./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-examples/standard_strcpy_ground-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/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_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-examples/standard_strcpy_ground-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1dc3813f801c08c10697b6f3aeaa3afb846521f0bb73d940036cc656d8340c66 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:47:26,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:47:26,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:47:26,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:47:26,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:47:26,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:47:26,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:47:26,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:47:26,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:47:26,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:47:26,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:47:26,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:47:26,616 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:47:26,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:47:26,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:47:26,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:47:26,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:47:26,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:47:26,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:47:26,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:47:26,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:47:26,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:47:26,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:47:26,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:47:26,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:47:26,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:47:26,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:47:26,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:47:26,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:47:26,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:47:26,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:47:26,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:47:26,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:47:26,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:47:26,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:47:26,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:47:26,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:47:26,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:47:26,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:47:26,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:47:26,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:47:26,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-07 01:47:26,690 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:47:26,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:47:26,692 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:47:26,692 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:47:26,693 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:47:26,693 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:47:26,693 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:47:26,694 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:47:26,694 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:47:26,694 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:47:26,695 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:47:26,695 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:47:26,695 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:47:26,696 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:47:26,696 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:47:26,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 01:47:26,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 01:47:26,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:47:26,698 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:47:26,698 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:47:26,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:47:26,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:47:26,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:47:26,699 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-07 01:47:26,699 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-07 01:47:26,699 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-07 01:47:26,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:47:26,700 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:47:26,700 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:47:26,700 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:47:26,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:47:26,701 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:47:26,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:47:26,702 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:47:26,702 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:47:26,702 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:47:26,702 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:47:26,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:47:26,703 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:47:26,703 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_2d754286-415b-4ef0-92dd-33f0d0831edd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1dc3813f801c08c10697b6f3aeaa3afb846521f0bb73d940036cc656d8340c66 [2021-11-07 01:47:27,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:47:27,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:47:27,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:47:27,047 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:47:27,048 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:47:27,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/array-examples/standard_strcpy_ground-2.i [2021-11-07 01:47:27,126 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/data/b9d001e8f/0099e91c38ce4fed9da703a110dbaa85/FLAGd6e440c55 [2021-11-07 01:47:27,573 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:47:27,573 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/sv-benchmarks/c/array-examples/standard_strcpy_ground-2.i [2021-11-07 01:47:27,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/data/b9d001e8f/0099e91c38ce4fed9da703a110dbaa85/FLAGd6e440c55 [2021-11-07 01:47:27,961 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/data/b9d001e8f/0099e91c38ce4fed9da703a110dbaa85 [2021-11-07 01:47:27,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:47:27,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:47:27,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:47:27,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:47:27,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:47:27,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:47:27" (1/1) ... [2021-11-07 01:47:27,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c0e43bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:27, skipping insertion in model container [2021-11-07 01:47:27,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:47:27" (1/1) ... [2021-11-07 01:47:27,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:47:28,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:47:28,167 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_2d754286-415b-4ef0-92dd-33f0d0831edd/sv-benchmarks/c/array-examples/standard_strcpy_ground-2.i[817,830] [2021-11-07 01:47:28,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:47:28,222 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:47:28,246 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_2d754286-415b-4ef0-92dd-33f0d0831edd/sv-benchmarks/c/array-examples/standard_strcpy_ground-2.i[817,830] [2021-11-07 01:47:28,270 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:47:28,285 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:47:28,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:28 WrapperNode [2021-11-07 01:47:28,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:47:28,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:47:28,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:47:28,288 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:47:28,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:28" (1/1) ... [2021-11-07 01:47:28,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:28" (1/1) ... [2021-11-07 01:47:28,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:47:28,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:47:28,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:47:28,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:47:28,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:28" (1/1) ... [2021-11-07 01:47:28,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:28" (1/1) ... [2021-11-07 01:47:28,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:28" (1/1) ... [2021-11-07 01:47:28,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:28" (1/1) ... [2021-11-07 01:47:28,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:28" (1/1) ... [2021-11-07 01:47:28,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:28" (1/1) ... [2021-11-07 01:47:28,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:28" (1/1) ... [2021-11-07 01:47:28,383 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:47:28,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:47:28,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:47:28,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:47:28,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:28" (1/1) ... [2021-11-07 01:47:28,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:47:28,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:28,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:47:28,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:47:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:47:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:47:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:47:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:47:28,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:47:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:47:28,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:47:28,944 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:47:28,944 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-07 01:47:28,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:47:28 BoogieIcfgContainer [2021-11-07 01:47:28,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:47:28,951 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:47:28,952 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:47:28,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:47:28,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:47:27" (1/3) ... [2021-11-07 01:47:28,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@838190b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:47:28, skipping insertion in model container [2021-11-07 01:47:28,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:47:28" (2/3) ... [2021-11-07 01:47:28,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@838190b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:47:28, skipping insertion in model container [2021-11-07 01:47:28,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:47:28" (3/3) ... [2021-11-07 01:47:28,960 INFO L111 eAbstractionObserver]: Analyzing ICFG standard_strcpy_ground-2.i [2021-11-07 01:47:28,974 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:47:28,975 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-07 01:47:29,030 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:47:29,045 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=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 01:47:29,045 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2021-11-07 01:47:29,067 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 01:47:29,076 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:29,076 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 01:47:29,077 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:29,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:29,091 INFO L85 PathProgramCache]: Analyzing trace with hash 113238, now seen corresponding path program 1 times [2021-11-07 01:47:29,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:29,101 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106023944] [2021-11-07 01:47:29,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:29,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:29,272 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 01:47:29,273 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:29,273 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106023944] [2021-11-07 01:47:29,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106023944] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:29,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:29,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 01:47:29,277 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170520492] [2021-11-07 01:47:29,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:47:29,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:29,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:47:29,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:47:29,303 INFO L87 Difference]: Start difference. First operand has 30 states, 15 states have (on average 2.2666666666666666) internal successors, (34), 29 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 01:47:29,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:29,372 INFO L93 Difference]: Finished difference Result 59 states and 62 transitions. [2021-11-07 01:47:29,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:47:29,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-07 01:47:29,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:29,385 INFO L225 Difference]: With dead ends: 59 [2021-11-07 01:47:29,385 INFO L226 Difference]: Without dead ends: 57 [2021-11-07 01:47:29,387 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 01:47:29,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-11-07 01:47:29,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 30. [2021-11-07 01:47:29,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 16 states have (on average 2.0) internal successors, (32), 29 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:29,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2021-11-07 01:47:29,445 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 3 [2021-11-07 01:47:29,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:29,446 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2021-11-07 01:47:29,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 01:47:29,447 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2021-11-07 01:47:29,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 01:47:29,447 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:29,447 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 01:47:29,448 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:47:29,448 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:29,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:29,450 INFO L85 PathProgramCache]: Analyzing trace with hash 110837, now seen corresponding path program 1 times [2021-11-07 01:47:29,450 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:29,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072332470] [2021-11-07 01:47:29,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:29,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:29,524 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 01:47:29,524 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:29,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072332470] [2021-11-07 01:47:29,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072332470] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:29,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:29,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-07 01:47:29,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918889027] [2021-11-07 01:47:29,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:47:29,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:29,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:47:29,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:47:29,530 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 01:47:29,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:29,592 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2021-11-07 01:47:29,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:47:29,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-07 01:47:29,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:29,594 INFO L225 Difference]: With dead ends: 26 [2021-11-07 01:47:29,599 INFO L226 Difference]: Without dead ends: 26 [2021-11-07 01:47:29,600 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 01:47:29,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-07 01:47:29,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-11-07 01:47:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.75) 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 01:47:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions. [2021-11-07 01:47:29,608 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 3 [2021-11-07 01:47:29,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:29,609 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions. [2021-11-07 01:47:29,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 01:47:29,609 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2021-11-07 01:47:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 01:47:29,610 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:29,610 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 01:47:29,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 01:47:29,611 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:29,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:29,612 INFO L85 PathProgramCache]: Analyzing trace with hash 110838, now seen corresponding path program 1 times [2021-11-07 01:47:29,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:29,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104846087] [2021-11-07 01:47:29,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:29,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:29,689 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 01:47:29,689 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:29,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104846087] [2021-11-07 01:47:29,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104846087] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:29,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:29,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-07 01:47:29,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740824098] [2021-11-07 01:47:29,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:47:29,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:29,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:47:29,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:47:29,693 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 01:47:29,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:29,733 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2021-11-07 01:47:29,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:47:29,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-11-07 01:47:29,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:29,735 INFO L225 Difference]: With dead ends: 27 [2021-11-07 01:47:29,735 INFO L226 Difference]: Without dead ends: 27 [2021-11-07 01:47:29,736 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 01:47:29,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-07 01:47:29,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-07 01:47:29,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 26 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:29,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2021-11-07 01:47:29,741 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 3 [2021-11-07 01:47:29,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:29,741 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2021-11-07 01:47:29,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 01:47:29,742 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2021-11-07 01:47:29,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-07 01:47:29,743 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:29,743 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-07 01:47:29,743 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 01:47:29,744 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:29,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:29,745 INFO L85 PathProgramCache]: Analyzing trace with hash 106585312, now seen corresponding path program 1 times [2021-11-07 01:47:29,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:29,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913396412] [2021-11-07 01:47:29,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:29,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:29,799 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 01:47:29,799 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:29,799 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913396412] [2021-11-07 01:47:29,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913396412] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:29,800 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1905589935] [2021-11-07 01:47:29,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:29,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:29,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:29,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:29,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 01:47:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:29,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:47:29,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:29,970 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 01:47:29,971 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:30,030 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 01:47:30,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1905589935] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:30,033 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1659648734] [2021-11-07 01:47:30,061 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2021-11-07 01:47:30,061 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:30,068 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:30,076 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:30,077 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:30,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,171 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:30,175 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:30,185 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:47:30,211 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_31|], 10=[|v_#valid_43|]} [2021-11-07 01:47:30,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:30,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:30,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:30,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:30,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:30,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:30,258 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 01:47:30,259 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,261 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:30,263 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:30,266 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:30,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,356 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:30,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:30,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:30,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:30,387 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 01:47:30,394 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:30,398 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:30,400 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:30,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:47:30,434 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:30,434 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:137, output treesize:126 [2021-11-07 01:47:30,462 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-07 01:47:30,475 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,476 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,477 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:30,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:47:30,480 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,484 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:30,485 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:30,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,486 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:30,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:47:30,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:30,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:30,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:47:30,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:30,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:30,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:30,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,567 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:47:30,568 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:30,568 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:173, output treesize:175 [2021-11-07 01:47:30,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:30,839 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.6 percent of original size [2021-11-07 01:47:30,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:47:30,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:30,915 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-07 01:47:30,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,923 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-11-07 01:47:30,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 330 [2021-11-07 01:47:30,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,954 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:30,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:47:30,956 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,959 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:30,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:30,961 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:30,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,967 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,968 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:30,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:30,971 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,972 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,973 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,974 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:47:30,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:47:30,976 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:30,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:30,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:47:30,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:47:30,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:31,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-11-07 01:47:31,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:47:31,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:31,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:31,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:31,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-07 01:47:31,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:31,072 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:31,075 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:31,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:31,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:31,100 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:47:31,102 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:31,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:31,107 