./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/standard_copy1_ground-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_copy1_ground-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1970a9a8aaeda89e1214c4bedc05560d9ae947bac2f3f8ce77018b7acf727f81 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:35:01,455 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:35:01,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:35:01,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:35:01,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:35:01,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:35:01,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:35:01,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:35:01,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:35:01,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:35:01,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:35:01,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:35:01,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:35:01,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:35:01,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:35:01,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:35:01,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:35:01,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:35:01,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:35:01,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:35:01,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:35:01,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:35:01,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:35:01,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:35:01,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:35:01,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:35:01,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:35:01,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:35:01,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:35:01,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:35:01,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:35:01,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:35:01,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:35:01,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:35:01,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:35:01,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:35:01,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:35:01,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:35:01,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:35:01,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:35:01,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:35:01,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:35:01,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:35:01,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:35:01,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:35:01,697 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:35:01,697 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:35:01,698 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:35:01,698 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:35:01,698 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:35:01,698 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:35:01,699 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:35:01,700 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:35:01,700 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:35:01,701 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:35:01,701 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:35:01,701 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:35:01,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:35:01,703 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:35:01,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:35:01,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:35:01,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:35:01,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:35:01,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:35:01,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:35:01,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:35:01,705 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:35:01,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:35:01,706 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:35:01,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:35:01,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:35:01,708 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:35:01,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:35:01,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:35:01,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:35:01,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:35:01,710 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:35:01,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:35:01,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:35:01,711 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:35:01,711 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:35:01,712 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_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1970a9a8aaeda89e1214c4bedc05560d9ae947bac2f3f8ce77018b7acf727f81 [2021-11-07 01:35:02,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:35:02,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:35:02,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:35:02,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:35:02,158 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:35:02,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-examples/standard_copy1_ground-2.i [2021-11-07 01:35:02,250 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/data/21aa19a35/c21d2d55993a4989a815479bdb4dafc5/FLAGf88f7c8d8 [2021-11-07 01:35:02,787 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:35:02,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/sv-benchmarks/c/array-examples/standard_copy1_ground-2.i [2021-11-07 01:35:02,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/data/21aa19a35/c21d2d55993a4989a815479bdb4dafc5/FLAGf88f7c8d8 [2021-11-07 01:35:03,126 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/data/21aa19a35/c21d2d55993a4989a815479bdb4dafc5 [2021-11-07 01:35:03,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:35:03,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:35:03,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:03,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:35:03,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:35:03,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:03" (1/1) ... [2021-11-07 01:35:03,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3454b4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03, skipping insertion in model container [2021-11-07 01:35:03,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:35:03" (1/1) ... [2021-11-07 01:35:03,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:35:03,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:35:03,390 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_659bbfaf-5e48-48a9-9e5e-31fa4a757949/sv-benchmarks/c/array-examples/standard_copy1_ground-2.i[816,829] [2021-11-07 01:35:03,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:03,418 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:35:03,434 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_659bbfaf-5e48-48a9-9e5e-31fa4a757949/sv-benchmarks/c/array-examples/standard_copy1_ground-2.i[816,829] [2021-11-07 01:35:03,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:35:03,459 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:35:03,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03 WrapperNode [2021-11-07 01:35:03,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:35:03,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:35:03,462 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:35:03,462 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:35:03,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03" (1/1) ... [2021-11-07 01:35:03,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03" (1/1) ... [2021-11-07 01:35:03,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:35:03,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:35:03,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:35:03,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:35:03,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03" (1/1) ... [2021-11-07 01:35:03,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03" (1/1) ... [2021-11-07 01:35:03,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03" (1/1) ... [2021-11-07 01:35:03,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03" (1/1) ... [2021-11-07 01:35:03,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03" (1/1) ... [2021-11-07 01:35:03,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03" (1/1) ... [2021-11-07 01:35:03,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03" (1/1) ... [2021-11-07 01:35:03,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:35:03,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:35:03,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:35:03,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:35:03,540 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03" (1/1) ... [2021-11-07 01:35:03,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:35:03,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:03,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:35:03,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:35:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:35:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:35:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:35:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:35:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:35:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:35:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:35:03,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:35:03,987 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-07 01:35:03,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:03 BoogieIcfgContainer [2021-11-07 01:35:03,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:35:03,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:35:03,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:35:03,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:35:03,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:35:03" (1/3) ... [2021-11-07 01:35:03,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f966d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:35:03, skipping insertion in model container [2021-11-07 01:35:03,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:35:03" (2/3) ... [2021-11-07 01:35:03,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f966d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:35:03, skipping insertion in model container [2021-11-07 01:35:04,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:35:03" (3/3) ... [2021-11-07 01:35:04,001 INFO L111 eAbstractionObserver]: Analyzing ICFG standard_copy1_ground-2.i [2021-11-07 01:35:04,007 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:35:04,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:35:04,077 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:35:04,084 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:35:04,085 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:35:04,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:04,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:35:04,105 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:04,105 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 01:35:04,106 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:04,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:04,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1566699475, now seen corresponding path program 1 times [2021-11-07 01:35:04,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:04,124 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377540433] [2021-11-07 01:35:04,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:04,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:04,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:04,292 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:04,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377540433] [2021-11-07 01:35:04,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377540433] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:35:04,294 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:35:04,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:35:04,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577691953] [2021-11-07 01:35:04,302 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:35:04,302 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:04,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:35:04,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:35:04,320 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:04,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:04,344 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2021-11-07 01:35:04,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:35:04,346 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-07 01:35:04,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:04,355 INFO L225 Difference]: With dead ends: 17 [2021-11-07 01:35:04,355 INFO L226 Difference]: Without dead ends: 9 [2021-11-07 01:35:04,358 INFO L786 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 [2021-11-07 01:35:04,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-11-07 01:35:04,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-07 01:35:04,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:04,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-07 01:35:04,392 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 6 [2021-11-07 01:35:04,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:04,393 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-07 01:35:04,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:04,393 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-07 01:35:04,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-07 01:35:04,394 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:04,394 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:04,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:35:04,395 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:04,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:04,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1635256051, now seen corresponding path program 1 times [2021-11-07 01:35:04,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:04,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115198659] [2021-11-07 01:35:04,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:04,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:35:04,475 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:04,476 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115198659] [2021-11-07 01:35:04,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115198659] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:04,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052653371] [2021-11-07 01:35:04,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:04,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:04,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:04,479 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:04,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:35:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:04,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:35:04,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:35:04,583 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:35:04,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052653371] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:35:04,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 01:35:04,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2021-11-07 01:35:04,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998873783] [2021-11-07 01:35:04,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:35:04,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:04,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:35:04,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:35:04,631 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:04,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:04,662 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2021-11-07 01:35:04,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:35:04,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-07 01:35:04,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:04,664 INFO L225 Difference]: With dead ends: 16 [2021-11-07 01:35:04,664 INFO L226 Difference]: Without dead ends: 11 [2021-11-07 01:35:04,665 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-07 01:35:04,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-11-07 01:35:04,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-07 01:35:04,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:04,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-11-07 01:35:04,669 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 7 [2021-11-07 01:35:04,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:04,670 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-11-07 01:35:04,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:04,671 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-07 01:35:04,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-07 01:35:04,671 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:04,672 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:04,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 01:35:04,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:04,888 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:04,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:04,889 INFO L85 PathProgramCache]: Analyzing trace with hash 268097133, now seen corresponding path program 1 times [2021-11-07 01:35:04,889 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:04,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93848366] [2021-11-07 01:35:04,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:04,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:04,970 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:35:04,971 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:04,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93848366] [2021-11-07 01:35:04,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93848366] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:04,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575762713] [2021-11-07 01:35:04,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:04,972 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:04,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:04,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:05,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:35:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:05,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:35:05,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:35:05,104 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:05,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:35:05,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [575762713] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:05,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [833473216] [2021-11-07 01:35:05,182 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:35:05,183 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:05,194 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:05,200 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:05,201 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:05,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,271 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:05,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,275 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:05,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 01:35:05,307 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 36=[|v_#valid_29|]} [2021-11-07 01:35:05,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 01:35:05,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:05,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:05,354 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:05,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:05,392 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,463 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:35:05,464 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 01:35:05,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:05,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:05,473 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:05,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:05,514 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:35:05,528 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:05,532 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 01:35:05,553 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 01:35:05,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,576 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:05,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:05,580 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,583 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:05,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:05,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,599 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,603 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:05,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:05,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:05,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 01:35:05,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:05,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:05,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:05,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:05,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:05,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:05,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:35:05,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:05,745 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 01:35:05,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:05,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:05,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:05,850 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,871 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,899 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:35:05,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:05,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 01:35:05,934 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 01:35:05,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:35:05,969 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:05,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:05,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,984 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:05,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:05,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:05,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:06,005 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,046 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:06,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:06,049 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,050 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:06,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:06,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:06,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:06,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:06,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:06,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:06,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:06,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:06,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:35:06,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:35:06,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:35:06,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 01:35:06,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:35:06,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:35:06,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:06,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:06,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:06,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:06,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:06,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:35:06,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:35:06,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:35:06,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:06,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:06,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:06,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:06,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:06,296 