:39:07,970 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:39:07,970 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:39:07,971 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:39:07,971 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:39:07,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:07,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:07,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:07,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-13 01:39:07,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:07,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:07,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-13 01:39:07,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-13 01:39:07,990 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_19|], 55=[|v_#valid_36|]} [2021-11-13 01:39:07,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-13 01:39:08,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:08,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:08,016 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,077 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-13 01:39:08,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-13 01:39:08,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:39:08,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:39:08,082 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-13 01:39:08,093 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,093 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-13 01:39:08,097 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-13 01:39:08,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:08,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:08,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:08,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:08,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:39:08,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 01:39:08,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:39:08,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:08,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:08,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 01:39:08,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,136 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:181, output treesize:183 [2021-11-13 01:39:08,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:08,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:08,214 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,229 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 01:39:08,230 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,231 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:08,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-13 01:39:08,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-13 01:39:08,249 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-13 01:39:08,254 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,260 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,262 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:08,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:08,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,264 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:08,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:08,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:39:08,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,269 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:08,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:08,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 01:39:08,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-13 01:39:08,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-13 01:39:08,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-13 01:39:08,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-13 01:39:08,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-13 01:39:08,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,324 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-13 01:39:08,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:39:08,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:39:08,328 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:08,344 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:39:08,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:08,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:08,348 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,440 INFO L180 QuantifierPusher]: treesize reduction 142, result has 74.2 percent of original size [2021-11-13 01:39:08,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 419 [2021-11-13 01:39:08,448 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:08,449 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:557, output treesize:419 [2021-11-13 01:39:08,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,521 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-13 01:39:08,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:39:08,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:39:08,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:08,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:39:08,537 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 [2021-11-13 01:39:08,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:08,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:08,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:39:08,547 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,547 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-13 01:39:08,555 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-13 01:39:08,557 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:08,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:08,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 132 [2021-11-13 01:39:08,572 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:39:08,582 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:39:08,583 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 24 [2021-11-13 01:39:08,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:08,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,585 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:08,585 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:39:08,607 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:39:08,608 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 23 [2021-11-13 01:39:08,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:08,610 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:08,610 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,623 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,627 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 161 [2021-11-13 01:39:08,628 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:08,628 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:174, output treesize:161 [2021-11-13 01:39:08,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,665 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-13 01:39:08,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,672 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:08,673 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:08,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:39:08,676 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:08,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:08,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-13 01:39:08,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:08,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:08,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-13 01:39:08,709 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:08,709 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:08,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:08,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:08,712 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,733 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:08,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:08,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:08,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:08,736 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:08,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:08,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-13 01:39:08,746 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:08,747 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-13 01:39:08,759 INFO L180 QuantifierPusher]: treesize reduction 46, result has 65.2 percent of original size [2021-11-13 01:39:08,762 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:08,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:39:08,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:08,768 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:08,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:08,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:39:08,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:39:08,774 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 30 for LOIs [2021-11-13 01:39:08,779 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:39:09,311 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:39:09,311 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:39:09,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 57 [2021-11-13 01:39:09,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105445154] [2021-11-13 01:39:09,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:39:09,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2021-11-13 01:39:09,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:09,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-11-13 01:39:09,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1673, Invalid=2487, Unknown=0, NotChecked=0, Total=4160 [2021-11-13 01:39:09,316 INFO L87 Difference]: Start difference. First operand 56 states and 60 transitions. Second operand has 58 states, 58 states have (on average 1.103448275862069) internal successors, (64), 57 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:09,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:09,435 INFO L93 Difference]: Finished difference Result 112 states and 148 transitions. [2021-11-13 01:39:09,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-13 01:39:09,436 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 1.103448275862069) internal successors, (64), 57 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2021-11-13 01:39:09,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:09,437 INFO L225 Difference]: With dead ends: 112 [2021-11-13 01:39:09,437 INFO L226 Difference]: Without dead ends: 85 [2021-11-13 01:39:09,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 578 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1673, Invalid=2487, Unknown=0, NotChecked=0, Total=4160 [2021-11-13 01:39:09,441 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 71.