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:31,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,179 INFO L180 QuantifierPusher]: treesize reduction 106, result has 78.5 percent of original size [2021-11-07 01:47:31,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 01:47:31,190 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:31,190 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:499, output treesize:397 [2021-11-07 01:47:31,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,278 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,281 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,319 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:47:31,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:31,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,336 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:31,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:31,338 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:31,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:31,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:31,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:31,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:31,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:31,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:31,372 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:31,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,382 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:31,382 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:31,383 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:47:31,393 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:47:31,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:31,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,402 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:31,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:31,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:31,408 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:31,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:31,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:31,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:31,429 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:31,432 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:31,439 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:31,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:31,448 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:31,449 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:47:31,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:31,596 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,616 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:31,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:31,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:31,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:31,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:47:31,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:31,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:47:31,664 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:47:31,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:31,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:31,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-07 01:47:31,691 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:47:31,709 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:32,238 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1659648734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:32,238 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:32,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3, 3] total 9 [2021-11-07 01:47:32,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096794557] [2021-11-07 01:47:32,239 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:47:32,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:32,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:47:32,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:47:32,241 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 01:47:32,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:32,813 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2021-11-07 01:47:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:47:32,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2021-11-07 01:47:32,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:32,816 INFO L225 Difference]: With dead ends: 44 [2021-11-07 01:47:32,816 INFO L226 Difference]: Without dead ends: 44 [2021-11-07 01:47:32,817 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-11-07 01:47:32,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-07 01:47:32,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 30. [2021-11-07 01:47:32,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.65) internal successors, (33), 29 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2021-11-07 01:47:32,823 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 5 [2021-11-07 01:47:32,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:32,823 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2021-11-07 01:47:32,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 01:47:32,824 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-11-07 01:47:32,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-07 01:47:32,826 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:32,826 INFO L513 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2021-11-07 01:47:32,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:33,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:33,028 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:33,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:33,028 INFO L85 PathProgramCache]: Analyzing trace with hash 106582911, now seen corresponding path program 1 times [2021-11-07 01:47:33,028 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:33,028 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832762581] [2021-11-07 01:47:33,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:33,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:33,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:33,102 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:33,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832762581] [2021-11-07 01:47:33,102 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832762581] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:33,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176011985] [2021-11-07 01:47:33,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:33,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:33,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:33,118 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:33,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 01:47:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:33,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:47:33,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:33,239 INFO L354 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2021-11-07 01:47:33,239 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 38 [2021-11-07 01:47:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:33,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:33,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176011985] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:33,433 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1044617865] [2021-11-07 01:47:33,436 INFO L159 IcfgInterpreter]: Started Sifa with 4 locations of interest [2021-11-07 01:47:33,437 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:33,437 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:33,437 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:33,438 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:33,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,445 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,447 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:33,448 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:33,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:47:33,457 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_33|], 10=[|v_#valid_44|]} [2021-11-07 01:47:33,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,477 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 01:47:33,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:33,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:33,481 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:33,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:33,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 01:47:33,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:33,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:33,519 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:33,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:33,527 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,532 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:47:33,533 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:33,533 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:137, output treesize:126 [2021-11-07 01:47:33,542 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-07 01:47:33,550 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,551 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,553 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,555 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:33,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:33,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,557 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:33,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:47:33,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:33,566 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:47:33,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:47:33,586 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:33,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:33,591 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:33,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:33,600 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,603 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:47:33,607 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:33,608 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:173, output treesize:175 [2021-11-07 01:47:33,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:33,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:33,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:33,690 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.6 percent of original size [2021-11-07 01:47:33,699 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,710 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,716 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,719 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:47:33,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:33,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-07 01:47:33,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-11-07 01:47:33,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 330 [2021-11-07 01:47:33,746 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:33,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:33,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,760 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,761 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,761 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:47:33,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:47:33,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,764 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,764 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:47:33,767 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,768 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,769 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,773 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:33,774 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:33,775 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,776 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,777 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:33,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:47:33,779 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:33,786 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:47:33,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:33,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-11-07 01:47:33,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:47:33,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,852 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-07 01:47:33,853 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:33,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,858 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:33,858 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:33,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:33,879 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:47:33,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:33,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:33,883 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:33,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:33,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:33,937 INFO L180 QuantifierPusher]: treesize reduction 106, result has 78.5 percent of original size [2021-11-07 01:47:33,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 01:47:33,953 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:33,954 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:499, output treesize:397 [2021-11-07 01:47:33,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:33,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:34,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:34,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:34,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:34,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:34,029 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:47:34,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:34,033 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:34,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:34,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:34,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:34,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:34,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:34,047 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:34,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,048 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:34,049 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:34,049 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:34,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:34,053 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:34,057 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:34,058 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:47:34,065 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:47:34,069 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:34,070 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,070 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:34,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:34,072 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:34,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:34,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,075 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:34,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:34,085 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:34,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:34,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:34,087 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:34,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:34,091 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,092 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:34,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:34,095 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:34,095 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:47:34,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:34,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:34,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:34,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:34,140 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:34,715 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:34,716 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:34,716 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2021-11-07 01:47:34,716 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70664270] [2021-11-07 01:47:34,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:47:34,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:34,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:47:34,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-07 01:47:34,718 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:34,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:34,819 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions. [2021-11-07 01:47:34,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 01:47:34,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-07 01:47:34,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:34,820 INFO L225 Difference]: With dead ends: 35 [2021-11-07 01:47:34,820 INFO L226 Difference]: Without dead ends: 35 [2021-11-07 01:47:34,821 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-07 01:47:34,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-07 01:47:34,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2021-11-07 01:47:34,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 32 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:34,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2021-11-07 01:47:34,825 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 5 [2021-11-07 01:47:34,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:34,825 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2021-11-07 01:47:34,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:34,826 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2021-11-07 01:47:34,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 01:47:34,826 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:34,827 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:34,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:35,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-11-07 01:47:35,038 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:35,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:35,038 INFO L85 PathProgramCache]: Analyzing trace with hash -652077635, now seen corresponding path program 1 times [2021-11-07 01:47:35,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:35,039 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659039429] [2021-11-07 01:47:35,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:35,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:35,091 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-07 01:47:35,091 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:35,091 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659039429] [2021-11-07 01:47:35,092 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659039429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:35,092 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:35,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-11-07 01:47:35,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656283911] [2021-11-07 01:47:35,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 01:47:35,093 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:35,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 01:47:35,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 01:47:35,095 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:35,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:35,117 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2021-11-07 01:47:35,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 01:47:35,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 01:47:35,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:35,121 INFO L225 Difference]: With dead ends: 31 [2021-11-07 01:47:35,121 INFO L226 Difference]: Without dead ends: 31 [2021-11-07 01:47:35,121 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 01:47:35,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2021-11-07 01:47:35,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-11-07 01:47:35,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 30 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 01:47:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2021-11-07 01:47:35,127 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 10 [2021-11-07 01:47:35,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:35,127 INFO L470 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2021-11-07 01:47:35,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2021-11-07 01:47:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 01:47:35,128 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:35,128 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:35,128 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-07 01:47:35,129 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:35,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:35,129 INFO L85 PathProgramCache]: Analyzing trace with hash -652077634, now seen corresponding path program 1 times [2021-11-07 01:47:35,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:35,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678241812] [2021-11-07 01:47:35,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:35,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:35,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:35,176 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:35,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678241812] [2021-11-07 01:47:35,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678241812] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:35,176 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239038805] [2021-11-07 01:47:35,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:35,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:35,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:35,178 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:35,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-07 01:47:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:35,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:47:35,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:35,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:35,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239038805] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:35,327 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1807766009] [2021-11-07 01:47:35,330 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:47:35,330 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:35,331 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:35,331 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:35,331 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:35,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:35,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:35,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:47:35,353 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_34|], 10=[|v_#valid_45|]} [2021-11-07 01:47:35,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,373 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 01:47:35,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:35,375 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:35,375 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,382 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 01:47:35,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:35,408 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:35,418 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,425 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:47:35,429 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,429 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:137, output treesize:126 [2021-11-07 01:47:35,438 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-07 01:47:35,443 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,444 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,445 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:35,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:47:35,446 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,447 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,449 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,450 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:35,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:35,451 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:35,455 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:47:35,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:47:35,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:35,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:35,475 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,488 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:47:35,489 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,489 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:173, output treesize:175 [2021-11-07 01:47:35,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,565 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.6 percent of original size [2021-11-07 01:47:35,573 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,581 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,585 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,588 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,588 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,589 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:47:35,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:35,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-07 01:47:35,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-11-07 01:47:35,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 330 [2021-11-07 01:47:35,623 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,632 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:35,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:47:35,633 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:35,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:35,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:35,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,647 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:35,649 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:35,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,650 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,651 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:47:35,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:47:35,654 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,655 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:47:35,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:47:35,660 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,674 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-11-07 01:47:35,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:47:35,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:47:35,711 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:35,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:35,715 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:35,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-07 01:47:35,741 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:35,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:35,745 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,790 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,804 INFO L180 QuantifierPusher]: treesize reduction 106, result has 78.5 percent of original size [2021-11-07 01:47:35,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 01:47:35,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:35,812 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:499, output treesize:397 [2021-11-07 01:47:35,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,899 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:47:35,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,908 