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,297 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:06,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:06,302 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:06,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,357 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,374 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 01:35:06,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 01:35:06,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:06,390 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 01:35:06,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,484 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 01:35:06,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,500 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:06,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:06,502 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:06,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:06,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:06,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:06,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,527 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:06,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:06,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:06,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:06,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:06,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:35:06,555 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:06,570 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:35:06,570 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:35:06,571 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:06,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,573 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:06,574 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:06,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,591 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:06,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:35:06,601 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:06,601 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 01:35:06,609 INFO L180 QuantifierPusher]: treesize reduction 43, result has 61.6 percent of original size [2021-11-07 01:35:06,613 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:06,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:35:06,623 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:06,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,625 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:06,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:06,626 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:06,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,628 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:06,631 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:06,631 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:42 [2021-11-07 01:35:06,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,682 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.4 percent of original size [2021-11-07 01:35:06,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:06,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:35:06,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:06,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:06,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:06,705 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:06,713 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:06,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:06,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:06,716 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:06,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,733 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,739 INFO L180 QuantifierPusher]: treesize reduction 88, result has 47.9 percent of original size [2021-11-07 01:35:06,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 01:35:06,742 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:06,742 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:81 [2021-11-07 01:35:06,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,780 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 01:35:06,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:06,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:06,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:06,794 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 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:06,795 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:06,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,797 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:06,797 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:06,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:06,800 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:06,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:06,802 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:06,802 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:43 [2021-11-07 01:35:06,811 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:07,356 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:07,357 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:07,357 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2021-11-07 01:35:07,357 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749753942] [2021-11-07 01:35:07,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-07 01:35:07,358 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:07,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 01:35:07,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:35:07,359 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:07,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:07,380 INFO L93 Difference]: Finished difference Result 22 states and 28 transitions. [2021-11-07 01:35:07,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:35:07,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-07 01:35:07,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:07,381 INFO L225 Difference]: With dead ends: 22 [2021-11-07 01:35:07,381 INFO L226 Difference]: Without dead ends: 14 [2021-11-07 01:35:07,382 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2021-11-07 01:35:07,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-07 01:35:07,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-07 01:35:07,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:07,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-11-07 01:35:07,385 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 9 [2021-11-07 01:35:07,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:07,386 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-11-07 01:35:07,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:07,386 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-07 01:35:07,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-07 01:35:07,387 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:07,387 INFO L513 BasicCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:07,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:07,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:07,602 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:07,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:07,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1432560243, now seen corresponding path program 2 times [2021-11-07 01:35:07,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:07,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064929518] [2021-11-07 01:35:07,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:07,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-07 01:35:07,688 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:07,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064929518] [2021-11-07 01:35:07,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064929518] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:07,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328839002] [2021-11-07 01:35:07,688 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:35:07,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:07,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:07,689 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:07,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:35:07,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:35:07,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:35:07,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:35:07,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:07,852 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:35:07,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-07 01:35:07,925 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328839002] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:07,925 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [290472377] [2021-11-07 01:35:07,929 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:35:07,929 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:07,930 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:07,930 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:07,930 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:07,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:07,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:07,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:07,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:07,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:07,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:07,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:07,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 01:35:07,952 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 36=[|v_#valid_30|]} [2021-11-07 01:35:07,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,974 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 01:35:07,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:07,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:07,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:07,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:07,977 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:07,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:07,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:07,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:07,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,028 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:35:08,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 01:35:08,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:08,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:08,036 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,041 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:35:08,046 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,046 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 01:35:08,051 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 01:35:08,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,069 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:08,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:08,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:08,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:08,076 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:08,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:08,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:08,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 01:35:08,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:08,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:08,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:08,118 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:35:08,140 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,162 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 01:35:08,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:08,287 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:35:08,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 01:35:08,297 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 01:35:08,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:35:08,311 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,313 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,315 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:08,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:08,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:08,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:08,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,340 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:08,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:08,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:08,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:08,356 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:35:08,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:35:08,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:35:08,374 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,380 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:08,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:08,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,393 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:08,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:08,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,398 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:08,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:08,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:08,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 01:35:08,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:35:08,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:35:08,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:08,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:08,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:08,483 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:08,524 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:35:08,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:35:08,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:35:08,531 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,609 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 01:35:08,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 01:35:08,618 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:08,619 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 01:35:08,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,709 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 01:35:08,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:08,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:08,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:08,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:08,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:08,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:08,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:08,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:08,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:08,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:08,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,744 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:08,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:35:08,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:08,772 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:35:08,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:35:08,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:08,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:08,777 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,785 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:08,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:35:08,792 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,793 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 01:35:08,799 INFO L180 QuantifierPusher]: treesize reduction 43, result has 61.6 percent of original size [2021-11-07 01:35:08,801 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,802 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:08,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-07 01:35:08,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 01:35:08,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:08,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:08,813 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,816 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:08,818 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,819 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:40 [2021-11-07 01:35:08,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,868 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.4 percent of original size [2021-11-07 01:35:08,872 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:08,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:35:08,888 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:08,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:08,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:08,892 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:08,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:08,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:08,904 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,923 INFO L180 QuantifierPusher]: treesize reduction 88, result has 47.9 percent of original size [2021-11-07 01:35:08,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 01:35:08,926 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:08,926 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:81 [2021-11-07 01:35:08,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,961 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 01:35:08,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:08,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:08,966 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:08,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:08,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:08,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:08,976 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:08,979 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:08,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:08,995 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:08,995 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:43 [2021-11-07 01:35:09,006 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:09,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:09,667 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:09,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2021-11-07 01:35:09,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739764057] [2021-11-07 01:35:09,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-07 01:35:09,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:09,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-07 01:35:09,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:35:09,669 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:09,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:09,718 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2021-11-07 01:35:09,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-07 01:35:09,719 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-11-07 01:35:09,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:09,719 INFO L225 Difference]: With dead ends: 27 [2021-11-07 01:35:09,719 INFO L226 Difference]: Without dead ends: 19 [2021-11-07 01:35:09,720 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2021-11-07 01:35:09,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-11-07 01:35:09,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-11-07 01:35:09,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:09,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-11-07 01:35:09,725 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 12 [2021-11-07 01:35:09,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:09,725 INFO L470 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-11-07 01:35:09,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-11-07 01:35:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-07 01:35:09,726 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:09,727 INFO L513 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:09,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:09,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:09,927 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:09,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:09,928 INFO L85 PathProgramCache]: Analyzing trace with hash -587280083, now seen corresponding path program 3 times [2021-11-07 01:35:09,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:09,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881466369] [2021-11-07 01:35:09,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:09,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:09,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 01:35:10,029 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:10,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881466369] [2021-11-07 01:35:10,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881466369] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:10,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116679893] [2021-11-07 01:35:10,030 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:35:10,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:10,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:10,032 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:10,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 01:35:10,118 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:35:10,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:35:10,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-07 01:35:10,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 01:35:10,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 01:35:10,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116679893] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:10,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [927996574] [2021-11-07 01:35:10,326 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:35:10,326 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:10,327 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:10,327 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:10,327 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:10,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:10,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:10,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 01:35:10,353 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 36=[|v_#valid_31|]} [2021-11-07 01:35:10,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 01:35:10,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,378 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:10,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:10,380 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:10,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:10,385 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,428 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:35:10,429 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 01:35:10,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:10,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:10,463 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:10,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:10,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:35:10,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:10,475 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 01:35:10,484 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 01:35:10,491 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,492 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:10,497 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:10,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,503 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:10,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:10,507 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,508 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,509 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:10,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:10,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:10,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 01:35:10,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:10,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:10,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:10,553 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:10,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:10,563 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,566 