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.38ms SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.19ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:09,441 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 138 Unknown, 0 Unchecked, 1.38ms Time], IncrementalHoareTripleChecker [32 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 89.19ms Time] [2021-11-13 01:39:09,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-11-13 01:39:09,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-11-13 01:39:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 81 states have (on average 1.0493827160493827) internal successors, (85), 81 states have internal predecessors, (85), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:39:09,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2021-11-13 01:39:09,452 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 49 [2021-11-13 01:39:09,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:09,453 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2021-11-13 01:39:09,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 1.103448275862069) internal successors, (64), 57 states have internal predecessors, (64), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2021-11-13 01:39:09,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 01:39:09,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:09,456 INFO L514 BasicCegarLoop]: trace histogram [56, 14, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:39:09,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:09,683 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:39:09,683 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:39:09,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:09,684 INFO L85 PathProgramCache]: Analyzing trace with hash 233755147, now seen corresponding path program 7 times [2021-11-13 01:39:09,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:09,684 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526718537] [2021-11-13 01:39:09,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:09,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:11,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 01:39:11,208 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:11,208 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526718537] [2021-11-13 01:39:11,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526718537] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:39:11,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134100286] [2021-11-13 01:39:11,209 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-13 01:39:11,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:39:11,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:39:11,211 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:39:11,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-13 01:39:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:11,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-13 01:39:11,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 01:39:11,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:14,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 01:39:14,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134100286] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:39:14,965 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [947806856] [2021-11-13 01:39:14,967 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-13 01:39:14,967 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:39:14,967 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:39:14,967 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:39:14,968 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:39:14,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:14,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:14,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:14,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-13 01:39:14,983 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:14,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:14,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-13 01:39:14,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-13 01:39:14,993 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 55=[|v_#valid_37|]} [2021-11-13 01:39:15,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,018 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-13 01:39:15,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:15,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:15,020 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,026 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,082 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-13 01:39:15,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-13 01:39:15,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:39:15,087 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:39:15,088 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-13 01:39:15,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,099 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-13 01:39:15,103 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-13 01:39:15,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:15,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:15,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:15,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:15,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:39:15,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 01:39:15,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:39:15,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:15,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:15,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,140 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 01:39:15,147 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,147 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:181, output treesize:183 [2021-11-13 01:39:15,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:15,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:15,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,230 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:15,243 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 01:39:15,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-13 01:39:15,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-13 01:39:15,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-13 01:39:15,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,273 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,274 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:15,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:15,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,277 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 01:39:15,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-13 01:39:15,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-13 01:39:15,285 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,286 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:15,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:15,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,289 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,290 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:15,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:15,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,292 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:39:15,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-13 01:39:15,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-13 01:39:15,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-13 01:39:15,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-13 01:39:15,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:39:15,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:39:15,362 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:15,389 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:39:15,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,391 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:15,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:15,392 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,430 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,452 INFO L180 QuantifierPusher]: treesize reduction 142, result has 74.2 percent of original size [2021-11-13 01:39:15,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 419 [2021-11-13 01:39:15,460 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:15,461 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:557, output treesize:419 [2021-11-13 01:39:15,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,516 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-13 01:39:15,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:39:15,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:39:15,520 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:15,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:39:15,528 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 [2021-11-13 01:39:15,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:15,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:15,530 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,530 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:39:15,535 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,536 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-13 01:39:15,542 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-13 01:39:15,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:39:15,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:39:15,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-13 01:39:15,564 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:39:15,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-13 01:39:15,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:39:15,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:39:15,567 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,586 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:39:15,586 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-13 01:39:15,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:39:15,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:39:15,589 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,599 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-13 01:39:15,600 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:15,600 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-13 01:39:15,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:15,655 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:15,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:39:15,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,662 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,663 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:15,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,664 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:15,667 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-13 01:39:15,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:15,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:15,677 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-13 01:39:15,711 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:15,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:15,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:15,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:15,714 