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:35,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:35,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:35,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:35,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:35,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:35,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:35,922 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,926 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:35,930 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,931 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:47:35,938 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:47:35,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:35,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:35,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:35,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:35,950 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:35,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:35,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,962 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:35,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,968 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:35,968 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,972 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:35,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:35,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:35,977 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:47:35,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:35,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:36,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,100 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:36,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:47:36,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:47:36,110 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:47:36,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-07 01:47:36,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:47:36,140 INFO L180 QuantifierPusher]: treesize reduction 179, result has 40.5 percent of original size [2021-11-07 01:47:36,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:36,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:36,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:36,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:47:36,153 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:36,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:36,865 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:36,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-11-07 01:47:36,865 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767080633] [2021-11-07 01:47:36,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-07 01:47:36,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:36,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-07 01:47:36,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:47:36,867 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:37,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:37,012 INFO L93 Difference]: Finished difference Result 141 states and 149 transitions. [2021-11-07 01:47:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-07 01:47:37,014 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 01:47:37,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:37,016 INFO L225 Difference]: With dead ends: 141 [2021-11-07 01:47:37,016 INFO L226 Difference]: Without dead ends: 141 [2021-11-07 01:47:37,017 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=92, Invalid=148, Unknown=0, NotChecked=0, Total=240 [2021-11-07 01:47:37,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-11-07 01:47:37,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 34. [2021-11-07 01:47:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 33 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:37,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2021-11-07 01:47:37,031 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 10 [2021-11-07 01:47:37,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:37,031 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2021-11-07 01:47:37,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2021-11-07 01:47:37,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-07 01:47:37,032 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:37,033 INFO L513 BasicCegarLoop]: trace histogram [5, 4, 1, 1] [2021-11-07 01:47:37,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-11-07 01:47:37,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-11-07 01:47:37,234 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:37,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:37,234 INFO L85 PathProgramCache]: Analyzing trace with hash -891058790, now seen corresponding path program 2 times [2021-11-07 01:47:37,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:37,234 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210337775] [2021-11-07 01:47:37,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:37,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:37,422 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:37,422 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:37,422 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210337775] [2021-11-07 01:47:37,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210337775] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:37,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662414878] [2021-11-07 01:47:37,423 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:47:37,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:37,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:37,424 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:37,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-07 01:47:37,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:47:37,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:47:37,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:47:37,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:37,547 INFO L354 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2021-11-07 01:47:37,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 38 [2021-11-07 01:47:37,744 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:47:37,744 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:37,956 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:47:37,956 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662414878] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:37,956 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-11-07 01:47:37,957 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 3] total 11 [2021-11-07 01:47:37,957 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624553432] [2021-11-07 01:47:37,957 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 01:47:37,957 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:37,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 01:47:37,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:47:37,961 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 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 01:47:38,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:38,000 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2021-11-07 01:47:38,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:47:38,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 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 11 [2021-11-07 01:47:38,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:38,002 INFO L225 Difference]: With dead ends: 33 [2021-11-07 01:47:38,002 INFO L226 Difference]: Without dead ends: 33 [2021-11-07 01:47:38,002 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=95, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:47:38,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-11-07 01:47:38,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-11-07 01:47:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 32 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 01:47:38,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2021-11-07 01:47:38,013 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 11 [2021-11-07 01:47:38,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:38,013 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2021-11-07 01:47:38,014 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 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 01:47:38,014 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2021-11-07 01:47:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-07 01:47:38,015 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:38,015 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:38,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:38,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable72 [2021-11-07 01:47:38,232 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:38,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:38,233 INFO L85 PathProgramCache]: Analyzing trace with hash 1149927578, now seen corresponding path program 2 times [2021-11-07 01:47:38,233 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:38,233 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642366500] [2021-11-07 01:47:38,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:38,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:38,311 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:38,311 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:38,311 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642366500] [2021-11-07 01:47:38,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642366500] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:38,312 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100840705] [2021-11-07 01:47:38,312 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:47:38,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:38,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:38,314 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:38,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-07 01:47:38,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-07 01:47:38,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:47:38,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:47:38,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:38,456 INFO L354 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2021-11-07 01:47:38,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 38 [2021-11-07 01:47:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-07 01:47:38,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-07 01:47:38,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100840705] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:38,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 01:47:38,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [8] total 12 [2021-11-07 01:47:38,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453198709] [2021-11-07 01:47:38,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:47:38,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:38,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:47:38,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-11-07 01:47:38,799 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 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 01:47:38,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:38,876 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2021-11-07 01:47:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-07 01:47:38,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 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) Word has length 18 [2021-11-07 01:47:38,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:38,878 INFO L225 Difference]: With dead ends: 61 [2021-11-07 01:47:38,878 INFO L226 Difference]: Without dead ends: 61 [2021-11-07 01:47:38,879 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2021-11-07 01:47:38,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2021-11-07 01:47:38,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 40. [2021-11-07 01:47:38,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 39 states have internal predecessors, (45), 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 01:47:38,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2021-11-07 01:47:38,898 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 18 [2021-11-07 01:47:38,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:38,899 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-11-07 01:47:38,899 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 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 01:47:38,899 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2021-11-07 01:47:38,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-07 01:47:38,900 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:38,901 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:38,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:39,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:39,126 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:39,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:39,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1288017910, now seen corresponding path program 1 times [2021-11-07 01:47:39,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:39,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402405142] [2021-11-07 01:47:39,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:39,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:39,216 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:47:39,217 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:39,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402405142] [2021-11-07 01:47:39,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402405142] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:39,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [964578438] [2021-11-07 01:47:39,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:39,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:39,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:39,222 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:39,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 01:47:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:39,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:47:39,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:39,435 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:47:39,436 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:39,599 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:47:39,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [964578438] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:39,600 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1043863721] [2021-11-07 01:47:39,603 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:47:39,603 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:39,603 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:39,604 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:39,604 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:39,616 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,617 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,618 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:39,619 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:39,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:47:39,626 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_37|], 10=[|v_#valid_46|]} [2021-11-07 01:47:39,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,645 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 01:47:39,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:39,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,648 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:39,649 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:39,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:39,660 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 01:47:39,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:39,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:39,682 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:39,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:39,688 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,690 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:47:39,693 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:39,693 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:137, output treesize:126 [2021-11-07 01:47:39,702 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-07 01:47:39,708 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,713 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:39,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:39,715 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,717 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:47:39,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:39,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,724 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:39,728 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 159 [2021-11-07 01:47:39,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,744 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:47:39,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:39,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,748 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:39,748 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:39,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:39,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,759 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:47:39,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:47:39,763 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:39,763 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:160, output treesize:154 [2021-11-07 01:47:39,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:39,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:39,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:39,838 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-11-07 01:47:39,845 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,849 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,859 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,860 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:39,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:39,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-07 01:47:39,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2021-11-07 01:47:39,879 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-11-07 01:47:39,880 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:39,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:39,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,893 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,895 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,896 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,897 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:39,898 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:47:39,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,900 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,901 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:39,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:39,902 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:39,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,907 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:39,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:39,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:39,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:47:39,913 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,913 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:47:39,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:47:39,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:39,922 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 310 [2021-11-07 01:47:39,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:47:39,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,961 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-07 01:47:39,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:47:39,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:47:39,965 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:39,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:39,983 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:47:39,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:39,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:39,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:39,986 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:39,987 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,032 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,050 INFO L180 QuantifierPusher]: treesize reduction 88, result has 81.3 percent of original size [2021-11-07 01:47:40,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-07 01:47:40,059 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:40,059 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:478, output treesize:394 [2021-11-07 01:47:40,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,118 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:47:40,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:40,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:40,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:40,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:40,132 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:40,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:40,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:40,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:40,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:40,141 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:40,141 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:47:40,147 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:47:40,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,152 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:40,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:40,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:40,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:40,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:40,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:40,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,164 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:40,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:40,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:40,170 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:40,170 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:47:40,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,263 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,301 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,310 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:47:40,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:47:40,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:47:40,318 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,325 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-07 01:47:40,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:47:40,345 INFO L180 QuantifierPusher]: treesize reduction 179, result has 40.5 percent of original size [2021-11-07 01:47:40,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:47:40,357 INFO L180 QuantifierPusher]: treesize reduction 22, result has 88.7 percent of original size [2021-11-07 01:47:40,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,369 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,369 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:47:40,370 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:47:40,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,373 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:47:40,375 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:47:40,379 INFO L185 QuantifierPusher]: treesize reduction 6, result has 95.6 percent of original size 131 [2021-11-07 01:47:40,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:40,405 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 01:47:40,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 39 [2021-11-07 01:47:40,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,409 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,410 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:40,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,417 INFO L180 QuantifierPusher]: treesize reduction 6, result has 95.5 percent of original size [2021-11-07 01:47:40,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,421 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:47:40,422 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 01:47:40,423 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:135, output treesize:125 [2021-11-07 01:47:40,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,457 INFO L180 QuantifierPusher]: treesize reduction 184, result has 60.3 percent of original size [2021-11-07 01:47:40,462 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-07 01:47:40,475 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,487 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,489 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,498 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,512 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 279 [2021-11-07 01:47:40,521 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,524 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,528 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,529 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:47:40,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:47:40,530 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,531 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,533 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:47:40,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:40,538 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,540 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:47:40,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,545 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:40,546 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:47:40,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,548 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:47:40,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-11-07 01:47:40,551 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-07 01:47:40,565 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 01:47:40,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:40,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:40,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:40,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:40,590 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:40,604 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-07 01:47:40,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 70 [2021-11-07 01:47:40,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:47:40,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:47:40,609 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:40,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:40,619 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:40,630 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 01:47:40,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 49 [2021-11-07 01:47:40,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:47:40,634 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:47:40,635 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:40,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:40,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:47:40,659 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-11-07 01:47:40,659 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:362, output treesize:354 [2021-11-07 01:47:40,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:40,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,679 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:40,680 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:47:40,698 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 01:47:40,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-07 01:47:40,700 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,700 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:40,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:40,702 