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:35:10,571 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:10,572 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 01:35:10,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:10,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:10,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:10,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:35:10,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:10,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 01:35:10,680 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,688 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 01:35:10,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:35:10,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,695 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,696 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:10,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:10,698 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:10,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:10,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:10,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:10,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:10,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:10,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:10,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:10,730 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:10,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:10,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:10,740 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:10,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:10,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,746 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:35:10,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:35:10,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:35:10,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 01:35:10,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:10,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:35:10,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:35:10,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:10,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:10,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:10,818 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:10,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:10,856 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:35:10,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:35:10,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:35:10,865 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:10,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:10,936 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:10,952 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 01:35:10,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 01:35:10,962 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:10,963 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 01:35:10,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,053 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 01:35:11,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:11,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:11,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:11,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:11,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:11,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:11,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,071 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:11,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:11,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:11,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:11,077 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,077 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:11,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:35:11,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:11,102 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:35:11,103 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:35:11,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:11,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:11,106 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:11,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,119 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:11,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:35:11,122 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:11,123 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 01:35:11,130 INFO L180 QuantifierPusher]: treesize reduction 43, result has 61.6 percent of original size [2021-11-07 01:35:11,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:11,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-07 01:35:11,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 01:35:11,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:11,146 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:11,147 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:11,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,149 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:11,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:11,152 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:40 [2021-11-07 01:35:11,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,191 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.4 percent of original size [2021-11-07 01:35:11,194 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:11,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:35:11,211 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:11,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:11,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:11,215 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:11,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:11,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,224 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:11,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:11,225 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:11,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,243 INFO L180 QuantifierPusher]: treesize reduction 88, result has 47.9 percent of original size [2021-11-07 01:35:11,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 01:35:11,246 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:11,246 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:81 [2021-11-07 01:35:11,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,286 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 01:35:11,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:11,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:11,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:11,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:11,298 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,299 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:11,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:11,300 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:11,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:11,303 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:11,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:11,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:11,306 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:43 [2021-11-07 01:35:11,315 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:11,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:11,910 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:11,910 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2021-11-07 01:35:11,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130383713] [2021-11-07 01:35:11,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-11-07 01:35:11,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:11,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 01:35:11,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:35:11,912 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:11,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:11,951 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2021-11-07 01:35:11,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-07 01:35:11,953 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-07 01:35:11,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:11,954 INFO L225 Difference]: With dead ends: 38 [2021-11-07 01:35:11,954 INFO L226 Difference]: Without dead ends: 26 [2021-11-07 01:35:11,955 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=125, Invalid=255, Unknown=0, NotChecked=0, Total=380 [2021-11-07 01:35:11,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-07 01:35:11,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-07 01:35:11,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:11,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2021-11-07 01:35:11,961 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 17 [2021-11-07 01:35:11,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:11,961 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2021-11-07 01:35:11,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:11,962 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2021-11-07 01:35:11,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:35:11,963 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:11,963 INFO L513 BasicCegarLoop]: trace histogram [12, 6, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:12,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:12,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2021-11-07 01:35:12,182 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:12,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:12,182 INFO L85 PathProgramCache]: Analyzing trace with hash 584642637, now seen corresponding path program 4 times [2021-11-07 01:35:12,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:12,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475729658] [2021-11-07 01:35:12,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:12,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 01:35:12,404 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:12,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475729658] [2021-11-07 01:35:12,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475729658] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:12,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408763410] [2021-11-07 01:35:12,405 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:35:12,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:12,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:12,407 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:12,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 01:35:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:12,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 01:35:12,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:12,621 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 01:35:12,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:13,001 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 01:35:13,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408763410] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:13,001 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1357884186] [2021-11-07 01:35:13,004 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:35:13,004 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:13,004 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:13,004 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:13,005 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:13,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,013 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:13,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:13,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 01:35:13,023 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_16|], 36=[|v_#valid_32|]} [2021-11-07 01:35:13,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 01:35:13,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:13,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:13,045 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,093 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:35:13,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 01:35:13,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:13,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:13,101 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,106 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:35:13,111 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,112 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 01:35:13,116 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 01:35:13,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,129 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:13,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:13,132 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,133 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,134 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:13,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:13,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,138 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:13,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:13,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:13,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 01:35:13,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,160 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:13,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:13,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:13,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,171 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,174 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:35:13,178 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,179 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 01:35:13,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:13,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:13,265 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,275 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,280 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:13,283 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:35:13,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 01:35:13,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,294 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 01:35:13,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:35:13,302 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:13,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:13,311 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,322 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:13,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:13,324 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,326 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,327 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:13,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:13,329 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,330 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,331 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,332 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:35:13,333 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:35:13,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,334 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,335 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:35:13,337 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:13,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:13,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:13,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:13,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:13,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:13,351 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:13,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 01:35:13,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,362 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,366 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:35:13,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:35:13,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:35:13,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:35:13,431 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:35:13,433 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:13,458 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:13,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:13,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:13,463 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,518 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 01:35:13,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 01:35:13,533 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:13,533 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 01:35:13,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,598 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 01:35:13,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:13,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:13,614 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,616 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:13,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:13,621 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:13,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:13,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,624 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,628 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:13,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:13,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:13,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:13,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:13,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:35:13,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:13,678 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:35:13,679 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:35:13,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:13,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:13,683 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,692 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:13,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:35:13,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,699 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 01:35:13,707 INFO L180 QuantifierPusher]: treesize reduction 43, result has 61.6 percent of original size [2021-11-07 01:35:13,709 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:13,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:35:13,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:13,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:13,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:13,728 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,731 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:13,734 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,734 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:42 [2021-11-07 01:35:13,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,773 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.4 percent of original size [2021-11-07 01:35:13,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:13,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:35:13,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:13,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:13,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:13,795 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:13,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:13,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:13,807 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,825 INFO L180 QuantifierPusher]: treesize reduction 88, result has 47.9 percent of original size [2021-11-07 01:35:13,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 01:35:13,827 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:13,828 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:81 [2021-11-07 01:35:13,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,857 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 01:35:13,858 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:13,859 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:13,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:13,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:13,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,869 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:13,870 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:13,870 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:13,873 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:13,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:13,875 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:13,876 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:43 [2021-11-07 01:35:13,884 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:14,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:14,674 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:14,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 28 [2021-11-07 01:35:14,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960666033] [2021-11-07 01:35:14,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2021-11-07 01:35:14,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:14,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-11-07 01:35:14,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=696, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 01:35:14,677 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 29 states, 29 states have (on average 1.206896551724138) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:14,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:14,744 INFO L93 Difference]: Finished difference Result 52 states and 69 transitions. [2021-11-07 01:35:14,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-11-07 01:35:14,746 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.206896551724138) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:35:14,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:14,747 INFO L225 Difference]: With dead ends: 52 [2021-11-07 01:35:14,747 INFO L226 Difference]: Without dead ends: 40 [2021-11-07 01:35:14,748 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=426, Invalid=696, Unknown=0, NotChecked=0, Total=1122 [2021-11-07 01:35:14,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2021-11-07 01:35:14,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-11-07 01:35:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 39 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2021-11-07 01:35:14,755 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 24 [2021-11-07 01:35:14,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:14,755 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2021-11-07 01:35:14,756 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.206896551724138) internal successors, (35), 28 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:14,756 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2021-11-07 01:35:14,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-07 01:35:14,758 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:14,758 INFO L513 BasicCegarLoop]: trace histogram [26, 6, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:14,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:14,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:14,982 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:14,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:14,982 INFO L85 PathProgramCache]: Analyzing trace with hash -2114407347, now seen corresponding path program 5 times [2021-11-07 01:35:14,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:14,983 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665006701] [2021-11-07 01:35:14,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:14,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-07 01:35:15,604 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:15,604 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665006701] [2021-11-07 01:35:15,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665006701] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:15,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64861054] [2021-11-07 01:35:15,605 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:35:15,605 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:15,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:15,610 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:15,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 01:35:15,773 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-11-07 01:35:15,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:35:15,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:35:15,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:16,082 