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:39:15,731 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:39:15,732 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:15,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:15,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:15,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,754 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:39:15,772 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:39:15,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:15,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:15,774 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:15,774 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,794 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:15,794 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:15,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:15,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:15,797 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,824 INFO L180 QuantifierPusher]: treesize reduction 218, result has 61.0 percent of original size [2021-11-13 01:39:15,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-13 01:39:15,826 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-13 01:39:15,826 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:575, output treesize:341 [2021-11-13 01:39:15,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,860 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-13 01:39:15,863 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:15,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:15,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:39:15,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:15,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:15,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-13 01:39:15,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:15,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:15,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-13 01:39:15,917 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:15,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:15,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:15,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:15,920 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,925 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,941 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:15,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:15,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:15,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:15,943 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:15,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:15,947 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-13 01:39:15,951 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:15,951 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-13 01:39:15,960 INFO L180 QuantifierPusher]: treesize reduction 46, result has 65.2 percent of original size [2021-11-13 01:39:15,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:39:15,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:15,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:15,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:15,970 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:15,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:39:15,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:39:15,975 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 30 for LOIs [2021-11-13 01:39:15,980 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:39:16,728 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:39:16,729 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:39:16,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 58, 58] total 115 [2021-11-13 01:39:16,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358879193] [2021-11-13 01:39:16,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:39:16,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2021-11-13 01:39:16,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:16,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2021-11-13 01:39:16,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6690, Invalid=8316, Unknown=0, NotChecked=0, Total=15006 [2021-11-13 01:39:16,738 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand has 116 states, 116 states have (on average 1.0517241379310345) internal successors, (122), 115 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:16,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:16,961 INFO L93 Difference]: Finished difference Result 170 states and 235 transitions. [2021-11-13 01:39:16,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-11-13 01:39:16,962 INFO L78 Accepts]: Start accepts. Automaton has has 116 states, 116 states have (on average 1.0517241379310345) internal successors, (122), 115 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2021-11-13 01:39:16,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:16,965 INFO L225 Difference]: With dead ends: 170 [2021-11-13 01:39:16,965 INFO L226 Difference]: Without dead ends: 143 [2021-11-13 01:39:16,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1187 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=6690, Invalid=8316, Unknown=0, NotChecked=0, Total=15006 [2021-11-13 01:39:16,973 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.03ms SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.40ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:16,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 199 Unknown, 0 Unchecked, 2.03ms Time], IncrementalHoareTripleChecker [65 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 122.40ms Time] [2021-11-13 01:39:16,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-11-13 01:39:16,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2021-11-13 01:39:17,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 139 states have (on average 1.0287769784172662) internal successors, (143), 139 states have internal predecessors, (143), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:39:17,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 147 transitions. [2021-11-13 01:39:17,007 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 147 transitions. Word has length 78 [2021-11-13 01:39:17,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:17,008 INFO L470 AbstractCegarLoop]: Abstraction has 143 states and 147 transitions. [2021-11-13 01:39:17,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 1.0517241379310345) internal successors, (122), 115 states have internal predecessors, (122), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:17,008 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2021-11-13 01:39:17,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-11-13 01:39:17,016 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:17,017 INFO L514 BasicCegarLoop]: trace histogram [114, 14, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:39:17,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:17,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable202 [2021-11-13 01:39:17,243 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:39:17,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:17,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1773448459, now seen corresponding path program 8 times [2021-11-13 01:39:17,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:17,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752865715] [2021-11-13 01:39:17,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:17,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6660 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-13 01:39:22,007 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:22,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752865715] [2021-11-13 01:39:22,007 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752865715] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:39:22,007 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997742434] [2021-11-13 01:39:22,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 01:39:22,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:39:22,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:39:22,010 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:39:22,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-13 01:39:25,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-13 01:39:25,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:39:25,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-13 01:39:25,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:26,793 INFO L134 CoverageAnalysis]: Checked inductivity of 6660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6555 trivial. 0 not checked. [2021-11-13 01:39:26,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:27,869 INFO L134 CoverageAnalysis]: Checked inductivity of 6660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6555 trivial. 0 not checked. [2021-11-13 01:39:27,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997742434] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:39:27,869 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1373876336] [2021-11-13 01:39:27,872 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-13 01:39:27,872 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:39:27,872 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:39:27,873 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:39:27,873 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:39:27,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:27,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:27,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:27,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-13 01:39:27,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:27,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:27,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-13 01:39:27,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-13 01:39:27,890 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 55=[|v_#valid_38|]} [2021-11-13 01:39:27,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-13 01:39:27,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:27,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:27,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:27,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:27,916 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:27,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:27,934 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:27,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:27,989 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-13 01:39:27,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-13 01:39:27,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:27,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:39:27,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:27,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:39:27,995 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:27,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:27,999 