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:40,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,703 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:47:40,705 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:40,705 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 01:47:40,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:40,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,712 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:40,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:40,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:47:40,733 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 01:47:40,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-07 01:47:40,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:40,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,735 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:40,736 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:40,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,738 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:40,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:47:40,739 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:40,739 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 01:47:40,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:40,752 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:41,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:41,355 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:41,355 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2021-11-07 01:47:41,356 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289467876] [2021-11-07 01:47:41,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-07 01:47:41,356 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:41,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-07 01:47:41,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:47:41,357 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand has 17 states, 17 states have (on average 2.1176470588235294) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:41,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:41,627 INFO L93 Difference]: Finished difference Result 297 states and 313 transitions. [2021-11-07 01:47:41,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-07 01:47:41,627 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.1176470588235294) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-11-07 01:47:41,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:41,629 INFO L225 Difference]: With dead ends: 297 [2021-11-07 01:47:41,629 INFO L226 Difference]: Without dead ends: 297 [2021-11-07 01:47:41,630 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2021-11-07 01:47:41,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-11-07 01:47:41,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 56. [2021-11-07 01:47:41,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 50 states have (on average 1.22) internal successors, (61), 55 states have internal predecessors, (61), 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 01:47:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 61 transitions. [2021-11-07 01:47:41,636 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 61 transitions. Word has length 19 [2021-11-07 01:47:41,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:41,636 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 61 transitions. [2021-11-07 01:47:41,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.1176470588235294) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:41,636 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 61 transitions. [2021-11-07 01:47:41,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-07 01:47:41,637 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:41,637 INFO L513 BasicCegarLoop]: trace histogram [14, 14, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:41,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:41,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:41,866 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:41,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:41,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1259811522, now seen corresponding path program 2 times [2021-11-07 01:47:41,867 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:41,867 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382776150] [2021-11-07 01:47:41,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:41,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 01:47:42,081 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:42,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382776150] [2021-11-07 01:47:42,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382776150] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:42,082 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141417390] [2021-11-07 01:47:42,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:47:42,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:42,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:42,086 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:42,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-07 01:47:42,204 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 01:47:42,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:47:42,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-07 01:47:42,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-07 01:47:42,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:42,587 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 23 [2021-11-07 01:47:42,710 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2021-11-07 01:47:42,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141417390] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:42,711 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [811314743] [2021-11-07 01:47:42,721 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:47:42,721 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:42,721 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:42,722 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:42,722 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:42,736 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:42,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:42,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:47:42,745 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_38|], 10=[|v_#valid_47|]} [2021-11-07 01:47:42,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:42,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:42,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:42,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:42,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:42,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:42,766 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 01:47:42,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,767 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:42,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:42,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:42,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:42,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:42,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:42,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:42,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:42,789 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 01:47:42,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:42,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:42,793 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:42,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:42,798 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:47:42,802 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:42,802 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:137, output treesize:126 [2021-11-07 01:47:42,809 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-07 01:47:42,813 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:42,816 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:42,816 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:42,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:47:42,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,819 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:42,822 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:47:42,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:42,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:42,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:47:42,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,836 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:42,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:42,837 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:42,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:42,844 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,846 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:47:42,852 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:42,853 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:173, output treesize:175 [2021-11-07 01:47:42,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:42,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:42,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:42,921 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.6 percent of original size [2021-11-07 01:47:42,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:47:42,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:42,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-07 01:47:42,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-11-07 01:47:42,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 330 [2021-11-07 01:47:42,972 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,986 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:42,988 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:42,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,990 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,990 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:42,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:47:42,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:42,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:42,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:42,997 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:42,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:42,999 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:47:43,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:47:43,000 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:47:43,005 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:47:43,005 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-11-07 01:47:43,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:47:43,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:43,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:47:43,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:43,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:43,041 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:43,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:43,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:43,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-07 01:47:43,061 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:43,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:47:43,064 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,097 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,112 INFO L180 QuantifierPusher]: treesize reduction 106, result has 78.5 percent of original size [2021-11-07 01:47:43,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 01:47:43,119 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:43,120 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:499, output treesize:397 [2021-11-07 01:47:43,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,175 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:47:43,177 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,178 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,178 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:43,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:43,180 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:43,181 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:43,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:43,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:43,189 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:43,190 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,193 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:43,195 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,196 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:47:43,201 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:47:43,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,205 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:43,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:43,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:43,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:43,214 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:43,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:43,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:43,216 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,219 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:43,222 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,222 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:47:43,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,326 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,335 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,341 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,343 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:47:43,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:47:43,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:47:43,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-07 01:47:43,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:47:43,381 INFO L180 QuantifierPusher]: treesize reduction 179, result has 40.5 percent of original size [2021-11-07 01:47:43,383 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,384 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:47:43,390 INFO L180 QuantifierPusher]: treesize reduction 22, result has 88.7 percent of original size [2021-11-07 01:47:43,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,397 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:47:43,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:47:43,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:47:43,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,404 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:47:43,405 INFO L185 QuantifierPusher]: treesize reduction 6, result has 95.6 percent of original size 131 [2021-11-07 01:47:43,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:43,424 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 01:47:43,424 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 39 [2021-11-07 01:47:43,425 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,427 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,431 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,433 INFO L180 QuantifierPusher]: treesize reduction 6, result has 95.5 percent of original size [2021-11-07 01:47:43,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:47:43,445 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 01:47:43,445 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:135, output treesize:125 [2021-11-07 01:47:43,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,467 INFO L180 QuantifierPusher]: treesize reduction 184, result has 60.3 percent of original size [2021-11-07 01:47:43,471 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,472 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,472 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,475 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-07 01:47:43,480 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,488 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,489 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,490 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,490 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,505 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 279 [2021-11-07 01:47:43,508 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,515 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,517 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,518 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:47:43,519 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,524 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,525 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:43,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:47:43,526 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,527 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,528 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:47:43,532 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,534 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:47:43,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:47:43,536 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,536 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,537 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,539 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:47:43,540 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,541 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:43,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-11-07 01:47:43,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,549 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,552 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,553 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,556 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-07 01:47:43,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 01:47:43,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:43,575 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:43,587 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 01:47:43,588 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 49 [2021-11-07 01:47:43,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:47:43,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:47:43,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:43,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:43,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:43,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:43,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:43,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:47:43,616 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-07 01:47:43,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 70 [2021-11-07 01:47:43,617 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,619 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:47:43,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:47:43,620 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,635 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:43,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:47:43,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-11-07 01:47:43,639 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:362, output treesize:354 [2021-11-07 01:47:43,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,652 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,652 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:43,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,656 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,657 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:43,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:47:43,673 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 01:47:43,674 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-07 01:47:43,674 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,675 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:43,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:43,676 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,677 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,678 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:47:43,678 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,679 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 01:47:43,680 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:47:43,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,685 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:43,685 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:43,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:47:43,702 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 01:47:43,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-07 01:47:43,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:43,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,704 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:43,704 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,706 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:43,707 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:47:43,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:43,707 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 01:47:43,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:43,717 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:44,312 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:44,312 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:44,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 4, 4] total 24 [2021-11-07 01:47:44,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954305514] [2021-11-07 01:47:44,313 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-07 01:47:44,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:44,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-07 01:47:44,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=640, Unknown=0, NotChecked=0, Total=870 [2021-11-07 01:47:44,315 INFO L87 Difference]: Start difference. First operand 56 states and 61 transitions. Second operand has 25 states, 25 states have (on average 2.2) internal successors, (55), 24 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:45,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:45,495 INFO L93 Difference]: Finished difference Result 315 states and 332 transitions. [2021-11-07 01:47:45,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-11-07 01:47:45,495 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.2) internal successors, (55), 24 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2021-11-07 01:47:45,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:45,498 INFO L225 Difference]: With dead ends: 315 [2021-11-07 01:47:45,498 INFO L226 Difference]: Without dead ends: 315 [2021-11-07 01:47:45,500 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 606 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=836, Invalid=2134, Unknown=0, NotChecked=0, Total=2970 [2021-11-07 01:47:45,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-11-07 01:47:45,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 63. [2021-11-07 01:47:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 57 states have (on average 1.2105263157894737) internal successors, (69), 62 states have internal predecessors, (69), 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 01:47:45,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2021-11-07 01:47:45,505 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 35 [2021-11-07 01:47:45,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:45,506 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2021-11-07 01:47:45,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.2) internal successors, (55), 24 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2021-11-07 01:47:45,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:47:45,507 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:45,508 INFO L513 BasicCegarLoop]: trace histogram [15, 15, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:45,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:45,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:45,718 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:45,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:45,718 INFO L85 PathProgramCache]: Analyzing trace with hash 950813964, now seen corresponding path program 1 times [2021-11-07 01:47:45,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:45,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764125769] [2021-11-07 01:47:45,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:45,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-07 01:47:45,796 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:45,796 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764125769] [2021-11-07 01:47:45,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764125769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:45,797 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:47:45,797 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 01:47:45,797 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954283407] [2021-11-07 01:47:45,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:47:45,798 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:45,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:47:45,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:47:45,798 INFO L87 Difference]: Start difference. First operand 63 states and 69 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 01:47:45,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:45,816 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2021-11-07 01:47:45,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:47:45,817 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 37 [2021-11-07 01:47:45,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:45,819 INFO L225 Difference]: With dead ends: 67 [2021-11-07 01:47:45,819 INFO L226 Difference]: Without dead ends: 67 [2021-11-07 01:47:45,820 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:47:45,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2021-11-07 01:47:45,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2021-11-07 01:47:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 64 states have internal predecessors, (71), 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 01:47:45,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2021-11-07 01:47:45,827 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 37 [2021-11-07 01:47:45,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:45,828 INFO L470 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2021-11-07 01:47:45,828 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 01:47:45,828 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2021-11-07 01:47:45,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-07 01:47:45,833 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:45,833 INFO L513 BasicCegarLoop]: trace histogram [15, 15, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:45,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2021-11-07 01:47:45,834 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:45,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:45,834 INFO L85 PathProgramCache]: Analyzing trace with hash 950815164, now seen corresponding path program 1 times [2021-11-07 01:47:45,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:45,834 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278897370] [2021-11-07 01:47:45,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:45,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:45,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:46,019 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:46,019 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:46,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278897370] [2021-11-07 01:47:46,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278897370] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:46,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555173845] [2021-11-07 01:47:46,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:46,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:46,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:46,021 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:46,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-11-07 01:47:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:46,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-07 