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-11-07 01:35:16,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:16,396 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2021-11-07 01:35:16,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64861054] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:16,396 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [695449176] [2021-11-07 01:35:16,399 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:35:16,399 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:16,399 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:16,400 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:16,400 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:16,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:16,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:16,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 01:35:16,413 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_17|], 36=[|v_#valid_33|]} [2021-11-07 01:35:16,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 01:35:16,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:16,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:16,435 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,482 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:35:16,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 01:35:16,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:16,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:16,489 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:35:16,499 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,499 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 01:35:16,503 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 01:35:16,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,509 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,510 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:16,511 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:35:16,512 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,514 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:16,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:35:16,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 01:35:16,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:35:16,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,521 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:16,523 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-07 01:35:16,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 01:35:16,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:16,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:16,544 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,551 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:35:16,558 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,559 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-07 01:35:16,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,626 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,627 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:16,629 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:16,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:16,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:16,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,642 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:16,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 01:35:16,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 01:35:16,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,660 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-07 01:35:16,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-07 01:35:16,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,684 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:16,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:16,686 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,688 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:16,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:16,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,691 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,692 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 01:35:16,694 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:35:16,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:35:16,698 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,700 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:16,702 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:16,702 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:16,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:16,706 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:16,709 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:16,710 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:16,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 01:35:16,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:16,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,724 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-07 01:35:16,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-07 01:35:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 01:35:16,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:35:16,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:35:16,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:16,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:16,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:16,844 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,845 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:16,845 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:16,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:16,924 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-07 01:35:16,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 01:35:16,934 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:16,934 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-07 01:35:16,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:16,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,012 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 01:35:17,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:17,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:17,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:17,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:17,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:17,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:17,030 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:17,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:17,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:17,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:17,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:17,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:35:17,056 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:17,071 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:35:17,071 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:35:17,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:17,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:17,074 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:17,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,083 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:17,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:35:17,088 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:17,089 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 01:35:17,094 INFO L180 QuantifierPusher]: treesize reduction 43, result has 61.6 percent of original size [2021-11-07 01:35:17,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:17,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:35:17,110 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 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:17,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:17,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:17,113 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:17,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:17,117 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:17,117 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:42 [2021-11-07 01:35:17,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,152 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.4 percent of original size [2021-11-07 01:35:17,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:17,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:35:17,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:17,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:17,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:17,170 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:17,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:17,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:17,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:17,179 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:17,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,191 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,194 INFO L180 QuantifierPusher]: treesize reduction 88, result has 47.9 percent of original size [2021-11-07 01:35:17,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 01:35:17,196 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:17,196 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:81 [2021-11-07 01:35:17,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,222 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 01:35:17,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:17,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:17,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:17,232 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 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:17,233 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:17,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:17,235 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:17,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:17,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:17,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:17,240 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:17,240 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:43 [2021-11-07 01:35:17,249 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:17,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:17,975 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:17,975 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 9, 9] total 43 [2021-11-07 01:35:17,975 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865999147] [2021-11-07 01:35:17,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2021-11-07 01:35:17,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:17,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-11-07 01:35:17,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=545, Invalid=1711, Unknown=0, NotChecked=0, Total=2256 [2021-11-07 01:35:17,979 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:18,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:18,065 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2021-11-07 01:35:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-11-07 01:35:18,066 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2021-11-07 01:35:18,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:18,068 INFO L225 Difference]: With dead ends: 61 [2021-11-07 01:35:18,068 INFO L226 Difference]: Without dead ends: 49 [2021-11-07 01:35:18,069 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=545, Invalid=1711, Unknown=0, NotChecked=0, Total=2256 [2021-11-07 01:35:18,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2021-11-07 01:35:18,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2021-11-07 01:35:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.0625) internal successors, (51), 48 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2021-11-07 01:35:18,077 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 38 [2021-11-07 01:35:18,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:18,078 INFO L470 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2021-11-07 01:35:18,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 1.186046511627907) internal successors, (51), 43 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2021-11-07 01:35:18,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-07 01:35:18,080 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:18,080 INFO L513 BasicCegarLoop]: trace histogram [27, 14, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:18,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:18,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable114 [2021-11-07 01:35:18,294 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:18,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:18,294 INFO L85 PathProgramCache]: Analyzing trace with hash 122249901, now seen corresponding path program 6 times [2021-11-07 01:35:18,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:18,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519418446] [2021-11-07 01:35:18,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:18,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 01:35:18,827 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:18,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519418446] [2021-11-07 01:35:18,827 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519418446] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:18,827 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237484418] [2021-11-07 01:35:18,828 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:35:18,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:18,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:18,829 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:18,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 01:35:19,004 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:35:19,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:35:19,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-07 01:35:19,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 01:35:19,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:20,401 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 01:35:20,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237484418] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:20,401 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [119401650] [2021-11-07 01:35:20,404 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:35:20,404 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:20,404 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:20,405 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:20,405 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:20,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,425 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:20,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:20,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 01:35:20,435 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_18|], 36=[|v_#valid_34|]} [2021-11-07 01:35:20,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 01:35:20,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:20,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:20,455 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,461 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,499 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:35:20,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 01:35:20,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:20,504 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:20,505 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:35:20,514 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,514 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 01:35:20,519 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 01:35:20,524 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,525 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:20,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:20,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,529 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,530 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:20,531 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:20,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:20,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:20,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:20,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 01:35:20,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:20,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:20,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:20,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,564 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:35:20,570 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,571 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 01:35:20,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,590 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:20,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:20,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,656 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:20,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:20,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,662 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,667 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,671 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,672 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:35:20,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,676 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:20,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 01:35:20,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 01:35:20,693 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:35:20,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,708 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,709 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:20,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:20,712 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,713 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:20,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:20,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:35:20,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:35:20,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:35:20,723 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,725 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:20,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:20,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,730 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:20,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:20,731 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:20,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:20,735 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:20,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 01:35:20,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:35:20,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:35:20,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:20,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:20,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:20,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:20,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:35:20,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:35:20,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:35:20,828 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:20,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,883 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 01:35:20,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 01:35:20,891 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:20,891 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 01:35:20,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:20,971 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 01:35:20,975 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:20,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:20,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,979 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,980 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,981 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:20,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:20,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:20,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:20,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,987 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:20,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:20,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:20,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:20,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:20,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:20,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:20,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:35:21,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:21,014 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:35:21,014 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:35:21,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:21,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:21,017 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:21,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:21,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:21,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:35:21,029 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:21,029 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 01:35:21,035 INFO L180 QuantifierPusher]: treesize reduction 43, result has 61.6 percent of original size [2021-11-07 01:35:21,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:21,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:21,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-07 01:35:21,050 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 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 01:35:21,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:21,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:21,053 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:21,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,055 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:21,057 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:21,058 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:40 [2021-11-07 01:35:21,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,089 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.4 percent of original size [2021-11-07 01:35:21,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:21,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:21,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:35:21,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:21,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:21,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:21,107 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:21,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:21,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:21,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:21,116 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:21,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,127 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,131 INFO L180 QuantifierPusher]: treesize reduction 88, result has 47.9 percent of original size [2021-11-07 01:35:21,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 01:35:21,133 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:21,133 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:81 [2021-11-07 01:35:21,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,158 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 01:35:21,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:21,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:21,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:21,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:21,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:21,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:21,170 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:21,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:21,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:21,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:21,175 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:21,175 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:43 [2021-11-07 01:35:21,183 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:21,837 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:21,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:21,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 58 [2021-11-07 01:35:21,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370801756] [2021-11-07 01:35:21,838 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2021-11-07 01:35:21,838 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:21,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2021-11-07 