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-13 01:39:28,006 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,006 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-13 01:39:28,009 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-13 01:39:28,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:39:28,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:39:28,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:39:28,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:28,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-13 01:39:28,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-13 01:39:28,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:28,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:28,029 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-13 01:39:28,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:39:28,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:39:28,037 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-13 01:39:28,047 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,047 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-13 01:39:28,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,120 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:28,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:28,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:39:28,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:28,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-13 01:39:28,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-13 01:39:28,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-13 01:39:28,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,179 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:28,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:28,181 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:28,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:28,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,184 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:39:28,186 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:28,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:28,189 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,190 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:39:28,192 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-13 01:39:28,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,194 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-13 01:39:28,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-11-13 01:39:28,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-13 01:39:28,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 442 [2021-11-13 01:39:28,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:28,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:28,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:39:28,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:28,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:28,242 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:28,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:28,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:28,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-13 01:39:28,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:39:28,265 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:39:28,266 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,310 INFO L180 QuantifierPusher]: treesize reduction 142, result has 73.7 percent of original size [2021-11-13 01:39:28,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-13 01:39:28,317 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:28,317 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:547, output treesize:409 [2021-11-13 01:39:28,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,365 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,372 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-13 01:39:28,374 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,377 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:39:28,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:39:28,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:28,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:39:28,387 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 [2021-11-13 01:39:28,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:28,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:28,388 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,391 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:39:28,394 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,394 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-13 01:39:28,402 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-13 01:39:28,404 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:39:28,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:39:28,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-13 01:39:28,424 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:39:28,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-13 01:39:28,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:39:28,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:39:28,427 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,446 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:39:28,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-13 01:39:28,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:39:28,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:39:28,449 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-13 01:39:28,459 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:28,459 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-13 01:39:28,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,496 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:28,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,502 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:28,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:39:28,504 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,505 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:28,511 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:28,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-13 01:39:28,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:28,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:28,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-13 01:39:28,534 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:39:28,546 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:39:28,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:28,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:28,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:28,550 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,573 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:28,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:28,574 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:28,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:28,576 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,596 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,607 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:39:28,617 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:39:28,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:28,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:28,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:28,621 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,648 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:28,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:28,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:28,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:28,655 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,675 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,686 INFO L180 QuantifierPusher]: treesize reduction 218, result has 61.0 percent of original size [2021-11-13 01:39:28,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-13 01:39:28,691 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-13 01:39:28,691 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:575, output treesize:341 [2021-11-13 01:39:28,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,728 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-13 01:39:28,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:28,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:28,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:39:28,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:28,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:28,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-13 01:39:28,747 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:28,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:28,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-13 01:39:28,775 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:28,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:28,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:28,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:28,779 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,784 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,804 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:28,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:28,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:28,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:28,807 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:28,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:28,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-13 01:39:28,816 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:28,816 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-13 01:39:28,826 INFO L180 QuantifierPusher]: treesize reduction 46, result has 65.2 percent of original size [2021-11-13 01:39:28,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:28,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:39:28,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:28,834 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:28,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:28,835 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:39:28,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:39:28,839 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 30 for LOIs [2021-11-13 01:39:28,849 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:39:30,079 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:39:30,079 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:39:30,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [116, 16, 16] total 146 [2021-11-13 01:39:30,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818490396] [2021-11-13 01:39:30,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:39:30,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2021-11-13 01:39:30,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:30,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2021-11-13 01:39:30,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7331, Invalid=16231, Unknown=0, NotChecked=0, Total=23562 [2021-11-13 01:39:30,090 INFO L87 Difference]: Start difference. First operand 143 states and 147 