01:47:46,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:46,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:46,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555173845] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:47:46,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [744691053] [2021-11-07 01:47:46,712 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2021-11-07 01:47:46,712 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:47:46,712 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:47:46,712 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:47:46,712 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:47:46,718 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,719 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,720 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:46,720 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,721 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,721 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:47:46,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:47:46,728 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_39|], 10=[|v_#valid_49|]} [2021-11-07 01:47:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,744 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 01:47:46,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,745 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:46,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:46,746 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:46,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:46,750 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,766 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 01:47:46,767 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,768 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:46,769 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:46,769 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:46,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:46,773 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,776 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:47:46,777 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:46,777 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:137, output treesize:126 [2021-11-07 01:47:46,783 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-07 01:47:46,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,786 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,787 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:47:46,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:47:46,788 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,789 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,790 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:47:46,791 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:46,791 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:47:46,794 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 159 [2021-11-07 01:47:46,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,807 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:47:46,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:46,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:47:46,809 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:46,810 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:46,814 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,817 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:47:46,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:47:46,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:46,821 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:160, output treesize:154 [2021-11-07 01:47:46,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:46,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:46,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:46,894 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-11-07 01:47:46,900 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,900 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:46,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:46,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,914 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:46,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:46,921 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-07 01:47:46,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,927 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2021-11-07 01:47:46,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-11-07 01:47:46,935 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,941 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,942 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,943 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:46,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:46,944 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,945 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,945 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:47:46,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:47:46,947 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,948 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:47:46,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,950 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:46,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:47:46,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,953 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:47:46,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:47:46,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:46,960 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:47:46,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:46,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 310 [2021-11-07 01:47:46,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:47:46,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:46,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-07 01:47:46,996 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:47:46,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:46,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:47:46,998 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:47:47,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:47:47,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:47,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:47:47,016 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,040 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,052 INFO L180 QuantifierPusher]: treesize reduction 88, result has 81.3 percent of original size [2021-11-07 01:47:47,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-07 01:47:47,059 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:47:47,059 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:478, output treesize:394 [2021-11-07 01:47:47,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,110 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:47:47,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,113 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:47,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:47,115 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,116 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:47,117 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:47,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:47,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:47,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:47,125 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,127 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:47,130 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,130 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:47:47,135 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:47:47,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:47,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:47:47,139 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:47:47,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:47,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:47:47,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:47,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:47:47,149 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:47:47,153 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,154 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:47:47,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,249 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,250 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:47,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:47:47,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,254 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,255 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:47:47,257 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:47:47,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-07 01:47:47,266 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:47:47,282 INFO L180 QuantifierPusher]: treesize reduction 179, result has 40.3 percent of original size [2021-11-07 01:47:47,284 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,284 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,285 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:47:47,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-11-07 01:47:47,292 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,299 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-07 01:47:47,301 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-11-07 01:47:47,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,305 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:47,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:47,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,308 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:47,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:47,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,311 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,313 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,313 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:47:47,314 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:47:47,314 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,315 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:47:47,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-07 01:47:47,317 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-11-07 01:47:47,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-07 01:47:47,334 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-11-07 01:47:47,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 15 treesize of output 14 [2021-11-07 01:47:47,335 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:47:47,336 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,337 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-07 01:47:47,337 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:47:47,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:47:47,340 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,341 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,343 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-11-07 01:47:47,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-07 01:47:47,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:47:47,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,348 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-07 01:47:47,350 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:47:47,350 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:47:47,351 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:47:47,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:47:47,352 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 117 [2021-11-07 01:47:47,353 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-11-07 01:47:47,353 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:117, output treesize:113 [2021-11-07 01:47:47,355 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:47:47,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:47:47,972 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:47:47,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2021-11-07 01:47:47,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767093909] [2021-11-07 01:47:47,972 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2021-11-07 01:47:47,972 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:47,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-11-07 01:47:47,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=814, Invalid=992, Unknown=0, NotChecked=0, Total=1806 [2021-11-07 01:47:47,974 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand has 35 states, 35 states have (on average 2.057142857142857) internal successors, (72), 34 states have internal predecessors, (72), 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 01:47:48,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:48,613 INFO L93 Difference]: Finished difference Result 646 states and 679 transitions. [2021-11-07 01:47:48,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-07 01:47:48,616 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.057142857142857) internal successors, (72), 34 states have internal predecessors, (72), 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 37 [2021-11-07 01:47:48,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:48,619 INFO L225 Difference]: With dead ends: 646 [2021-11-07 01:47:48,619 INFO L226 Difference]: Without dead ends: 646 [2021-11-07 01:47:48,620 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=814, Invalid=992, Unknown=0, NotChecked=0, Total=1806 [2021-11-07 01:47:48,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2021-11-07 01:47:48,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 99. [2021-11-07 01:47:48,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 93 states have (on average 1.1290322580645162) internal successors, (105), 98 states have internal predecessors, (105), 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 01:47:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 105 transitions. [2021-11-07 01:47:48,628 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 105 transitions. Word has length 37 [2021-11-07 01:47:48,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:48,628 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 105 transitions. [2021-11-07 01:47:48,628 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.057142857142857) internal successors, (72), 34 states have internal predecessors, (72), 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 01:47:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 105 transitions. [2021-11-07 01:47:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-07 01:47:48,630 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:48,630 INFO L513 BasicCegarLoop]: trace histogram [32, 32, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:48,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:48,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:48,858 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:48,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:48,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1552483179, now seen corresponding path program 2 times [2021-11-07 01:47:48,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:48,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419584655] [2021-11-07 01:47:48,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:48,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:49,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 1024 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:47:49,602 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:49,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419584655] [2021-11-07 01:47:49,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419584655] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:49,602 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688219933] [2021-11-07 01:47:49,602 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:47:49,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:49,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:49,603 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:49,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-11-07 01:47:49,794 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-07 01:47:49,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:47:49,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:47:49,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:49,849 INFO L354 Elim1Store]: treesize reduction 37, result has 32.7 percent of original size [2021-11-07 01:47:49,850 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 23 [2021-11-07 01:47:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-11-07 01:47:57,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:47:57,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-11-07 01:47:57,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688219933] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:47:57,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-11-07 01:47:57,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [34] total 38 [2021-11-07 01:47:57,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894652851] [2021-11-07 01:47:57,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-07 01:47:57,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:47:57,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-07 01:47:57,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=605, Invalid=877, Unknown=0, NotChecked=0, Total=1482 [2021-11-07 01:47:57,673 INFO L87 Difference]: Start difference. First operand 99 states and 105 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:57,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:47:57,713 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2021-11-07 01:47:57,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:47:57,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2021-11-07 01:47:57,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:47:57,718 INFO L225 Difference]: With dead ends: 98 [2021-11-07 01:47:57,719 INFO L226 Difference]: Without dead ends: 95 [2021-11-07 01:47:57,719 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=605, Invalid=877, Unknown=0, NotChecked=0, Total=1482 [2021-11-07 01:47:57,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-11-07 01:47:57,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2021-11-07 01:47:57,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 90 states have (on average 1.1111111111111112) internal successors, (100), 94 states have internal predecessors, (100), 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 01:47:57,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 100 transitions. [2021-11-07 01:47:57,727 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 100 transitions. Word has length 71 [2021-11-07 01:47:57,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:47:57,727 INFO L470 AbstractCegarLoop]: Abstraction has 95 states and 100 transitions. [2021-11-07 01:47:57,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:47:57,728 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2021-11-07 01:47:57,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-07 01:47:57,736 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:47:57,736 INFO L513 BasicCegarLoop]: trace histogram [32, 32, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:47:57,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2021-11-07 01:47:57,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:57,950 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:47:57,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:47:57,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1909880178, now seen corresponding path program 1 times [2021-11-07 01:47:57,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:47:57,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093281120] [2021-11-07 01:47:57,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:57,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:47:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:58,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1024 trivial. 0 not checked. [2021-11-07 01:47:58,112 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:47:58,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093281120] [2021-11-07 01:47:58,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093281120] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:47:58,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523707911] [2021-11-07 01:47:58,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:47:58,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:47:58,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:47:58,114 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:47:58,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-07 01:47:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:47:58,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-07 01:47:58,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:47:59,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 1024 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:47:59,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 0 proven. 1024 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:48:01,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523707911] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:48:01,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1923466387] [2021-11-07 01:48:01,129 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-07 01:48:01,129 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:48:01,129 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:48:01,129 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:48:01,129 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:48:01,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:48:01,145 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:48:01,147 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:48:01,151 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_40|], 10=[|v_#valid_54|]} [2021-11-07 01:48:01,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,166 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 01:48:01,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,167 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:01,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:01,171 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,175 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,195 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 01:48:01,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:48:01,198 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:48:01,199 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,203 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:48:01,205 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,206 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:137, output treesize:126 [2021-11-07 01:48:01,210 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-07 01:48:01,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,215 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:48:01,216 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:48:01,217 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:01,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:48:01,220 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,220 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:48:01,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:48:01,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,238 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:48:01,239 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,241 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:48:01,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:48:01,242 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,248 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,254 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:48:01,254 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,255 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:173, output treesize:175 [2021-11-07 01:48:01,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,333 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.6 percent of original size [2021-11-07 01:48:01,338 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,359 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:48:01,362 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,364 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:48:01,367 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-07 01:48:01,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-11-07 01:48:01,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 330 [2021-11-07 01:48:01,381 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,385 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,386 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,387 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,387 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:01,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:48:01,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,390 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,390 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,391 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:48:01,392 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:48:01,393 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:48:01,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,396 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:48:01,398 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:48:01,398 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,399 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,400 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:01,401 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:48:01,401 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,402 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,402 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:48:01,406 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:48:01,406 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,413 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-11-07 01:48:01,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:48:01,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:48:01,440 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:48:01,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:48:01,443 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-07 01:48:01,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:48:01,465 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,465 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:48:01,466 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,501 INFO L180 QuantifierPusher]: treesize reduction 106, result has 78.5 percent of original size [2021-11-07 01:48:01,506 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 01:48:01,507 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:48:01,508 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:499, output treesize:397 [2021-11-07 01:48:01,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,552 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:48:01,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,555 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,556 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:48:01,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:48:01,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,558 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,559 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:01,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:48:01,573 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:48:01,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,574 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:48:01,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:48:01,576 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,579 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:48:01,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,581 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:48:01,587 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:48:01,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,589 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,590 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,590 