01:35:21,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1731, Invalid=2301, Unknown=0, NotChecked=0, Total=4032 [2021-11-07 01:35:21,842 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 59 states, 59 states have (on average 1.1016949152542372) internal successors, (65), 58 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:22,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:22,054 INFO L93 Difference]: Finished difference Result 98 states and 130 transitions. [2021-11-07 01:35:22,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-11-07 01:35:22,055 INFO L78 Accepts]: Start accepts. Automaton has has 59 states, 59 states have (on average 1.1016949152542372) internal successors, (65), 58 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2021-11-07 01:35:22,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:22,062 INFO L225 Difference]: With dead ends: 98 [2021-11-07 01:35:22,062 INFO L226 Difference]: Without dead ends: 78 [2021-11-07 01:35:22,065 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1731, Invalid=2301, Unknown=0, NotChecked=0, Total=4032 [2021-11-07 01:35:22,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2021-11-07 01:35:22,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2021-11-07 01:35:22,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 77 states have (on average 1.0389610389610389) internal successors, (80), 77 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:22,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2021-11-07 01:35:22,093 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 47 [2021-11-07 01:35:22,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:22,094 INFO L470 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2021-11-07 01:35:22,094 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 1.1016949152542372) internal successors, (65), 58 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:22,094 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2021-11-07 01:35:22,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-07 01:35:22,099 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:22,100 INFO L513 BasicCegarLoop]: trace histogram [56, 14, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:22,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:22,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:22,318 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:22,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:22,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1886617037, now seen corresponding path program 7 times [2021-11-07 01:35:22,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:22,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010085337] [2021-11-07 01:35:22,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:22,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 01:35:24,270 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:24,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010085337] [2021-11-07 01:35:24,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010085337] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:24,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134550274] [2021-11-07 01:35:24,270 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:35:24,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:24,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:24,274 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:24,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 01:35:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:24,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-07 01:35:24,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:24,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 01:35:24,858 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:29,118 INFO L134 CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 01:35:29,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134550274] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:29,120 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [340670364] [2021-11-07 01:35:29,122 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:35:29,122 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:29,122 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:29,123 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:29,123 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:29,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:29,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:29,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 01:35:29,148 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_19|], 36=[|v_#valid_35|]} [2021-11-07 01:35:29,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,166 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 01:35:29,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:29,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:29,168 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,210 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:35:29,210 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 01:35:29,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,214 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:29,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:29,215 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,220 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:35:29,223 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,224 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 01:35:29,227 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 01:35:29,231 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,232 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,233 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,234 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:29,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:29,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,236 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,237 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,237 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:29,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:29,238 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,239 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,240 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:29,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:29,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:29,244 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 01:35:29,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:29,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:29,261 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:29,261 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:35:29,273 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,274 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 01:35:29,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,327 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,338 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:29,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:35:29,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 01:35:29,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 01:35:29,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:35:29,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,359 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:29,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:29,361 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,363 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:29,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:29,369 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,379 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:29,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:29,380 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,381 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,381 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,382 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:29,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:29,384 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,385 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,386 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:29,387 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:29,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:29,391 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:29,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:29,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:29,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:29,398 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,400 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:35:29,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:35:29,402 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:35:29,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 01:35:29,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:35:29,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:35:29,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:29,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:29,451 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:29,452 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:29,482 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:35:29,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:35:29,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:35:29,487 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,518 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,533 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 01:35:29,540 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 01:35:29,541 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:29,542 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 01:35:29,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,608 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,614 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 01:35:29,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:29,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:29,620 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,623 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:29,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:29,624 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:29,626 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:29,626 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,628 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:29,630 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:29,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:29,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:29,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:29,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:35:29,644 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:29,657 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:35:29,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:35:29,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:29,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:29,661 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:29,672 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:35:29,672 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,673 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 01:35:29,678 INFO L180 QuantifierPusher]: treesize reduction 43, result has 61.6 percent of original size [2021-11-07 01:35:29,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:29,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-07 01:35:29,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 01:35:29,688 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,689 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:29,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:29,691 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,693 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:29,695 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,695 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:40 [2021-11-07 01:35:29,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,724 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.4 percent of original size [2021-11-07 01:35:29,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,726 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,727 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:29,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:35:29,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:29,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:29,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:29,743 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,751 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:29,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:29,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:29,754 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,764 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,767 INFO L180 QuantifierPusher]: treesize reduction 88, result has 47.9 percent of original size [2021-11-07 01:35:29,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 01:35:29,769 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:29,770 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:81 [2021-11-07 01:35:29,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,796 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 01:35:29,797 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:29,798 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:29,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:29,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:29,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:29,812 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:29,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,813 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:29,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:29,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:29,817 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:29,817 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:43 [2021-11-07 01:35:29,826 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:30,524 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:30,524 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:30,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58, 58, 58] total 116 [2021-11-07 01:35:30,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240212061] [2021-11-07 01:35:30,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2021-11-07 01:35:30,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:30,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2021-11-07 01:35:30,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6806, Invalid=7956, Unknown=0, NotChecked=0, Total=14762 [2021-11-07 01:35:30,536 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand has 117 states, 117 states have (on average 1.0512820512820513) internal successors, (123), 116 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:30,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:30,824 INFO L93 Difference]: Finished difference Result 156 states and 217 transitions. [2021-11-07 01:35:30,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2021-11-07 01:35:30,825 INFO L78 Accepts]: Start accepts. Automaton has has 117 states, 117 states have (on average 1.0512820512820513) internal successors, (123), 116 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2021-11-07 01:35:30,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:30,829 INFO L225 Difference]: With dead ends: 156 [2021-11-07 01:35:30,829 INFO L226 Difference]: Without dead ends: 136 [2021-11-07 01:35:30,836 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=6806, Invalid=7956, Unknown=0, NotChecked=0, Total=14762 [2021-11-07 01:35:30,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-11-07 01:35:30,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-11-07 01:35:30,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 135 states have (on average 1.0222222222222221) internal successors, (138), 135 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:30,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 138 transitions. [2021-11-07 01:35:30,864 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 138 transitions. Word has length 76 [2021-11-07 01:35:30,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:30,865 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 138 transitions. [2021-11-07 01:35:30,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 1.0512820512820513) internal successors, (123), 116 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:30,866 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 138 transitions. [2021-11-07 01:35:30,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-07 01:35:30,874 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:30,875 INFO L513 BasicCegarLoop]: trace histogram [114, 14, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:30,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:31,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:31,098 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:31,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:31,098 INFO L85 PathProgramCache]: Analyzing trace with hash 523545037, now seen corresponding path program 8 times [2021-11-07 01:35:31,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:31,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007566154] [2021-11-07 01:35:31,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:31,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:36,543 INFO L134 CoverageAnalysis]: Checked inductivity of 6660 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-07 01:35:36,544 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:36,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007566154] [2021-11-07 01:35:36,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007566154] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:36,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459795626] [2021-11-07 01:35:36,544 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:35:36,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:36,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:36,545 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:36,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 01:35:39,174 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-11-07 01:35:39,174 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:35:39,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-07 01:35:39,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6555 trivial. 0 not checked. [2021-11-07 01:35:40,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:35:41,823 INFO L134 CoverageAnalysis]: Checked inductivity of 6660 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 6555 trivial. 0 not checked. [2021-11-07 01:35:41,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459795626] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:35:41,823 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [988318964] [2021-11-07 01:35:41,827 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:35:41,828 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:35:41,828 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:35:41,828 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:35:41,829 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:35:41,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:41,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:41,840 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:41,840 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:41,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 01:35:41,845 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_20|], 36=[|v_#valid_36|]} [2021-11-07 01:35:41,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 01:35:41,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,865 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:41,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:35:41,866 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:41,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:41,871 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,939 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:35:41,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 01:35:41,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:41,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,945 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:35:41,945 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:41,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:41,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:35:41,954 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:41,954 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 01:35:41,959 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 01:35:41,965 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:41,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,967 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:41,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:41,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:35:41,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:41,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,972 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:41,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,973 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-07 01:35:41,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:35:41,974 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:41,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:41,976 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:35:41,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-07 01:35:41,978 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:41,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:41,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:41,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-07 01:35:41,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:41,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 37 [2021-11-07 01:35:42,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:42,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:42,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:42,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-07 01:35:42,020 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:42,021 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:161, output treesize:150 [2021-11-07 01:35:42,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,084 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:42,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:42,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:42,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:42,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 01:35:42,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:42,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 361 [2021-11-07 01:35:42,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 316 [2021-11-07 01:35:42,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 317 [2021-11-07 01:35:42,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,141 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,152 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:42,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:42,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:42,162 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:42,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-07 01:35:42,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-07 01:35:42,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,168 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-07 01:35:42,169 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,172 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:42,174 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:42,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,176 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:42,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:42,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,181 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:42,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:35:42,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:35:42,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 393 [2021-11-07 01:35:42,189 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 332 [2021-11-07 01:35:42,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 391 [2021-11-07 01:35:42,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:42,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:42,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:42,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:42,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:42,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 77 [2021-11-07 01:35:42,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:35:42,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-11-07 01:35:42,252 