transitions. Second operand has 147 states, 147 states have (on average 1.0748299319727892) internal successors, (158), 146 states have internal predecessors, (158), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:36,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:36,089 INFO L93 Difference]: Finished difference Result 187 states and 211 transitions. [2021-11-13 01:39:36,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-13 01:39:36,090 INFO L78 Accepts]: Start accepts. Automaton has has 147 states, 147 states have (on average 1.0748299319727892) internal successors, (158), 146 states have internal predecessors, (158), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2021-11-13 01:39:36,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:36,093 INFO L225 Difference]: With dead ends: 187 [2021-11-13 01:39:36,093 INFO L226 Difference]: Without dead ends: 160 [2021-11-13 01:39:36,101 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 637 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11443 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=24236, Invalid=47856, Unknown=0, NotChecked=0, Total=72092 [2021-11-13 01:39:36,102 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 16 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 951 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 412.50ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.04ms SdHoareTripleChecker+Time, 951 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 501.79ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:36,102 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 121 Invalid, 1158 Unknown, 0 Unchecked, 7.04ms Time], IncrementalHoareTripleChecker [951 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 501.79ms Time] [2021-11-13 01:39:36,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-11-13 01:39:36,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2021-11-13 01:39:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 156 states have (on average 1.0256410256410255) internal successors, (160), 156 states have internal predecessors, (160), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:39:36,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 164 transitions. [2021-11-13 01:39:36,119 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 164 transitions. Word has length 136 [2021-11-13 01:39:36,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:36,119 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 164 transitions. [2021-11-13 01:39:36,120 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 1.0748299319727892) internal successors, (158), 146 states have internal predecessors, (158), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 164 transitions. [2021-11-13 01:39:36,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-13 01:39:36,122 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:36,122 INFO L514 BasicCegarLoop]: trace histogram [115, 30, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:39:36,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:36,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable239 [2021-11-13 01:39:36,327 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:39:36,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:36,328 INFO L85 PathProgramCache]: Analyzing trace with hash 798364867, now seen corresponding path program 9 times [2021-11-13 01:39:36,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:36,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131877251] [2021-11-13 01:39:36,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:36,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:39:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 7135 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-13 01:39:40,999 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:39:40,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131877251] [2021-11-13 01:39:40,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131877251] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:39:40,999 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [594795725] [2021-11-13 01:39:41,000 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 01:39:41,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:39:41,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:39:41,000 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:39:41,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-13 01:39:41,162 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 01:39:41,162 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 01:39:41,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-13 01:39:41,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:39:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 7135 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-13 01:39:41,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:39:54,803 INFO L134 CoverageAnalysis]: Checked inductivity of 7135 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-13 01:39:54,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [594795725] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:39:54,803 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [218096076] [2021-11-13 01:39:54,805 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-13 01:39:54,805 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:39:54,806 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:39:54,806 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:39:54,806 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:39:54,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:54,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-13 01:39:54,811 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:54,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-13 01:39:54,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-13 01:39:54,816 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_22|], 55=[|v_#valid_39|]} [2021-11-13 01:39:54,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-13 01:39:54,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:54,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:54,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:54,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:54,841 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,897 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-13 01:39:54,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-13 01:39:54,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:39:54,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:39:54,912 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:54,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:54,916 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,919 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-13 01:39:54,919 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:54,919 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-13 01:39:54,921 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-13 01:39:54,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:54,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:54,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:54,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:54,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:54,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:54,926 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:54,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:54,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:54,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:39:54,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 01:39:54,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:54,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:39:54,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:54,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:54,954 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:54,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:54,958 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:54,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 183 [2021-11-13 01:39:54,962 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:54,962 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:181, output treesize:183 [2021-11-13 01:39:54,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:54,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:54,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,004 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,007 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 01:39:55,023 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:55,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 377 [2021-11-13 01:39:55,029 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-13 01:39:55,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 359 [2021-11-13 01:39:55,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:55,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:55,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,057 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,058 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:55,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:55,060 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-13 01:39:55,064 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-13 01:39:55,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-13 01:39:55,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:39:55,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:55,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,070 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:55,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:39:55,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:39:55,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-13 01:39:55,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 366 [2021-11-13 01:39:55,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 452 [2021-11-13 01:39:55,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:55,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:55,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:55,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-13 01:39:55,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:39:55,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-13 01:39:55,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:55,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:55,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:39:55,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:39:55,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:55,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:39:55,144 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:55,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,198 INFO L180 QuantifierPusher]: treesize reduction 142, result has 74.2 percent of original size [2021-11-13 01:39:55,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 419 [2021-11-13 01:39:55,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:55,206 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:557, output treesize:419 [2021-11-13 01:39:55,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,311 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,316 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,323 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-13 01:39:55,325 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:39:55,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:39:55,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:39:55,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:39:55,336 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 [2021-11-13 01:39:55,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:55,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:55,341 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:55,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,344 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:39:55,347 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:39:55,347 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-13 01:39:55,354 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-13 01:39:55,356 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,357 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:39:55,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:39:55,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-13 01:39:55,378 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:39:55,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-13 01:39:55,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:39:55,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:39:55,381 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:55,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,386 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,400 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:39:55,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-13 01:39:55,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:39:55,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:39:55,403 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:55,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-13 01:39:55,411 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:55,411 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-13 01:39:55,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,443 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:55,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:55,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:39:55,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:55,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:55,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-13 01:39:55,460 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:55,463 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:55,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-13 01:39:55,508 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:55,509 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:55,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,510 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:55,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:55,511 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:55,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:39:55,533 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:39:55,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:55,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:55,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:55,537 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:55,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,557 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,582 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:55,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:55,583 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:55,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,584 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:55,585 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:55,593 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:39:55,603 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:39:55,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:55,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:55,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:55,606 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:55,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,626 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,636 INFO L180 QuantifierPusher]: treesize reduction 218, result has 61.0 percent of original size [2021-11-13 01:39:55,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-13 01:39:55,640 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-13 01:39:55,640 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:575, output treesize:341 [2021-11-13 01:39:55,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,672 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-13 01:39:55,676 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:55,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:39:55,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:39:55,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,682 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:55,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:55,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-13 01:39:55,689 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:39:55,691 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:39:55,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-13 01:39:55,715 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:55,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:39:55,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,717 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:55,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,718 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:55,718 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:55,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,723 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,743 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:39:55,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:39:55,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:55,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:39:55,746 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:39:55,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:39:55,751 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-13 01:39:55,755 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:39:55,755 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-13 01:39:55,767 INFO L180 QuantifierPusher]: treesize reduction 46, result has 65.2 percent of original size [2021-11-13 01:39:55,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,771 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,771 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,772 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:39:55,773 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:39:55,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:39:55,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:39:55,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:39:55,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:39:55,779 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:39:55,780 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 30 for LOIs [2021-11-13 01:39:55,784 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:39:56,721 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:39:56,721 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:39:56,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 117, 117] total 233 [2021-11-13 01:39:56,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108809019] [2021-11-13 01:39:56,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:39:56,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 234 states [2021-11-13 01:39:56,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:39:56,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 234 interpolants. [2021-11-13 01:39:56,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27281, Invalid=30559, Unknown=0, NotChecked=0, Total=57840 [2021-11-13 01:39:56,735 INFO L87 Difference]: Start difference. First operand 160 states and 164 transitions. Second operand has 234 states, 234 states have (on average 1.0256410256410255) internal successors, (240), 233 states have internal predecessors, (240), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:57,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:39:57,562 INFO L93 Difference]: Finished difference Result 320 states and 444 transitions. [2021-11-13 01:39:57,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2021-11-13 01:39:57,563 INFO L78 Accepts]: Start accepts. Automaton has has 234 states, 234 states have (on average 1.0256410256410255) internal successors, (240), 233 states have internal predecessors, (240), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 153 [2021-11-13 01:39:57,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:39:57,566 INFO L225 Difference]: With dead ends: 320 [2021-11-13 01:39:57,566 INFO L226 Difference]: Without dead ends: 277 [2021-11-13 01:39:57,570 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 574 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 239 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2426 ImplicationChecksByTransitivity, 18.0s TimeCoverageRelationStatistics Valid=27281, Invalid=30559, Unknown=0, NotChecked=0, Total=57840 [2021-11-13 01:39:57,571 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 180.58ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.09ms SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 293.95ms IncrementalHoareTripleChecker+Time [2021-11-13 01:39:57,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 412 Unknown, 0 Unchecked, 4.09ms Time], IncrementalHoareTripleChecker [124 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 293.95ms Time] [2021-11-13 01:39:57,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2021-11-13 01:39:57,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2021-11-13 01:39:57,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 273 states have (on average 1.0146520146520146) internal successors, (277), 273 states have internal predecessors, (277), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:39:57,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 281 transitions. [2021-11-13 01:39:57,589 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 281 transitions. Word has length 153 [2021-11-13 01:39:57,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:39:57,590 INFO L470 AbstractCegarLoop]: Abstraction has 277 states and 281 transitions. [2021-11-13 01:39:57,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 234 states, 234 states have (on average 1.0256410256410255) internal successors, (240), 233 states have internal predecessors, (240), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:39:57,591 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 281 transitions. [2021-11-13 