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:48:01,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:48:01,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,592 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,593 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:01,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:48:01,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:48:01,601 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:48:01,602 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:48:01,603 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,608 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:48:01,608 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,609 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:48:01,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,687 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,687 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,694 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,695 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:48:01,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,699 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,701 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:48:01,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-07 01:48:01,704 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,707 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-07 01:48:01,713 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:48:01,730 INFO L180 QuantifierPusher]: treesize reduction 179, result has 40.5 percent of original size [2021-11-07 01:48:01,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:48:01,742 INFO L180 QuantifierPusher]: treesize reduction 22, result has 88.7 percent of original size [2021-11-07 01:48:01,746 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,747 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:48:01,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:48:01,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:48:01,754 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:48:01,758 INFO L185 QuantifierPusher]: treesize reduction 6, result has 95.6 percent of original size 131 [2021-11-07 01:48:01,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,777 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 01:48:01,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 39 [2021-11-07 01:48:01,778 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,780 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,781 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,781 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,785 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,791 INFO L180 QuantifierPusher]: treesize reduction 6, result has 95.5 percent of original size [2021-11-07 01:48:01,792 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:48:01,796 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 01:48:01,797 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:135, output treesize:125 [2021-11-07 01:48:01,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:01,815 INFO L180 QuantifierPusher]: treesize reduction 184, result has 60.3 percent of original size [2021-11-07 01:48:01,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-07 01:48:01,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,861 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,867 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,869 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,870 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,873 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 279 [2021-11-07 01:48:01,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,882 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,883 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:48:01,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:48:01,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:48:01,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:48:01,898 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,899 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,900 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,902 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:48:01,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,905 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:48:01,909 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:48:01,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,910 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,911 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:48:01,914 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-11-07 01:48:01,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,922 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:01,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:01,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-07 01:48:01,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 01:48:01,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,955 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:48:01,967 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 01:48:01,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 49 [2021-11-07 01:48:01,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:48:01,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:01,971 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:48:01,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:01,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:01,985 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:48:01,997 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-07 01:48:01,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 70 [2021-11-07 01:48:01,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:48:02,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:48:02,003 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:02,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:02,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:02,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:02,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:02,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:02,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:48:02,021 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-11-07 01:48:02,022 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:362, output treesize:354 [2021-11-07 01:48:02,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:02,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:02,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:02,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:02,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:02,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,037 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:02,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:48:02,053 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 01:48:02,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-07 01:48:02,054 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:02,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:02,056 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:02,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:02,057 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,057 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,058 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:48:02,058 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:02,058 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 01:48:02,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:02,065 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:02,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:02,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:48:02,113 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 01:48:02,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-07 01:48:02,114 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:02,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:02,116 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:02,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:02,117 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:48:02,118 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:02,118 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 01:48:02,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:02,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:02,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:02,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:02,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:02,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:02,128 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:48:02,906 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:48:02,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:48:02,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 34, 34] total 71 [2021-11-07 01:48:02,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310039149] [2021-11-07 01:48:02,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2021-11-07 01:48:02,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:48:02,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2021-11-07 01:48:02,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2376, Invalid=3786, Unknown=0, NotChecked=0, Total=6162 [2021-11-07 01:48:02,910 INFO L87 Difference]: Start difference. First operand 95 states and 100 transitions. Second operand has 72 states, 72 states have (on average 2.125) internal successors, (153), 71 states have internal predecessors, (153), 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 01:48:12,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:48:12,706 INFO L93 Difference]: Finished difference Result 1718 states and 1785 transitions. [2021-11-07 01:48:12,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2021-11-07 01:48:12,707 INFO L78 Accepts]: Start accepts. Automaton has has 72 states, 72 states have (on average 2.125) internal successors, (153), 71 states have internal predecessors, (153), 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 75 [2021-11-07 01:48:12,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:48:12,716 INFO L225 Difference]: With dead ends: 1718 [2021-11-07 01:48:12,716 INFO L226 Difference]: Without dead ends: 1718 [2021-11-07 01:48:12,731 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10418 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=13757, Invalid=30133, Unknown=0, NotChecked=0, Total=43890 [2021-11-07 01:48:12,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2021-11-07 01:48:12,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 165. [2021-11-07 01:48:12,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 160 states have (on average 1.0625) internal successors, (170), 164 states have internal predecessors, (170), 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 01:48:12,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 170 transitions. [2021-11-07 01:48:12,747 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 170 transitions. Word has length 75 [2021-11-07 01:48:12,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:48:12,747 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 170 transitions. [2021-11-07 01:48:12,748 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 2.125) internal successors, (153), 71 states have internal predecessors, (153), 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 01:48:12,748 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 170 transitions. [2021-11-07 01:48:12,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-07 01:48:12,750 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:48:12,750 INFO L513 BasicCegarLoop]: trace histogram [66, 66, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:48:12,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2021-11-07 01:48:12,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:48:12,978 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:48:12,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:48:12,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1505051781, now seen corresponding path program 1 times [2021-11-07 01:48:12,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:48:12,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996957419] [2021-11-07 01:48:12,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:12,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:48:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 4358 backedges. 0 proven. 131 refuted. 0 times theorem prover too weak. 4227 trivial. 0 not checked. [2021-11-07 01:48:13,131 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:48:13,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996957419] [2021-11-07 01:48:13,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996957419] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:48:13,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134600189] [2021-11-07 01:48:13,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:48:13,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:48:13,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:48:13,134 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:48:13,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-11-07 01:48:13,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:48:13,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 68 conjunts are in the unsatisfiable core [2021-11-07 01:48:13,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:48:16,071 INFO L134 CoverageAnalysis]: Checked inductivity of 4358 backedges. 0 proven. 4356 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:48:16,071 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:48:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 4358 backedges. 0 proven. 4356 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:48:21,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134600189] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:48:21,548 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [290229893] [2021-11-07 01:48:21,550 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-07 01:48:21,550 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:48:21,550 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:48:21,550 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:48:21,551 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:48:21,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,559 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,560 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:48:21,560 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,560 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,561 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:48:21,562 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:48:21,565 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_41|], 10=[|v_#valid_55|]} [2021-11-07 01:48:21,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,580 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 01:48:21,581 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,581 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:21,582 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,582 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:21,582 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:21,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,587 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 01:48:21,604 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,605 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:48:21,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,606 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:48:21,607 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:21,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,611 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:48:21,612 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:21,612 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:137, output treesize:126 [2021-11-07 01:48:21,616 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-07 01:48:21,618 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,619 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,619 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-11-07 01:48:21,620 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:48:21,620 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,620 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,621 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,621 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-07 01:48:21,622 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:21,622 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,622 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-07 01:48:21,626 INFO L185 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size 159 [2021-11-07 01:48:21,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2021-11-07 01:48:21,638 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:48:21,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,639 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-07 01:48:21,639 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:21,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,649 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.1 percent of original size [2021-11-07 01:48:21,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-07 01:48:21,652 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:21,652 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:160, output treesize:154 [2021-11-07 01:48:21,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,705 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.5 percent of original size [2021-11-07 01:48:21,710 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,710 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,711 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,712 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:21,712 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:48:21,713 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,719 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,722 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,723 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:48:21,724 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,725 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:48:21,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 321 [2021-11-07 01:48:21,728 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 302 [2021-11-07 01:48:21,737 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 303 [2021-11-07 01:48:21,740 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,743 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,744 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,745 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,745 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,746 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:21,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:48:21,747 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,748 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,749 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:48:21,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:48:21,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,751 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:48:21,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,753 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,753 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,754 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,754 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:21,755 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:48:21,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,756 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,756 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,757 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-07 01:48:21,758 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:48:21,758 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,759 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-07 01:48:21,763 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 337 [2021-11-07 01:48:21,763 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 310 [2021-11-07 01:48:21,773 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 387 [2021-11-07 01:48:21,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:48:21,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:48:21,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:48:21,800 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:21,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:21,820 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 50 [2021-11-07 01:48:21,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,823 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:48:21,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,824 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-07 01:48:21,824 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:21,825 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,844 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,854 INFO L180 QuantifierPusher]: treesize reduction 88, result has 81.3 percent of original size [2021-11-07 01:48:21,861 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 394 [2021-11-07 01:48:21,863 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:48:21,863 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:478, output treesize:394 [2021-11-07 01:48:21,871 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,907 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,924 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:48:21,927 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,928 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:48:21,929 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:48:21,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:21,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:48:21,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:48:21,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,938 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:48:21,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,939 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:48:21,939 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:21,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,942 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,943 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,944 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:48:21,945 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:21,945 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:48:21,949 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:48:21,951 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:48:21,953 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:48:21,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:21,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:21,955 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:48:21,962 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:48:21,962 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:48:21,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:48:21,963 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:21,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,965 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:21,967 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:48:21,970 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:21,970 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:48:21,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:21,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,046 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,056 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,057 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:48:22,058 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,059 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,060 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-07 01:48:22,061 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 185 [2021-11-07 01:48:22,062 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,064 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,066 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-07 01:48:22,070 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:48:22,080 INFO L180 QuantifierPusher]: treesize reduction 179, result has 40.5 percent of original size [2021-11-07 01:48:22,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:48:22,090 INFO L180 QuantifierPusher]: treesize reduction 22, result has 88.7 percent of original size [2021-11-07 01:48:22,095 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:48:22,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:48:22,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,101 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,101 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:48:22,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:48:22,106 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 166 [2021-11-07 01:48:22,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:22,115 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:48:22,126 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 01:48:22,129 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 49 [2021-11-07 01:48:22,130 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:48:22,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:48:22,134 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:22,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,139 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-07 01:48:22,145 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 01:48:22,145 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:164, output treesize:160 [2021-11-07 01:48:22,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,167 INFO L180 QuantifierPusher]: treesize reduction 195, result has 60.8 percent of original size [2021-11-07 01:48:22,170 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,176 INFO L185 QuantifierPusher]: treesize reduction 7, result has 97.7 percent of original size 292 [2021-11-07 01:48:22,187 INFO L180 QuantifierPusher]: treesize reduction 7, result has 98.1 percent of original size [2021-11-07 01:48:22,192 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,197 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,198 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,199 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 298 [2021-11-07 01:48:22,206 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,211 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:48:22,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:48:22,214 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,215 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,216 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:48:22,218 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,218 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,219 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:48:22,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,263 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:48:22,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,267 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-07 01:48:22,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-07 01:48:22,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:48:22,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-07 01:48:22,274 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,281 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 324 [2021-11-07 01:48:22,286 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2021-11-07 01:48:22,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:22,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:22,305 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:48:22,316 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 01:48:22,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 49 [2021-11-07 01:48:22,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:48:22,319 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,320 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:48:22,322 