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:42,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:42,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:42,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:35:42,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:35:42,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,280 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:42,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:35:42,282 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:42,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,332 INFO L180 QuantifierPusher]: treesize reduction 94, result has 79.9 percent of original size [2021-11-07 01:35:42,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 01:35:42,341 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:42,342 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:503, output treesize:397 [2021-11-07 01:35:42,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,401 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 01:35:42,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,407 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:42,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:42,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:42,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:42,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:42,416 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:42,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,419 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:35:42,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:42,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:35:42,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:35:42,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:35:42,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:35:42,434 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:35:42,447 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:35:42,447 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:35:42,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:42,449 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:35:42,450 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:42,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,461 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:35:42,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:35:42,463 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:42,464 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 01:35:42,470 INFO L180 QuantifierPusher]: treesize reduction 43, result has 61.6 percent of original size [2021-11-07 01:35:42,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:35:42,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-11-07 01:35:42,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-07 01:35:42,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:42,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:42,482 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:42,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,486 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:35:42,487 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:42,487 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:40 [2021-11-07 01:35:42,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,517 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.4 percent of original size [2021-11-07 01:35:42,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:42,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:35:42,531 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:42,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:42,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:42,533 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:42,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:42,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,541 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:42,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:42,542 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:42,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,556 INFO L180 QuantifierPusher]: treesize reduction 88, result has 47.9 percent of original size [2021-11-07 01:35:42,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 01:35:42,558 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:35:42,558 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:81 [2021-11-07 01:35:42,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,584 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 01:35:42,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:35:42,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,587 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:35:42,588 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:35:42,594 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:35:42,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:42,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:35:42,597 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:35:42,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:35:42,599 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:35:42,601 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:35:42,601 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:35:42,602 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:43 [2021-11-07 01:35:42,610 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:35:43,785 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:35:43,785 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:35:43,786 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [116, 17, 17] total 147 [2021-11-07 01:35:43,786 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142569707] [2021-11-07 01:35:43,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 147 states [2021-11-07 01:35:43,787 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:35:43,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2021-11-07 01:35:43,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7301, Invalid=15651, Unknown=0, NotChecked=0, Total=22952 [2021-11-07 01:35:43,797 INFO L87 Difference]: Start difference. First operand 136 states and 138 transitions. Second operand has 147 states, 147 states have (on average 1.054421768707483) internal successors, (155), 147 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:44,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:35:44,195 INFO L93 Difference]: Finished difference Result 173 states and 193 transitions. [2021-11-07 01:35:44,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2021-11-07 01:35:44,196 INFO L78 Accepts]: Start accepts. Automaton has has 147 states, 147 states have (on average 1.054421768707483) internal successors, (155), 147 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 134 [2021-11-07 01:35:44,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:35:44,202 INFO L225 Difference]: With dead ends: 173 [2021-11-07 01:35:44,203 INFO L226 Difference]: Without dead ends: 153 [2021-11-07 01:35:44,206 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 366 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4205 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=7301, Invalid=15651, Unknown=0, NotChecked=0, Total=22952 [2021-11-07 01:35:44,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-11-07 01:35:44,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-11-07 01:35:44,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 152 states have (on average 1.019736842105263) internal successors, (155), 152 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:44,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 155 transitions. [2021-11-07 01:35:44,238 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 155 transitions. Word has length 134 [2021-11-07 01:35:44,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:35:44,240 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 155 transitions. [2021-11-07 01:35:44,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 147 states, 147 states have (on average 1.054421768707483) internal successors, (155), 147 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:35:44,241 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 155 transitions. [2021-11-07 01:35:44,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-07 01:35:44,250 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:35:44,250 INFO L513 BasicCegarLoop]: trace histogram [115, 30, 1, 1, 1, 1, 1, 1] [2021-11-07 01:35:44,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:35:44,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:44,451 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:35:44,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:35:44,452 INFO L85 PathProgramCache]: Analyzing trace with hash 800890285, now seen corresponding path program 9 times [2021-11-07 01:35:44,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:35:44,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484937696] [2021-11-07 01:35:44,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:44,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:35:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:35:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 7135 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 01:35:50,386 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:35:50,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484937696] [2021-11-07 01:35:50,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484937696] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:35:50,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335304388] [2021-11-07 01:35:50,387 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:35:50,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:35:50,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:35:50,404 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:35:50,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 01:35:50,941 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:35:50,941 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:35:50,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 1097 conjuncts, 117 conjunts are in the unsatisfiable core [2021-11-07 01:35:50,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:35:51,582 INFO L134 CoverageAnalysis]: Checked inductivity of 7135 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 01:35:51,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:36:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 7135 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 01:36:07,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335304388] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:36:07,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [78904131] [2021-11-07 01:36:07,219 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:36:07,220 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:36:07,220 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:36:07,220 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:36:07,220 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:36:07,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,224 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,225 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,225 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:36:07,225 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,226 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,226 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:36:07,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 01:36:07,228 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_21|], 36=[|v_#valid_37|]} [2021-11-07 01:36:07,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 01:36:07,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:07,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:36:07,248 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,265 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,298 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:36:07,298 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 01:36:07,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:36:07,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,302 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:36:07,302 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:36:07,309 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,309 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 01:36:07,312 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 01:36:07,315 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,317 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:36:07,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:36:07,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,319 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,320 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:07,321 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:07,321 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,322 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,323 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,323 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:07,324 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:07,324 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,324 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:36:07,327 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 01:36:07,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:36:07,339 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:36:07,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,341 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:36:07,341 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:36:07,351 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,351 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 01:36:07,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,411 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:36:07,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:36:07,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 01:36:07,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 01:36:07,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:36:07,425 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:07,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:07,428 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,429 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:07,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:07,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:07,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:07,443 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:07,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:07,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:36:07,449 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:36:07,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:36:07,452 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,453 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,453 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:36:07,454 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:36:07,455 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,456 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:07,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:07,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:07,460 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:07,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:36:07,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 01:36:07,465 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,471 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:36:07,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:36:07,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:36:07,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:36:07,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:36:07,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:36:07,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:36:07,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:07,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:36:07,569 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,596 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 01:36:07,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 01:36:07,615 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:07,616 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 01:36:07,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,686 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 01:36:07,689 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,689 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,690 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:07,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:07,691 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,692 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,693 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,698 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:07,699 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:07,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:07,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:07,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,702 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,703 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:07,705 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:07,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:36:07,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:36:07,707 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,708 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:36:07,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:36:07,721 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:36:07,732 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:36:07,732 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:36:07,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:36:07,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:36:07,735 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,738 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:36:07,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:36:07,745 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,745 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 01:36:07,750 INFO L180 QuantifierPusher]: treesize reduction 43, result has 61.6 percent of original size [2021-11-07 01:36:07,751 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:36:07,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:36:07,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:36:07,758 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:07,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:07,760 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,762 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,762 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:36:07,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,763 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:42 [2021-11-07 01:36:07,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,800 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.4 percent of original size [2021-11-07 01:36:07,802 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,802 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,803 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:36:07,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:36:07,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:36:07,813 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:07,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:07,814 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:36:07,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:07,822 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:07,822 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,833 INFO L180 QuantifierPusher]: treesize reduction 88, result has 47.9 percent of original size [2021-11-07 01:36:07,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 01:36:07,835 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:36:07,835 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:81 [2021-11-07 01:36:07,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,854 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 01:36:07,856 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:36:07,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:36:07,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:36:07,864 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:36:07,865 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:07,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,866 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:36:07,867 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:36:07,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:36:07,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:36:07,870 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:36:07,870 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:43 [2021-11-07 01:36:07,881 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:36:08,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:36:08,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:36:08,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [117, 117, 117] total 234 [2021-11-07 01:36:08,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021533944] [2021-11-07 01:36:08,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 235 states [2021-11-07 01:36:08,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:36:08,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 235 interpolants. [2021-11-07 01:36:08,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27515, Invalid=29845, Unknown=0, NotChecked=0, Total=57360 [2021-11-07 01:36:08,660 INFO L87 Difference]: Start difference. First operand 153 states and 155 transitions. Second operand has 235 states, 235 states have (on average 1.025531914893617) internal successors, (241), 234 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:09,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:36:09,348 INFO L93 Difference]: Finished difference Result 306 states and 426 transitions. [2021-11-07 01:36:09,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2021-11-07 01:36:09,349 INFO L78 Accepts]: Start accepts. Automaton has has 235 states, 235 states have (on average 1.025531914893617) internal successors, (241), 234 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 151 [2021-11-07 01:36:09,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:36:09,352 INFO L225 Difference]: With dead ends: 306 [2021-11-07 01:36:09,352 INFO L226 Difference]: Without dead ends: 270 [2021-11-07 01:36:09,357 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 568 GetRequests, 330 SyntacticMatches, 0 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2200 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=27515, Invalid=29845, Unknown=0, NotChecked=0, Total=57360 [2021-11-07 01:36:09,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2021-11-07 01:36:09,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2021-11-07 01:36:09,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 269 states have (on average 1.0111524163568772) internal successors, (272), 269 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:09,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 272 transitions. [2021-11-07 01:36:09,390 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 272 transitions. Word has length 151 [2021-11-07 01:36:09,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:36:09,390 INFO L470 AbstractCegarLoop]: Abstraction has 270 states and 272 transitions. [2021-11-07 01:36:09,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 235 states, 235 states have (on average 1.025531914893617) internal successors, (241), 234 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:36:09,391 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 272 transitions. [2021-11-07 01:36:09,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-07 01:36:09,395 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:36:09,396 INFO L513 BasicCegarLoop]: trace histogram [232, 30, 1, 1, 1, 1, 1, 1] [2021-11-07 01:36:09,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:09,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable226,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:09,622 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:36:09,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:36:09,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1784485683, now seen corresponding path program 10 times [2021-11-07 01:36:09,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:36:09,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827594399] [2021-11-07 01:36:09,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:09,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:36:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:28,462 INFO L134 CoverageAnalysis]: Checked inductivity of 27493 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 01:36:28,462 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:36:28,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827594399] [2021-11-07 01:36:28,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827594399] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:36:28,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015555936] [2021-11-07 01:36:28,462 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-11-07 01:36:28,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:28,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:28,463 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:28,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 01:36:29,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:29,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 2033 conjuncts, 234 conjunts are in the unsatisfiable core [2021-11-07 01:36:29,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:30,197 INFO L134 CoverageAnalysis]: Checked inductivity of 27493 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 01:36:30,197 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:37:31,133 INFO L134 CoverageAnalysis]: Checked inductivity of 27493 backedges. 