01:39:57,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-13 01:39:57,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:39:57,595 INFO L514 BasicCegarLoop]: trace histogram [232, 30, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:39:57,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-13 01:39:57,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable276 [2021-11-13 01:39:57,810 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:39:57,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:39:57,810 INFO L85 PathProgramCache]: Analyzing trace with hash -331857653, now seen corresponding path program 10 times [2021-11-13 01:39:57,810 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:39:57,810 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010894303] [2021-11-13 01:39:57,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:39:57,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:39:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 27493 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-13 01:40:15,875 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:40:15,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010894303] [2021-11-13 01:40:15,875 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010894303] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:40:15,875 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138771394] [2021-11-13 01:40:15,875 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-13 01:40:15,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:40:15,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:40:15,876 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:40:15,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-13 01:40:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:40:16,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 1579 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-13 01:40:16,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 01:40:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 27493 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-13 01:40:16,825 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 01:41:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 27493 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-13 01:41:09,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138771394] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 01:41:09,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [661864325] [2021-11-13 01:41:09,313 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-13 01:41:09,314 INFO L166 IcfgInterpreter]: Building call graph [2021-11-13 01:41:09,314 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-13 01:41:09,314 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-13 01:41:09,314 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-13 01:41:09,328 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-11-13 01:41:09,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-13 01:41:09,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-13 01:41:09,335 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|], 55=[|v_#valid_40|]} [2021-11-13 01:41:09,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,358 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2021-11-13 01:41:09,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:41:09,360 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:41:09,361 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:09,361 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,366 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,423 INFO L354 Elim1Store]: treesize reduction 68, result has 13.9 percent of original size [2021-11-13 01:41:09,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 59 treesize of output 58 [2021-11-13 01:41:09,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:41:09,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-13 01:41:09,429 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:09,430 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,435 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-13 01:41:09,440 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:41:09,440 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:197, output treesize:155 [2021-11-13 01:41:09,444 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-13 01:41:09,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:41:09,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-13 01:41:09,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:41:09,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:41:09,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-13 01:41:09,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 176 [2021-11-13 01:41:09,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,466 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-13 01:41:09,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:41:09,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:41:09,468 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:09,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,477 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 171 [2021-11-13 01:41:09,479 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:41:09,479 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:174, output treesize:171 [2021-11-13 01:41:09,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,523 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,531 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:41:09,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:41:09,534 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:41:09,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:41:09,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 367 [2021-11-13 01:41:09,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-13 01:41:09,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-13 01:41:09,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,564 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,565 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,566 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:41:09,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:41:09,568 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,568 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-13 01:41:09,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:41:09,569 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,570 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-13 01:41:09,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:41:09,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-13 01:41:09,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-13 01:41:09,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-13 01:41:09,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-13 01:41:09,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 383 [2021-11-13 01:41:09,579 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 356 [2021-11-13 01:41:09,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 442 [2021-11-13 01:41:09,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-13 01:41:09,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:41:09,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-13 01:41:09,626 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:09,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-13 01:41:09,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-13 01:41:09,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,646 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:41:09,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-13 01:41:09,647 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:09,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,684 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,700 INFO L180 QuantifierPusher]: treesize reduction 142, result has 73.7 percent of original size [2021-11-13 01:41:09,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 409 [2021-11-13 01:41:09,714 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:41:09,715 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:547, output treesize:409 [2021-11-13 01:41:09,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,829 INFO L180 QuantifierPusher]: treesize reduction 60, result has 58.3 percent of original size [2021-11-13 01:41:09,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,832 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-13 01:41:09,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-13 01:41:09,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-13 01:41:09,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:41:09,845 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 [2021-11-13 01:41:09,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:41:09,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,846 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:41:09,846 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:09,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,848 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-13 01:41:09,850 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-13 01:41:09,850 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:81 [2021-11-13 01:41:09,855 INFO L180 QuantifierPusher]: treesize reduction 67, result has 69.4 percent of original size [2021-11-13 01:41:09,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-13 01:41:09,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-13 01:41:09,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-11-13 01:41:09,883 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:41:09,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 18 [2021-11-13 01:41:09,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:41:09,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-13 01:41:09,886 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:09,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,904 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-13 01:41:09,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2021-11-13 01:41:09,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,906 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:41:09,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-13 01:41:09,907 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:09,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,911 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-13 01:41:09,915 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:41:09,915 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:150, output treesize:142 [2021-11-13 01:41:09,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:09,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:41:09,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:41:09,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:41:09,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:41:09,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,959 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:41:09,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-13 01:41:09,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:41:09,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:09,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:41:09,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 290 [2021-11-13 01:41:09,980 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:41:09,989 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:41:09,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:41:09,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:41:09,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:09,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:41:09,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:10,012 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:41:10,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:41:10,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:41:10,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:41:10,015 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:10,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,049 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:41:10,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:41:10,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:41:10,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,051 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:41:10,051 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:10,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-13 01:41:10,066 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-13 01:41:10,066 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:41:10,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:41:10,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:41:10,068 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:10,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,081 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,086 INFO L180 QuantifierPusher]: treesize reduction 218, result has 61.0 percent of original size [2021-11-13 01:41:10,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 341 [2021-11-13 01:41:10,089 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 4 xjuncts. [2021-11-13 01:41:10,089 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:575, output treesize:341 [2021-11-13 01:41:10,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,129 INFO L180 QuantifierPusher]: treesize reduction 42, result has 78.7 percent of original size [2021-11-13 01:41:10,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:10,131 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:10,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-13 01:41:10,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:10,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:41:10,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-13 01:41:10,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:10,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:10,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:41:10,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:10,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:41:10,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-13 01:41:10,147 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:10,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-11-13 01:41:10,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:10,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-13 01:41:10,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 143 [2021-11-13 01:41:10,171 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:41:10,171 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 28 [2021-11-13 01:41:10,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:41:10,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:41:10,173 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:10,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,176 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,191 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-13 01:41:10,192 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 29 [2021-11-13 01:41:10,192 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,193 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:41:10,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-13 01:41:10,197 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-13 01:41:10,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-13 01:41:10,200 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 178 [2021-11-13 01:41:10,202 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-13 01:41:10,203 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:186, output treesize:178 [2021-11-13 01:41:10,217 INFO L180 QuantifierPusher]: treesize reduction 46, result has 65.2 percent of original size [2021-11-13 01:41:10,222 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:10,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,222 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:10,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-13 01:41:10,223 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:10,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-13 01:41:10,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-13 01:41:10,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-13 01:41:10,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-13 01:41:10,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-13 01:41:10,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-13 01:41:10,227 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 30 for LOIs [2021-11-13 01:41:10,235 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-13 01:41:11,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 01:41:11,851 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 01:41:11,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [234, 234, 234] total 467 [2021-11-13 01:41:11,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291500074] [2021-11-13 01:41:11,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 01:41:11,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 468 states [2021-11-13 01:41:11,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-13 01:41:11,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 468 interpolants. [2021-11-13 01:41:11,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109298, Invalid=115852, Unknown=0, NotChecked=0, Total=225150 [2021-11-13 01:41:11,877 INFO L87 Difference]: Start difference. First operand 277 states and 281 transitions. Second operand has 468 states, 468 states have (on average 1.0128205128205128) internal successors, (474), 467 states have internal predecessors, (474), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:41:15,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 01:41:15,529 INFO L93 Difference]: Finished difference Result 554 states and 795 transitions. [2021-11-13 01:41:15,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 468 states. [2021-11-13 01:41:15,530 INFO L78 Accepts]: Start accepts. Automaton has has 468 states, 468 states have (on average 1.0128205128205128) internal successors, (474), 467 states have internal predecessors, (474), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 270 [2021-11-13 01:41:15,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 01:41:15,533 INFO L225 Difference]: With dead ends: 554 [2021-11-13 01:41:15,533 INFO L226 Difference]: Without dead ends: 511 [2021-11-13 01:41:15,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1042 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 473 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4883 ImplicationChecksByTransitivity, 70.4s TimeCoverageRelationStatistics Valid=109298, Invalid=115852, Unknown=0, NotChecked=0, Total=225150 [2021-11-13 01:41:15,545 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 400.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.62ms SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 543.03ms IncrementalHoareTripleChecker+Time [2021-11-13 01:41:15,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 779 Unknown, 0 Unchecked, 9.62ms Time], IncrementalHoareTripleChecker [239 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 543.03ms Time] [2021-11-13 01:41:15,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2021-11-13 01:41:15,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 511. [2021-11-13 01:41:15,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 507 states have (on average 1.0078895463510849) internal successors, (511), 507 states have internal predecessors, (511), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-13 01:41:15,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 515 transitions. [2021-11-13 01:41:15,569 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 515 transitions. Word has length 270 [2021-11-13 01:41:15,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 01:41:15,570 INFO L470 AbstractCegarLoop]: Abstraction has 511 states and 515 transitions. [2021-11-13 01:41:15,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 468 states, 468 states have (on average 1.0128205128205128) internal successors, (474), 467 states have internal predecessors, (474), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 01:41:15,571 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 515 transitions. [2021-11-13 01:41:15,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2021-11-13 01:41:15,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 01:41:15,583 INFO L514 BasicCegarLoop]: trace histogram [466, 30, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 01:41:15,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-11-13 01:41:15,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:41:15,811 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 01:41:15,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 01:41:15,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1289946123, now seen corresponding path program 11 times [2021-11-13 01:41:15,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-13 01:41:15,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561500612] [2021-11-13 01:41:15,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 01:41:15,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 01:41:17,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 01:42:27,381 INFO L134 CoverageAnalysis]: Checked inductivity of 109276 backedges. 0 proven. 108811 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-13 01:42:27,382 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-13 01:42:27,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561500612] [2021-11-13 01:42:27,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561500612] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 01:42:27,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32364420] [2021-11-13 01:42:27,383 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 01:42:27,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 01:42:27,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 [2021-11-13 01:42:27,390 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 01:42:27,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc5643fe-3d17-4946-954f-0160a95b5cb8/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process