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:22,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:22,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:22,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:22,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:48:22,336 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:48:22,337 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:48:22,348 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-07 01:48:22,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 99 treesize of output 80 [2021-11-07 01:48:22,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:48:22,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,353 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 95 [2021-11-07 01:48:22,353 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:22,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,370 INFO L180 QuantifierPusher]: treesize reduction 29, result has 92.4 percent of original size [2021-11-07 01:48:22,371 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,371 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:48:22,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 355 [2021-11-07 01:48:22,376 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-11-07 01:48:22,376 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:388, output treesize:351 [2021-11-07 01:48:22,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:22,396 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,398 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,399 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,399 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:22,400 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:48:22,416 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 01:48:22,417 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-07 01:48:22,417 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:22,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:22,418 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:22,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,419 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,420 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:48:22,420 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:22,420 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 01:48:22,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:22,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:48:22,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:48:22,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:48:22,442 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 01:48:22,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-07 01:48:22,442 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,443 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:22,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:48:22,446 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:48:22,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,447 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:48:22,448 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:48:22,448 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 01:48:22,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:48:22,452 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:48:22,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:48:22,456 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:48:23,422 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:48:23,422 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:48:23,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 68, 68] total 138 [2021-11-07 01:48:23,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790850709] [2021-11-07 01:48:23,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2021-11-07 01:48:23,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:48:23,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2021-11-07 01:48:23,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9345, Invalid=12117, Unknown=0, NotChecked=0, Total=21462 [2021-11-07 01:48:23,430 INFO L87 Difference]: Start difference. First operand 165 states and 170 transitions. Second operand has 139 states, 139 states have (on average 2.1007194244604315) internal successors, (292), 138 states have internal predecessors, (292), 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 01:49:15,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:49:15,115 INFO L93 Difference]: Finished difference Result 3352 states and 3487 transitions. [2021-11-07 01:49:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2021-11-07 01:49:15,116 INFO L78 Accepts]: Start accepts. Automaton has has 139 states, 139 states have (on average 2.1007194244604315) internal successors, (292), 138 states have internal predecessors, (292), 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 144 [2021-11-07 01:49:15,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:49:15,133 INFO L225 Difference]: With dead ends: 3352 [2021-11-07 01:49:15,134 INFO L226 Difference]: Without dead ends: 3352 [2021-11-07 01:49:15,152 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 412 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41818 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=54969, Invalid=116013, Unknown=0, NotChecked=0, Total=170982 [2021-11-07 01:49:15,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3352 states. [2021-11-07 01:49:15,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3352 to 302. [2021-11-07 01:49:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 297 states have (on average 1.0336700336700337) internal successors, (307), 301 states have internal predecessors, (307), 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 01:49:15,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 307 transitions. [2021-11-07 01:49:15,178 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 307 transitions. Word has length 144 [2021-11-07 01:49:15,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:49:15,179 INFO L470 AbstractCegarLoop]: Abstraction has 302 states and 307 transitions. [2021-11-07 01:49:15,179 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 2.1007194244604315) internal successors, (292), 138 states have internal predecessors, (292), 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 01:49:15,179 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 307 transitions. [2021-11-07 01:49:15,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-07 01:49:15,182 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:49:15,182 INFO L513 BasicCegarLoop]: trace histogram [134, 134, 3, 3, 3, 2, 1, 1, 1] [2021-11-07 01:49:15,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2021-11-07 01:49:15,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable225,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:49:15,398 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:49:15,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:49:15,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1285687048, now seen corresponding path program 1 times [2021-11-07 01:49:15,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:49:15,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694909892] [2021-11-07 01:49:15,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:15,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:49:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:22,335 INFO L134 CoverageAnalysis]: Checked inductivity of 17968 backedges. 0 proven. 17956 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:49:22,335 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:49:22,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694909892] [2021-11-07 01:49:22,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694909892] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:49:22,336 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116970969] [2021-11-07 01:49:22,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:49:22,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:49:22,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:49:22,337 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:49:22,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-11-07 01:49:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:49:22,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 1437 conjuncts, 136 conjunts are in the unsatisfiable core [2021-11-07 01:49:22,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:49:23,831 INFO L134 CoverageAnalysis]: Checked inductivity of 17968 backedges. 0 proven. 17956 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:49:23,831 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:49:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 17968 backedges. 0 proven. 17956 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:49:42,461 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116970969] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:49:42,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [865259292] [2021-11-07 01:49:42,463 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:49:42,463 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:49:42,463 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:49:42,464 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:49:42,464 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:49:42,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,467 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,467 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:49:42,468 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,468 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,468 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:49:42,469 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:49:42,483 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_42|], 10=[|v_#valid_56|]} [2021-11-07 01:49:42,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,497 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 01:49:42,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:49:42,499 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:49:42,499 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:49:42,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,519 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 01:49:42,519 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,525 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:49:42,526 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:49:42,526 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:49:42,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,531 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,533 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:49:42,535 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:49:42,535 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:137, output treesize:126 [2021-11-07 01:49:42,540 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-07 01:49:42,543 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,543 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,544 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,544 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:49:42,545 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:49:42,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,546 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,547 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:49:42,547 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:49:42,548 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,549 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:49:42,550 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:49:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,566 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:49:42,567 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,568 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:49:42,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,569 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:49:42,569 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:49:42,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,574 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,575 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,578 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:49:42,578 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:49:42,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:173, output treesize:175 [2021-11-07 01:49:42,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,629 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.6 percent of original size [2021-11-07 01:49:42,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,640 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,643 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,644 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:49:42,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,646 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,647 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:49:42,650 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-07 01:49:42,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,653 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,656 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-11-07 01:49:42,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 330 [2021-11-07 01:49:42,663 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,666 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,666 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,668 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:49:42,668 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:49:42,669 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,669 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,670 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,670 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,670 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:49:42,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:49:42,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,673 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,673 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:49:42,674 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,675 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,675 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:49:42,676 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:49:42,676 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,677 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,677 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:49:42,678 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:49:42,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,679 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:49:42,681 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:49:42,681 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,685 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-11-07 01:49:42,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:49:42,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,712 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-07 01:49:42,713 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:49:42,716 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:49:42,717 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:49:42,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:49:42,732 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:49:42,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,733 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:49:42,734 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:49:42,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,757 INFO L180 QuantifierPusher]: treesize reduction 106, result has 78.5 percent of original size [2021-11-07 01:49:42,762 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 01:49:42,762 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:49:42,763 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:499, output treesize:397 [2021-11-07 01:49:42,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,802 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:49:42,804 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,805 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:49:42,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:49:42,806 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,806 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:49:42,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:49:42,813 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:49:42,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:49:42,814 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,815 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:49:42,815 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:49:42,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:49:42,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:49:42,820 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:49:42,825 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:49:42,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,827 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:49:42,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:49:42,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:49:42,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:49:42,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:49:42,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:49:42,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:49:42,840 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:49:42,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,843 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,844 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:49:42,845 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:49:42,845 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:49:42,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,900 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,903 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,903 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,904 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:42,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:49:42,905 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:49:42,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-07 01:49:42,908 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,911 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,913 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-07 01:49:42,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:49:42,923 INFO L180 QuantifierPusher]: treesize reduction 179, result has 40.5 percent of original size [2021-11-07 01:49:42,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:42,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:49:42,928 INFO L180 QuantifierPusher]: treesize reduction 22, result has 88.7 percent of original size [2021-11-07 01:49:42,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,931 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:49:42,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:49:42,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,933 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:42,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:49:42,934 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,934 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:49:42,936 INFO L185 QuantifierPusher]: treesize reduction 6, result has 95.6 percent of original size 131 [2021-11-07 01:49:42,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:42,950 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 01:49:42,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 39 [2021-11-07 01:49:42,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:42,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:42,952 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:49:42,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,954 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,955 INFO L180 QuantifierPusher]: treesize reduction 6, result has 95.5 percent of original size [2021-11-07 01:49:42,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:42,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:49:42,957 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 01:49:42,957 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:135, output treesize:125 [2021-11-07 01:49:42,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:42,987 INFO L180 QuantifierPusher]: treesize reduction 184, result has 60.3 percent of original size [2021-11-07 01:49:42,990 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:42,992 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-07 01:49:42,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:42,998 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:42,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,000 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:43,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:43,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 279 [2021-11-07 01:49:43,005 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,007 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:49:43,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:49:43,009 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,009 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:43,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:49:43,011 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:49:43,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,013 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:43,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:49:43,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:49:43,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:49:43,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:49:43,018 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-11-07 01:49:43,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,019 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:43,025 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:43,027 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-07 01:49:43,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 01:49:43,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:43,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:49:43,052 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 01:49:43,052 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 49 [2021-11-07 01:49:43,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:49:43,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:49:43,063 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:49:43,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:43,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:43,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:43,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:43,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:49:43,076 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:49:43,086 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-07 01:49:43,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 70 [2021-11-07 01:49:43,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:49:43,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:49:43,089 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:49:43,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:43,094 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:43,097 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,097 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:49:43,099 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:49:43,100 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-11-07 01:49:43,100 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:362, output treesize:354 [2021-11-07 01:49:43,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:43,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:43,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:43,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:49:43,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:49:43,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:49:43,125 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 01:49:43,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-07 01:49:43,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:49:43,127 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:49:43,127 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:49:43,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:43,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:49:43,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:49:43,136 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 01:49:43,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:49:43,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:49:43,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:49:43,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:49:43,157 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 01:49:43,157 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-07 01:49:43,158 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:49:43,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:49:43,164 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:49:43,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:43,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:49:43,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:49:43,165 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:49:43,165 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 01:49:43,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:43,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:43,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:43,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:49:43,168 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:49:44,278 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:49:44,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:49:44,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [136, 136, 136] total 272 [2021-11-07 01:49:44,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047760101] [2021-11-07 01:49:44,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 273 states [2021-11-07 01:49:44,280 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:49:44,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 273 interpolants. [2021-11-07 01:49:44,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37139, Invalid=39867, Unknown=0, NotChecked=0, Total=77006 [2021-11-07 01:49:44,290 INFO L87 Difference]: Start difference. First operand 302 states and 307 transitions. Second operand has 273 states, 273 states have (on average 2.0073260073260073) internal successors, (548), 272 states have internal predecessors, (548), 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 01:53:53,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:53:53,464 INFO L93 Difference]: Finished difference Result 5672 states and 5943 transitions. [2021-11-07 01:53:53,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 272 states. [2021-11-07 01:53:53,465 INFO L78 Accepts]: Start accepts. Automaton has has 273 states, 273 states have (on average 2.0073260073260073) internal successors, (548), 272 states have internal predecessors, (548), 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 282 [2021-11-07 01:53:53,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:53:53,484 INFO L225 Difference]: With dead ends: 5672 [2021-11-07 01:53:53,485 INFO L226 Difference]: Without dead ends: 5672 [2021-11-07 01:53:53,488 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 980 GetRequests, 704 SyntacticMatches, 0 SemanticMatches, 276 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2561 ImplicationChecksByTransitivity, 25.1s TimeCoverageRelationStatistics Valid=37139, Invalid=39867, Unknown=0, NotChecked=0, Total=77006 [2021-11-07 01:53:53,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5672 states. [2021-11-07 01:53:53,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5672 to 574. [2021-11-07 01:53:53,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 569 states have (on average 1.0175746924428823) internal successors, (579), 573 states have internal predecessors, (579), 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 01:53:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 579 transitions. [2021-11-07 01:53:53,660 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 579 transitions. Word has length 282 [2021-11-07 01:53:53,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:53:53,660 INFO L470 AbstractCegarLoop]: Abstraction has 574 states and 579 transitions. [2021-11-07 01:53:53,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 273 states, 273 states have (on average 2.0073260073260073) internal successors, (548), 272 states have internal predecessors, (548), 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 01:53:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 579 transitions. [2021-11-07 01:53:53,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2021-11-07 01:53:53,673 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:53:53,674 INFO L513 BasicCegarLoop]: trace histogram [270, 270, 3, 3, 3, 2, 1, 1, 1] [2021-11-07 01:53:53,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2021-11-07 01:53:53,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable264,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:53:53,890 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:53:53,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:53:53,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1146612800, now seen corresponding path program 2 times [2021-11-07 01:53:53,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:53:53,890 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195006192] [2021-11-07 01:53:53,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:53:53,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:53:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:54:19,172 INFO L134 CoverageAnalysis]: Checked inductivity of 72912 backedges. 