0 proven. 27028 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 01:37:31,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015555936] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:37:31,134 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1109205804] [2021-11-07 01:37:31,137 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:37:31,137 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:37:31,137 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:37:31,138 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:37:31,138 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:37:31,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:37:31,154 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,155 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:37:31,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 01:37:31,159 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_22|], 36=[|v_#valid_38|]} [2021-11-07 01:37:31,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,177 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 01:37:31,177 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:31,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:37:31,179 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,183 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,222 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:37:31,223 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 01:37:31,224 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:37:31,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,228 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:37:31,228 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,233 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:37:31,237 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,237 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 01:37:31,241 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 01:37:31,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,246 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,247 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:31,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:31,248 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,249 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:31,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:31,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,252 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:37:31,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:37:31,255 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,255 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,256 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:37:31,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 01:37:31,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:37:31,274 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,275 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:37:31,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:37:31,277 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:37:31,288 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,289 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 01:37:31,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:31,342 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:31,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:31,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:31,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,353 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,358 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:37:31,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:37:31,365 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 01:37:31,366 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 01:37:31,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:37:31,380 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,384 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,386 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,389 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:31,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:31,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:31,393 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:31,394 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:37:31,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:37:31,398 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:37:31,402 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:31,405 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:31,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,407 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:31,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:31,409 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,411 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:37:31,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:37:31,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:37:31,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 01:37:31,419 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,425 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:37:31,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:37:31,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:37:31,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:37:31,464 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:37:31,465 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:37:31,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:37:31,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:37:31,501 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,501 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:37:31,502 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,529 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,541 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 01:37:31,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 01:37:31,549 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:31,549 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 01:37:31,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,593 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 01:37:31,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,597 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:37:31,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:31,599 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,600 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,601 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:37:31,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:31,603 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:31,604 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:31,605 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,607 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:37:31,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:31,608 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,609 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:37:31,610 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:37:31,610 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,611 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:37:31,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:37:31,673 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:37:31,684 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:37:31,685 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:37:31,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:37:31,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:37:31,688 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,688 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,690 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,692 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,693 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:37:31,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:37:31,698 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,698 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 01:37:31,704 INFO L180 QuantifierPusher]: treesize reduction 43, result has 61.6 percent of original size [2021-11-07 01:37:31,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,705 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:37:31,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:37:31,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:37:31,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:31,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:31,715 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,717 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:37:31,719 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,719 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:42 [2021-11-07 01:37:31,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,746 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.4 percent of original size [2021-11-07 01:37:31,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:37:31,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:37:31,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:37:31,760 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:31,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:31,762 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:37:31,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:31,770 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,770 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:31,771 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,782 INFO L180 QuantifierPusher]: treesize reduction 88, result has 47.9 percent of original size [2021-11-07 01:37:31,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 01:37:31,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:37:31,784 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:81 [2021-11-07 01:37:31,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,807 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 01:37:31,808 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:37:31,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:37:31,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:37:31,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:37:31,816 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,817 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:31,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:37:31,818 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:37:31,820 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:37:31,821 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:37:31,822 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:37:31,822 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:43 [2021-11-07 01:37:31,829 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:37:33,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:37:33,104 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:37:33,105 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [234, 234, 234] total 468 [2021-11-07 01:37:33,105 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254726062] [2021-11-07 01:37:33,106 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 469 states [2021-11-07 01:37:33,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:37:33,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 469 interpolants. [2021-11-07 01:37:33,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109766, Invalid=114436, Unknown=0, NotChecked=0, Total=224202 [2021-11-07 01:37:33,136 INFO L87 Difference]: Start difference. First operand 270 states and 272 transitions. Second operand has 469 states, 469 states have (on average 1.0127931769722816) internal successors, (475), 468 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:37,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:37:37,858 INFO L93 Difference]: Finished difference Result 540 states and 777 transitions. [2021-11-07 01:37:37,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 468 states. [2021-11-07 01:37:37,859 INFO L78 Accepts]: Start accepts. Automaton has has 469 states, 469 states have (on average 1.0127931769722816) internal successors, (475), 468 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 268 [2021-11-07 01:37:37,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:37:37,863 INFO L225 Difference]: With dead ends: 540 [2021-11-07 01:37:37,863 INFO L226 Difference]: Without dead ends: 504 [2021-11-07 01:37:37,876 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1036 GetRequests, 564 SyntacticMatches, 0 SemanticMatches, 472 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4423 ImplicationChecksByTransitivity, 79.0s TimeCoverageRelationStatistics Valid=109766, Invalid=114436, Unknown=0, NotChecked=0, Total=224202 [2021-11-07 01:37:37,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2021-11-07 01:37:37,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 504. [2021-11-07 01:37:37,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 503 states have (on average 1.0059642147117296) internal successors, (506), 503 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:37,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 506 transitions. [2021-11-07 01:37:37,903 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 506 transitions. Word has length 268 [2021-11-07 01:37:37,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:37:37,904 INFO L470 AbstractCegarLoop]: Abstraction has 504 states and 506 transitions. [2021-11-07 01:37:37,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 469 states, 469 states have (on average 1.0127931769722816) internal successors, (475), 468 states have internal predecessors, (475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:37:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 506 transitions. [2021-11-07 01:37:37,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2021-11-07 01:37:37,918 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:37:37,919 INFO L513 BasicCegarLoop]: trace histogram [466, 30, 1, 1, 1, 1, 1, 1] [2021-11-07 01:37:37,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:37:38,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable254,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:37:38,134 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:37:38,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:37:38,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1319521075, now seen corresponding path program 11 times [2021-11-07 01:37:38,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:37:38,135 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658376201] [2021-11-07 01:37:38,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:37:38,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:37:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:38:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 109276 backedges. 0 proven. 108811 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-07 01:38:51,372 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:38:51,372 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658376201] [2021-11-07 01:38:51,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658376201] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:38:51,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160856690] [2021-11-07 01:38:51,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:38:51,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:38:51,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:38:51,379 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:38:51,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 01:39:31,795 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2021-11-07 01:39:31,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:39:31,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-07 01:39:31,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:39:37,980 INFO L134 CoverageAnalysis]: Checked inductivity of 109276 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 108811 trivial. 0 not checked. [2021-11-07 01:39:37,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:39:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 109276 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 108811 trivial. 0 not checked. [2021-11-07 01:39:44,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160856690] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:39:44,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [182229919] [2021-11-07 01:39:44,471 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:39:44,472 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:39:44,472 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:39:44,472 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:39:44,472 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:39:44,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,483 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:39:44,483 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,497 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:39:44,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 01:39:44,504 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_23|], 36=[|v_#valid_39|]} [2021-11-07 01:39:44,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,518 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 01:39:44,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:39:44,520 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,520 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:39:44,520 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:39:44,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,525 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,571 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:39:44,572 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 01:39:44,572 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:39:44,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,576 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:39:44,576 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:39:44,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:39:44,582 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:39:44,583 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 01:39:44,586 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 01:39:44,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:39:44,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:39:44,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,593 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,593 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:39:44,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:39:44,595 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,595 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:39:44,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:39:44,597 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,598 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:39:44,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 01:39:44,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:39:44,612 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:39:44,614 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:39:44,614 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:39:44,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,619 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:39:44,624 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:39:44,624 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 01:39:44,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,736 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:39:44,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:39:44,740 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:39:44,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:39:44,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:39:44,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:39:44,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 01:39:44,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 01:39:44,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:39:44,770 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,776 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:39:44,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:39:44,778 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,779 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:39:44,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:39:44,780 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,781 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,782 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,782 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:39:44,783 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:39:44,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:39:44,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:39:44,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:39:44,788 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,789 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:39:44,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:39:44,791 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,792 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:39:44,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:39:44,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,794 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:39:44,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 01:39:44,798 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:39:44,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:39:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:39:44,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:39:44,833 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,833 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:39:44,833 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:39:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:39:44,855 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:39:44,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:39:44,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:39:44,859 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:39:44,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,881 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,892 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 01:39:44,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 01:39:44,898 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:39:44,898 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 01:39:44,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,935 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 01:39:44,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,938 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:39:44,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:39:44,940 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:39:44,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:39:44,943 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:39:44,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:39:44,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:39:44,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:39:44,948 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:39:44,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:39:44,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:39:44,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:39:44,957 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:39:44,966 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:39:44,967 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:39:44,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:39:44,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,969 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:39:44,969 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:39:44,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,971 