0 proven. 72900 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-07 01:54:19,173 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:54:19,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195006192] [2021-11-07 01:54:19,173 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195006192] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:54:19,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768265165] [2021-11-07 01:54:19,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 01:54:19,174 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:54:19,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:54:19,194 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:54:19,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-11-07 01:54:19,908 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2021-11-07 01:54:19,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-07 01:54:19,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-07 01:54:19,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:54:19,960 INFO L354 Elim1Store]: treesize reduction 76, result has 30.3 percent of original size [2021-11-07 01:54:19,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 15 treesize of output 38 [2021-11-07 01:54:27,196 INFO L134 CoverageAnalysis]: Checked inductivity of 72912 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 72906 trivial. 0 not checked. [2021-11-07 01:54:27,196 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:54:39,450 INFO L134 CoverageAnalysis]: Checked inductivity of 72912 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 72906 trivial. 0 not checked. [2021-11-07 01:54:39,450 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768265165] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-07 01:54:39,450 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1001964126] [2021-11-07 01:54:39,451 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-07 01:54:39,451 INFO L166 IcfgInterpreter]: Building call graph [2021-11-07 01:54:39,452 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-07 01:54:39,452 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-07 01:54:39,452 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-07 01:54:39,457 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,458 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,458 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-07 01:54:39,459 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,462 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-07 01:54:39,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-07 01:54:39,465 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_44|], 10=[|v_#valid_57|]} [2021-11-07 01:54:39,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,477 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 01:54:39,477 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,479 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:54:39,479 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:54:39,480 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:39,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,482 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,498 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2021-11-07 01:54:39,498 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,499 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:54:39,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:54:39,500 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:39,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,503 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,504 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-07 01:54:39,504 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:54:39,504 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:137, output treesize:126 [2021-11-07 01:54:39,508 INFO L180 QuantifierPusher]: treesize reduction 3, result has 98.3 percent of original size [2021-11-07 01:54:39,510 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,511 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,512 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,512 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:54:39,513 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:54:39,513 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,514 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,515 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,515 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:54:39,516 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:54:39,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,516 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:54:39,519 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:54:39,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:54:39,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,535 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:54:39,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:54:39,536 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:39,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,540 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 175 [2021-11-07 01:54:39,545 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:54:39,545 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:173, output treesize:175 [2021-11-07 01:54:39,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,591 INFO L180 QuantifierPusher]: treesize reduction 6, result has 98.6 percent of original size [2021-11-07 01:54:39,596 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,599 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,602 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,606 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,607 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:54:39,608 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,608 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,609 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:54:39,612 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 348 [2021-11-07 01:54:39,612 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,615 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,618 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-11-07 01:54:39,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 330 [2021-11-07 01:54:39,625 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,628 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,629 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,629 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,630 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,630 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:54:39,631 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:54:39,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,632 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,633 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,633 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-07 01:54:39,634 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-07 01:54:39,634 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,635 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,635 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-07 01:54:39,636 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,636 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,637 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,637 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:54:39,638 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-07 01:54:39,638 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,639 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,639 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,640 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-07 01:54:39,641 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-07 01:54:39,641 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,641 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-07 01:54:39,645 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:54:39,645 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,648 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,651 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-11-07 01:54:39,654 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 411 [2021-11-07 01:54:39,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,680 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 55 [2021-11-07 01:54:39,681 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,682 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:54:39,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,683 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-07 01:54:39,684 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:39,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2021-11-07 01:54:39,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,703 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:54:39,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,706 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-11-07 01:54:39,706 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:39,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,720 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,731 INFO L180 QuantifierPusher]: treesize reduction 106, result has 78.5 percent of original size [2021-11-07 01:54:39,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 397 [2021-11-07 01:54:39,737 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-11-07 01:54:39,737 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:499, output treesize:397 [2021-11-07 01:54:39,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,790 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:54:39,791 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,792 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,792 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,792 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:54:39,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:54:39,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,793 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:54:39,794 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:54:39,800 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:54:39,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:54:39,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,801 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:54:39,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:39,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,803 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,805 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:54:39,805 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:54:39,805 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:54:39,815 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.0 percent of original size [2021-11-07 01:54:39,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,817 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,817 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-07 01:54:39,818 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-07 01:54:39,818 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,818 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:54:39,819 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:54:39,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-11-07 01:54:39,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:54:39,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-07 01:54:39,826 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:39,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,827 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:54:39,829 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:54:39,829 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:82, output treesize:84 [2021-11-07 01:54:39,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,833 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,869 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,873 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:39,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-11-07 01:54:39,875 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,876 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 200 [2021-11-07 01:54:39,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 253 [2021-11-07 01:54:39,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 315 [2021-11-07 01:54:39,883 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 320 [2021-11-07 01:54:39,905 INFO L180 QuantifierPusher]: treesize reduction 179, result has 40.5 percent of original size [2021-11-07 01:54:39,906 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,907 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:39,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-07 01:54:39,912 INFO L180 QuantifierPusher]: treesize reduction 22, result has 88.7 percent of original size [2021-11-07 01:54:39,915 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,916 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-11-07 01:54:39,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-07 01:54:39,918 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,919 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:39,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:54:39,921 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,921 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:54:39,923 INFO L185 QuantifierPusher]: treesize reduction 6, result has 95.6 percent of original size 131 [2021-11-07 01:54:39,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:39,940 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-07 01:54:39,940 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 39 [2021-11-07 01:54:39,941 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:39,942 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:39,942 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:39,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,945 INFO L180 QuantifierPusher]: treesize reduction 6, result has 95.5 percent of original size [2021-11-07 01:54:39,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,946 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:39,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 127 [2021-11-07 01:54:39,949 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-11-07 01:54:39,950 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:135, output treesize:125 [2021-11-07 01:54:39,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:39,974 INFO L180 QuantifierPusher]: treesize reduction 184, result has 60.3 percent of original size [2021-11-07 01:54:39,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,978 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:39,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 275 [2021-11-07 01:54:39,985 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,989 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,991 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,992 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,993 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:39,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:39,994 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:39,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:39,997 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 279 [2021-11-07 01:54:39,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,004 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,005 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,006 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:40,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:54:40,007 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,008 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:54:40,010 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-07 01:54:40,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-07 01:54:40,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,013 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,014 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,014 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-07 01:54:40,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-07 01:54:40,015 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,016 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:40,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-07 01:54:40,018 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-11-07 01:54:40,021 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 329 [2021-11-07 01:54:40,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,023 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:40,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:40,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 305 [2021-11-07 01:54:40,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 349 [2021-11-07 01:54:40,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:40,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:40,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:40,050 INFO L354 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2021-11-07 01:54:40,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 65 treesize of output 49 [2021-11-07 01:54:40,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:54:40,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-11-07 01:54:40,054 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:40,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:40,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:40,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:40,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:40,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-07 01:54:40,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-07 01:54:40,079 INFO L354 Elim1Store]: treesize reduction 30, result has 28.6 percent of original size [2021-11-07 01:54:40,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 84 treesize of output 70 [2021-11-07 01:54:40,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:54:40,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-07 01:54:40,083 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:40,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:40,089 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,092 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,093 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,093 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:40,094 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,095 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,095 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-07 01:54:40,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 358 [2021-11-07 01:54:40,098 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-11-07 01:54:40,099 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:362, output treesize:354 [2021-11-07 01:54:40,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:40,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:40,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:40,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:54:40,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,121 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:54:40,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:54:40,141 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 01:54:40,141 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-07 01:54:40,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,142 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:54:40,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:54:40,143 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:40,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:40,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:54:40,146 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:54:40,146 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 01:54:40,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-07 01:54:40,151 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,152 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-07 01:54:40,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-07 01:54:40,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-07 01:54:40,170 INFO L354 Elim1Store]: treesize reduction 50, result has 19.4 percent of original size [2021-11-07 01:54:40,170 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 25 [2021-11-07 01:54:40,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:54:40,171 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-07 01:54:40,172 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-07 01:54:40,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:40,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:54:40,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-07 01:54:40,173 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-11-07 01:54:40,173 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:68, output treesize:64 [2021-11-07 01:54:40,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:40,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:40,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:40,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 01:54:40,176 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-07 01:54:42,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-07 01:54:42,047 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-11-07 01:54:42,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [272, 2, 2] total 276 [2021-11-07 01:54:42,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756370867] [2021-11-07 01:54:42,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 277 states [2021-11-07 01:54:42,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 01:54:42,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 277 interpolants. [2021-11-07 01:54:42,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37149, Invalid=42093, Unknown=0, NotChecked=0, Total=79242 [2021-11-07 01:54:42,065 INFO L87 Difference]: Start difference. First operand 574 states and 579 transitions. Second operand has 277 states, 277 states have (on average 2.0613718411552346) internal successors, (571), 276 states have internal predecessors, (571), 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 01:59:04,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:59:04,355 INFO L93 Difference]: Finished difference Result 5160 states and 5432 transitions. [2021-11-07 01:59:04,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 275 states. [2021-11-07 01:59:04,356 INFO L78 Accepts]: Start accepts. Automaton has has 277 states, 277 states have (on average 2.0613718411552346) internal successors, (571), 276 states have internal predecessors, (571), 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 554 [2021-11-07 01:59:04,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:59:04,372 INFO L225 Difference]: With dead ends: 5160 [2021-11-07 01:59:04,372 INFO L226 Difference]: Without dead ends: 5160 [2021-11-07 01:59:04,385 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2204 GetRequests, 1652 SyntacticMatches, 0 SemanticMatches, 552 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39297 ImplicationChecksByTransitivity, 76.3s TimeCoverageRelationStatistics Valid=112493, Invalid=193869, Unknown=0, NotChecked=0, Total=306362 [2021-11-07 01:59:04,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5160 states. [2021-11-07 01:59:04,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5160 to 1649. [2021-11-07 01:59:04,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1645 states have (on average 1.1677811550151975) internal successors, (1921), 1648 states have internal predecessors, (1921), 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 01:59:04,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 1921 transitions. [2021-11-07 01:59:04,421 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 1921 transitions. Word has length 554 [2021-11-07 01:59:04,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:59:04,422 INFO L470 AbstractCegarLoop]: Abstraction has 1649 states and 1921 transitions. [2021-11-07 01:59:04,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 277 states, 277 states have (on average 2.0613718411552346) internal successors, (571), 276 states have internal predecessors, (571), 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 01:59:04,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 1921 transitions. [2021-11-07 01:59:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2021-11-07 01:59:04,437 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:59:04,437 INFO L513 BasicCegarLoop]: trace histogram [272, 272, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 01:59:04,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-11-07 01:59:04,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable302 [2021-11-07 01:59:04,666 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 10 more)] === [2021-11-07 01:59:04,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:59:04,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1114062600, now seen corresponding path program 1 times [2021-11-07 01:59:04,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:59:04,666 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119135930] [2021-11-07 01:59:04,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:04,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:59:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 73986 backedges. 0 proven. 73984 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:59:30,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 01:59:30,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119135930] [2021-11-07 01:59:30,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119135930] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 01:59:30,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [547053985] [2021-11-07 01:59:30,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:59:30,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:59:30,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:59:30,022 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:59:30,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2d754286-415b-4ef0-92dd-33f0d0831edd/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2021-11-07 01:59:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:59:32,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 2813 conjuncts, 274 conjunts are in the unsatisfiable core [2021-11-07 01:59:32,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:59:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 73986 backedges. 0 proven. 73984 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-07 01:59:33,910 INFO L328 TraceCheckSpWp]: Computing backward predicates...