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:39:44,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:39:44,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:39:44,977 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 01:39:44,981 INFO L180 QuantifierPusher]: treesize reduction 43, result has 61.6 percent of original size [2021-11-07 01:39:44,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:44,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:39:44,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:39:44,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:39:44,988 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:39:44,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:39:44,990 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:39:44,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:44,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:39:44,993 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:39:44,993 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:42 [2021-11-07 01:39:44,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:44,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:45,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:45,013 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.4 percent of original size [2021-11-07 01:39:45,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:45,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:45,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:39:45,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:39:45,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:39:45,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:45,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:39:45,026 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:45,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:39:45,027 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:39:45,033 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:39:45,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:45,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:39:45,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:45,034 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:39:45,035 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:39:45,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:45,045 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:45,046 INFO L180 QuantifierPusher]: treesize reduction 88, result has 47.9 percent of original size [2021-11-07 01:39:45,047 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 01:39:45,047 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:39:45,047 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:81 [2021-11-07 01:39:45,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:45,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:45,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:45,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:45,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:45,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:45,062 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 01:39:45,064 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:39:45,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:45,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:39:45,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:39:45,070 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:39:45,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:45,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:39:45,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:45,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:39:45,072 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:39:45,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:39:45,074 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:45,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:39:45,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:39:45,075 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:39:45,076 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:43 [2021-11-07 01:39:45,082 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:39:47,170 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:39:47,170 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:39:47,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [468, 33, 33] total 531 [2021-11-07 01:39:47,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332764734] [2021-11-07 01:39:47,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 531 states [2021-11-07 01:39:47,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:39:47,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 531 interpolants. [2021-11-07 01:39:47,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111781, Invalid=174979, Unknown=0, NotChecked=0, Total=286760 [2021-11-07 01:39:47,198 INFO L87 Difference]: Start difference. First operand 504 states and 506 transitions. Second operand has 531 states, 531 states have (on average 1.015065913370998) internal successors, (539), 531 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:50,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:39:50,687 INFO L93 Difference]: Finished difference Result 573 states and 609 transitions. [2021-11-07 01:39:50,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 531 states. [2021-11-07 01:39:50,687 INFO L78 Accepts]: Start accepts. Automaton has has 531 states, 531 states have (on average 1.015065913370998) internal successors, (539), 531 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 502 [2021-11-07 01:39:50,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:39:50,690 INFO L225 Difference]: With dead ends: 573 [2021-11-07 01:39:50,690 INFO L226 Difference]: Without dead ends: 537 [2021-11-07 01:39:50,707 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1972 GetRequests, 1438 SyntacticMatches, 0 SemanticMatches, 534 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31677 ImplicationChecksByTransitivity, 82.5s TimeCoverageRelationStatistics Valid=111781, Invalid=174979, Unknown=0, NotChecked=0, Total=286760 [2021-11-07 01:39:50,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2021-11-07 01:39:50,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 537. [2021-11-07 01:39:50,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 537 states, 536 states have (on average 1.0055970149253732) internal successors, (539), 536 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:50,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 539 transitions. [2021-11-07 01:39:50,729 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 539 transitions. Word has length 502 [2021-11-07 01:39:50,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:39:50,730 INFO L470 AbstractCegarLoop]: Abstraction has 537 states and 539 transitions. [2021-11-07 01:39:50,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 531 states, 531 states have (on average 1.015065913370998) internal successors, (539), 531 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:39:50,731 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 539 transitions. [2021-11-07 01:39:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2021-11-07 01:39:50,744 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:39:50,744 INFO L513 BasicCegarLoop]: trace histogram [467, 62, 1, 1, 1, 1, 1, 1] [2021-11-07 01:39:50,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:39:50,944 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable282 [2021-11-07 01:39:50,945 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:39:50,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:39:50,945 INFO L85 PathProgramCache]: Analyzing trace with hash -839945299, now seen corresponding path program 12 times [2021-11-07 01:39:50,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:39:50,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553429365] [2021-11-07 01:39:50,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:39:50,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:39:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:41:03,036 INFO L134 CoverageAnalysis]: Checked inductivity of 111231 backedges. 0 proven. 109278 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-07 01:41:03,036 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:41:03,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553429365] [2021-11-07 01:41:03,036 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553429365] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:41:03,036 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247973932] [2021-11-07 01:41:03,036 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-07 01:41:03,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:41:03,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:41:03,037 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:41:03,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 01:41:04,402 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-07 01:41:04,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:41:04,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 4041 conjuncts, 469 conjunts are in the unsatisfiable core [2021-11-07 01:41:04,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:41:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 111231 backedges. 0 proven. 109278 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-07 01:41:05,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:44:44,902 INFO L134 CoverageAnalysis]: Checked inductivity of 111231 backedges. 0 proven. 109278 refuted. 0 times theorem prover too weak. 1953 trivial. 0 not checked. [2021-11-07 01:44:44,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247973932] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:44:44,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [992491268] [2021-11-07 01:44:44,905 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2021-11-07 01:44:44,905 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:44:44,905 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:44:44,905 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:44:44,906 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:44:44,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:44:44,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:44:44,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 155 [2021-11-07 01:44:44,918 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_24|], 36=[|v_#valid_40|]} [2021-11-07 01:44:44,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,929 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 21 [2021-11-07 01:44:44,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:44:44,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:44:44,930 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:44,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:44,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:44,957 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-11-07 01:44:44,958 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 42 [2021-11-07 01:44:44,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:44:44,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-11-07 01:44:44,961 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:44,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:44,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:44:44,965 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:44,966 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:152, output treesize:118 [2021-11-07 01:44:44,968 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.4 percent of original size [2021-11-07 01:44:44,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:44:44,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:44:44,972 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,974 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,989 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:44:44,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:44,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:44:44,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:44,993 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:44,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:44,994 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:44:44,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 180 [2021-11-07 01:44:45,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,008 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:44:45,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:44:45,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:44:45,011 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 172 [2021-11-07 01:44:45,020 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,020 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:172 [2021-11-07 01:44:45,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,063 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:44:45,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:44:45,078 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 381 [2021-11-07 01:44:45,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 336 [2021-11-07 01:44:45,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:44:45,087 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:44:45,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:45,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,091 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:44:45,092 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:45,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:44:45,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:44:45,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,103 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:44:45,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:45,105 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,106 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,107 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:44:45,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:45,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-11-07 01:44:45,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:44:45,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:45,113 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,114 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:44:45,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:45,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,117 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-11-07 01:44:45,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 112 [2021-11-07 01:44:45,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,120 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:44:45,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 413 [2021-11-07 01:44:45,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 352 [2021-11-07 01:44:45,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:44:45,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 87 [2021-11-07 01:44:45,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:44:45,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-07 01:44:45,173 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:44:45,193 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 47 [2021-11-07 01:44:45,193 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:44:45,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:44:45,196 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,218 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,342 INFO L180 QuantifierPusher]: treesize reduction 94, result has 80.7 percent of original size [2021-11-07 01:44:45,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 417 [2021-11-07 01:44:45,363 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:45,363 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:523, output treesize:417 [2021-11-07 01:44:45,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,422 INFO L180 QuantifierPusher]: treesize reduction 36, result has 73.7 percent of original size [2021-11-07 01:44:45,424 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,425 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:44:45,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:45,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,427 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,433 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:44:45,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:45,434 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:44:45,435 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:45,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,435 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,436 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,436 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:44:45,437 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:45,437 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:44:45,438 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-07 01:44:45,438 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,439 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:44:45,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:44:45,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:44:45,455 INFO L354 Elim1Store]: treesize reduction 18, result has 47.1 percent of original size [2021-11-07 01:44:45,455 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 1 case distinctions, treesize of input 42 treesize of output 29 [2021-11-07 01:44:45,456 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,456 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:44:45,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,457 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:44:45,457 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,460 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,461 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-07 01:44:45,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-07 01:44:45,465 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,466 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:98, output treesize:97 [2021-11-07 01:44:45,470 INFO L180 QuantifierPusher]: treesize reduction 43, result has 61.6 percent of original size [2021-11-07 01:44:45,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,471 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:44:45,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:44:45,477 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:44:45,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:45,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:45,479 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,480 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-07 01:44:45,482 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,482 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:67, output treesize:42 [2021-11-07 01:44:45,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,504 INFO L180 QuantifierPusher]: treesize reduction 4, result has 97.4 percent of original size [2021-11-07 01:44:45,505 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:44:45,507 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 148 [2021-11-07 01:44:45,514 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:44:45,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:45,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:45,516 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:44:45,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:45,522 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,522 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:45,523 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,529 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,532 INFO L180 QuantifierPusher]: treesize reduction 88, result has 47.9 percent of original size [2021-11-07 01:44:45,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-07 01:44:45,534 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:44:45,534 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:219, output treesize:81 [2021-11-07 01:44:45,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,547 INFO L180 QuantifierPusher]: treesize reduction 36, result has 66.7 percent of original size [2021-11-07 01:44:45,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:44:45,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:44:45,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:44:45,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2021-11-07 01:44:45,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:45,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,558 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:44:45,558 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:44:45,560 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,563 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:44:45,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-07 01:44:45,563 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:44:45,563 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:43 [2021-11-07 01:44:45,569 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:44:47,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:44:47,502 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:44:47,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [469, 469, 469] total 938 [2021-11-07 01:44:47,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262703026] [2021-11-07 01:44:47,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 939 states [2021-11-07 01:44:47,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:44:47,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 939 interpolants. [2021-11-07 01:44:47,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=440411, Invalid=449781, Unknown=0, NotChecked=0, Total=890192 [2021-11-07 01:44:47,607 INFO L87 Difference]: Start difference. First operand 537 states and 539 transitions. Second operand has 939 states, 939 states have (on average 1.0063897763578276) internal successors, (945), 938 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:10,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:45:10,666 INFO L93 Difference]: Finished difference Result 1074 states and 1546 transitions. [2021-11-07 01:45:10,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 938 states. [2021-11-07 01:45:10,667 INFO L78 Accepts]: Start accepts. Automaton has has 939 states, 939 states have (on average 1.0063897763578276) internal successors, (945), 938 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 535 [2021-11-07 01:45:10,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:45:10,674 INFO L225 Difference]: With dead ends: 1074 [2021-11-07 01:45:10,674 INFO L226 Difference]: Without dead ends: 1006 [2021-11-07 01:45:10,717 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2072 GetRequests, 1130 SyntacticMatches, 0 SemanticMatches, 942 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8888 ImplicationChecksByTransitivity, 288.7s TimeCoverageRelationStatistics Valid=440411, Invalid=449781, Unknown=0, NotChecked=0, Total=890192 [2021-11-07 01:45:10,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2021-11-07 01:45:10,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 1006. [2021-11-07 01:45:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1006 states, 1005 states have (on average 1.0029850746268656) internal successors, (1008), 1005 states have internal predecessors, (1008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 1006 states and 1008 transitions. [2021-11-07 01:45:10,755 INFO L78 Accepts]: Start accepts. Automaton has 1006 states and 1008 transitions. Word has length 535 [2021-11-07 01:45:10,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:45:10,757 INFO L470 AbstractCegarLoop]: Abstraction has 1006 states and 1008 transitions. [2021-11-07 01:45:10,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 939 states, 939 states have (on average 1.0063897763578276) internal successors, (945), 938 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:45:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1008 transitions. [2021-11-07 01:45:10,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1005 [2021-11-07 01:45:10,768 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:45:10,768 INFO L513 BasicCegarLoop]: trace histogram [936, 62, 1, 1, 1, 1, 1, 1] [2021-11-07 01:45:10,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-11-07 01:45:10,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_659bbfaf-5e48-48a9-9e5e-31fa4a757949/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable310 [2021-11-07 01:45:10,986 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:45:10,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:45:10,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1532690125, now seen corresponding path program 13 times [2021-11-07 01:45:10,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:45:10,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180573534] [2021-11-07 01:45:10,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:45:10,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:45:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat